401k Plan data: CORE & MAIN 401(K) RETIREMENT PLAN plan

CORE & MAIN 401(K) RETIREMENT PLAN 401k Plan overview

Plan Name	CORE & MAIN 401(K) RETIREMENT PLAN
Plan identification number	001

CORE & MAIN 401(K) RETIREMENT PLAN Benefits

401k Plan Type

Defined Contribution Pension

Plan Features/Benefits

Profit-sharing
ERISA section 404(c) Plan - This plan, or any part of it is intended to meet the conditions of 29 CFR 2550.404c-1.
Total participant-directed account plan - Participants have the opportunity to direct the investment of all the assets allocated to their individual accounts, regardless of whether 29 CFR 2550.404c-1 is intended to be met.
Code section 401(k) feature - A cash or deferred arrangement described in Code section 401(k) that is part of a qualified defined contribution plan that provides for an election by employees to defer part of their compensation or receive these amounts in cash.
Code section 401(m) arrangement - Employee contributions are allocated to separate accounts under the plan or employer contributions are based, in whole or in part, on employee deferrals or contribtions to the plan. Not applicable if plan is 401(k) plan with only QNECs and/or QMACs. Also not applicable if Code section 403(b)(1), 403(b)(7) or 408 arrangements/accounts/annuities.
Participant-directed brokerage accounts provided as an investment option under the plan.
Plan provides for automatic enrollment in plan that has employee contributions deducted from payroll.
Total or partial participant-directed account plan - plan uses default investment account for participants who fail to direct assets in their account.
Plan covering Self-Employed individuals.
Master plan - A pension plan that is made available by a sponsor for adoption by employers; that is the subject of a favorable opinion letter; and for which a single funding medium (for example, a trust or custodial account) is established for the joint use of all adopting employers.

401k Sponsoring company profile

CORE & MAIN has sponsored the creation of one or more 401k plans.

Company Name: CORE & MAIN

Employer identification number (EIN): 030550887

NAIC Classification: 236110

Form 5500 Filing Information

Submission information for form 5500 for 401k plan CORE & MAIN 401(K) RETIREMENT PLAN

Plan id# Filing Submission Date Name of Administrator Date Administrator Signed Name of Company Sponsor Date Sponsor Signed
001 2022-01-01
001 2021-01-01
001 2020-01-01 LAURA SCHNEIDER 2020-12-04
001 2020-01-01
001 2019-01-01
001 2018-01-01
001 2017-08-01 DAVID MUECK

Plan Statistics for CORE & MAIN 401(K) RETIREMENT PLAN

401k plan membership statisitcs for CORE & MAIN 401(K) RETIREMENT PLAN

Measure Date Value
2022: CORE & MAIN 401(K) RETIREMENT PLAN 2022 401k membership
Total participants, beginning-of-year 2022-01-01 4,318
Total number of active participants reported on line 7a of the Form 5500 2022-01-01 4,115
Number of retired or separated participants receiving benefits 2022-01-01 7
Number of other retired or separated participants entitled to future benefits 2022-01-01 493
Total of all active and inactive participants 2022-01-01 4,615
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2022-01-01 5
Total participants 2022-01-01 4,620
Number of participants with account balances 2022-01-01 4,584
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2022-01-01 421
2021: CORE & MAIN 401(K) RETIREMENT PLAN 2021 401k membership
Total participants, beginning-of-year 2021-01-01 3,982
Total number of active participants reported on line 7a of the Form 5500 2021-01-01 3,891
Number of retired or separated participants receiving benefits 2021-01-01 6
Number of other retired or separated participants entitled to future benefits 2021-01-01 416
Total of all active and inactive participants 2021-01-01 4,313
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2021-01-01 5
Total participants 2021-01-01 4,318
Number of participants with account balances 2021-01-01 4,086
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2021-01-01 254
2020: CORE & MAIN 401(K) RETIREMENT PLAN 2020 401k membership
Total participants, beginning-of-year 2020-01-01 3,716
Total number of active participants reported on line 7a of the Form 5500 2020-01-01 3,695
Number of retired or separated participants receiving benefits 2020-01-01 4
Number of other retired or separated participants entitled to future benefits 2020-01-01 280
Total of all active and inactive participants 2020-01-01 3,979
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2020-01-01 3
Total participants 2020-01-01 3,982
Number of participants with account balances 2020-01-01 3,592
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2020-01-01 227
2019: CORE & MAIN 401(K) RETIREMENT PLAN 2019 401k membership
Total participants, beginning-of-year 2019-01-01 3,215
Total number of active participants reported on line 7a of the Form 5500 2019-01-01 3,494
Number of retired or separated participants receiving benefits 2019-01-01 4
Number of other retired or separated participants entitled to future benefits 2019-01-01 215
Total of all active and inactive participants 2019-01-01 3,713
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2019-01-01 3
Total participants 2019-01-01 3,716
Number of participants with account balances 2019-01-01 3,454
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2019-01-01 195
2018: CORE & MAIN 401(K) RETIREMENT PLAN 2018 401k membership
Total participants, beginning-of-year 2018-01-01 2,963
Total number of active participants reported on line 7a of the Form 5500 2018-01-01 3,031
Number of retired or separated participants receiving benefits 2018-01-01 2
Number of other retired or separated participants entitled to future benefits 2018-01-01 182
Total of all active and inactive participants 2018-01-01 3,215
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2018-01-01 0
Total participants 2018-01-01 3,215
Number of participants with account balances 2018-01-01 3,079
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2018-01-01 118
2017: CORE & MAIN 401(K) RETIREMENT PLAN 2017 401k membership
Total participants, beginning-of-year 2017-08-01 3,027
Total number of active participants reported on line 7a of the Form 5500 2017-08-01 2,863
Number of retired or separated participants receiving benefits 2017-08-01 1
Number of other retired or separated participants entitled to future benefits 2017-08-01 99
Total of all active and inactive participants 2017-08-01 2,963
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits 2017-08-01 0
Total participants 2017-08-01 2,963
Number of participants with account balances 2017-08-01 2,851
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested 2017-08-01 50

Measure	Date	Value
2022: CORE & MAIN 401(K) RETIREMENT PLAN 2022 401k membership
Total participants, beginning-of-year	2022-01-01	4,318
Total number of active participants reported on line 7a of the Form 5500	2022-01-01	4,115
Number of retired or separated participants receiving benefits	2022-01-01	7
Number of other retired or separated participants entitled to future benefits	2022-01-01	493
Total of all active and inactive participants	2022-01-01	4,615
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2022-01-01	5
Total participants	2022-01-01	4,620
Number of participants with account balances	2022-01-01	4,584
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2022-01-01	421
2021: CORE & MAIN 401(K) RETIREMENT PLAN 2021 401k membership
Total participants, beginning-of-year	2021-01-01	3,982
Total number of active participants reported on line 7a of the Form 5500	2021-01-01	3,891
Number of retired or separated participants receiving benefits	2021-01-01	6
Number of other retired or separated participants entitled to future benefits	2021-01-01	416
Total of all active and inactive participants	2021-01-01	4,313
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2021-01-01	5
Total participants	2021-01-01	4,318
Number of participants with account balances	2021-01-01	4,086
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2021-01-01	254
2020: CORE & MAIN 401(K) RETIREMENT PLAN 2020 401k membership
Total participants, beginning-of-year	2020-01-01	3,716
Total number of active participants reported on line 7a of the Form 5500	2020-01-01	3,695
Number of retired or separated participants receiving benefits	2020-01-01	4
Number of other retired or separated participants entitled to future benefits	2020-01-01	280
Total of all active and inactive participants	2020-01-01	3,979
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2020-01-01	3
Total participants	2020-01-01	3,982
Number of participants with account balances	2020-01-01	3,592
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2020-01-01	227
2019: CORE & MAIN 401(K) RETIREMENT PLAN 2019 401k membership
Total participants, beginning-of-year	2019-01-01	3,215
Total number of active participants reported on line 7a of the Form 5500	2019-01-01	3,494
Number of retired or separated participants receiving benefits	2019-01-01	4
Number of other retired or separated participants entitled to future benefits	2019-01-01	215
Total of all active and inactive participants	2019-01-01	3,713
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2019-01-01	3
Total participants	2019-01-01	3,716
Number of participants with account balances	2019-01-01	3,454
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2019-01-01	195
2018: CORE & MAIN 401(K) RETIREMENT PLAN 2018 401k membership
Total participants, beginning-of-year	2018-01-01	2,963
Total number of active participants reported on line 7a of the Form 5500	2018-01-01	3,031
Number of retired or separated participants receiving benefits	2018-01-01	2
Number of other retired or separated participants entitled to future benefits	2018-01-01	182
Total of all active and inactive participants	2018-01-01	3,215
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2018-01-01	0
Total participants	2018-01-01	3,215
Number of participants with account balances	2018-01-01	3,079
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2018-01-01	118
2017: CORE & MAIN 401(K) RETIREMENT PLAN 2017 401k membership
Total participants, beginning-of-year	2017-08-01	3,027
Total number of active participants reported on line 7a of the Form 5500	2017-08-01	2,863
Number of retired or separated participants receiving benefits	2017-08-01	1
Number of other retired or separated participants entitled to future benefits	2017-08-01	99
Total of all active and inactive participants	2017-08-01	2,963
Number of deceased participants whose beneficiaries are receiving or are entitled to receive benefits	2017-08-01	0
Total participants	2017-08-01	2,963
Number of participants with account balances	2017-08-01	2,851
Participants that terminated employment during the plan year with accrued benefits that were less than 100% vested	2017-08-01	50

Financial Data on CORE & MAIN 401(K) RETIREMENT PLAN

Measure	Date	Value
2022 : CORE & MAIN 401(K) RETIREMENT PLAN 2022 401k financial data
Unrealized appreciation/depreciation of real estate assets	2022-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2022-12-31	$-229,726
Total unrealized appreciation/depreciation of assets	2022-12-31	$-229,726
Total transfer of assets to this plan	2022-12-31	$0
Total transfer of assets from this plan	2022-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$1,406
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2022-12-31	$0
Expenses. Interest paid	2022-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2022-12-31	$0
Total income from all sources (including contributions)	2022-12-31	$-10,322,847
Total loss/gain on sale of assets	2022-12-31	$-281,963
Total of all expenses incurred	2022-12-31	$22,180,488
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2022-12-31	$21,454,288
Expenses. Certain deemed distributions of participant loans	2022-12-31	$12,037
Value of total corrective distributions	2022-12-31	$10,506
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2022-12-31	$48,668,994
Value of total assets at end of year	2022-12-31	$321,001,288
Value of total assets at beginning of year	2022-12-31	$353,503,217
Total of administrative expenses incurred including professional, contract, advisory and management fees	2022-12-31	$703,657
Total income from rents	2022-12-31	$0
Total interest from all sources	2022-12-31	$512,390
Total dividends received (eg from common stock, registered investment company shares)	2022-12-31	$8,402,932
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2022-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2022-12-31	$8,394,709
Assets. Real estate other than employer real property at end of year	2022-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2022-12-31	$0
Administrative expenses professional fees incurred	2022-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2022-12-31	$33,892
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2022-12-31	$516
Was this plan covered by a fidelity bond	2022-12-31	Yes
Value of fidelity bond cover	2022-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2022-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2022-12-31	No
Contributions received from participants	2022-12-31	$28,998,029
Participant contributions at end of year	2022-12-31	$5,424,929
Participant contributions at beginning of year	2022-12-31	$5,202,584
Participant contributions at end of year	2022-12-31	$0
Participant contributions at beginning of year	2022-12-31	$520,815
Assets. Other investments not covered elsewhere at end of year	2022-12-31	$39,412
Assets. Other investments not covered elsewhere at beginning of year	2022-12-31	$30,303
Income. Received or receivable in cash from other sources (including rollovers)	2022-12-31	$10,453,484
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2022-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2022-12-31	$0
Assets. Loans (other than to participants) at end of year	2022-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2022-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2022-12-31	$1,402
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2022-12-31	$0
Other income not declared elsewhere	2022-12-31	$0
Administrative expenses (other) incurred	2022-12-31	$366,714
Liabilities. Value of operating payables at end of year	2022-12-31	$4
Liabilities. Value of operating payables at beginning of year	2022-12-31	$0
Total non interest bearing cash at end of year	2022-12-31	$0
Total non interest bearing cash at beginning of year	2022-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Income. Non cash contributions	2022-12-31	$0
Value of net income/loss	2022-12-31	$-32,503,335
Value of net assets at end of year (total assets less liabilities)	2022-12-31	$320,999,882
Value of net assets at beginning of year (total assets less liabilities)	2022-12-31	$353,503,217
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2022-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2022-12-31	No
Were any leases to which the plan was party in default or uncollectible	2022-12-31	No
Assets. partnership/joint venture interests at end of year	2022-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2022-12-31	$0
Investment advisory and management fees	2022-12-31	$336,943
Value of interest in registered invesment companies (eg mutual funds) at end of year	2022-12-31	$169,416,976
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2022-12-31	$330,087,878
Value of interest in pooled separate accounts at end of year	2022-12-31	$6,620,109
Value of interest in pooled separate accounts at beginning of year	2022-12-31	$0
Interest on participant loans	2022-12-31	$290,357
Income. Interest from loans (other than to participants)	2022-12-31	$0
Interest earned on other investments	2022-12-31	$0
Income. Interest from US Government securities	2022-12-31	$0
Income. Interest from corporate debt instruments	2022-12-31	$0
Value of interest in master investment trust accounts at end of year	2022-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2022-12-31	$0
Value of interest in common/collective trusts at end of year	2022-12-31	$122,766,431
Value of interest in common/collective trusts at beginning of year	2022-12-31	$4,338,493
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2022-12-31	$15,877,742
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2022-12-31	$11,195,872
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2022-12-31	$11,195,872
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2022-12-31	$222,033
Assets. Value of investments in 103.12 investment entities at end of year	2022-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2022-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2022-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2022-12-31	$0
Asset value of US Government securities at end of year	2022-12-31	$0
Asset value of US Government securities at beginning of year	2022-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2022-12-31	$-68,150,845
Net investment gain/loss from pooled separate accounts	2022-12-31	$68,622
Net investment gain or loss from common/collective trusts	2022-12-31	$686,749
Net gain/loss from 103.12 investment entities	2022-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2022-12-31	No
Was there a failure to transmit to the plan any participant contributions	2022-12-31	No
Has the plan failed to provide any benefit when due under the plan	2022-12-31	No
Assets. Invements in employer securities at end of year	2022-12-31	$0
Assets. Invements in employer securities at beginning of year	2022-12-31	$0
Assets. Value of employer real property at end of year	2022-12-31	$0
Assets. Value of employer real property at beginning of year	2022-12-31	$0
Contributions received in cash from employer	2022-12-31	$9,217,481
Employer contributions (assets) at end of year	2022-12-31	$0
Employer contributions (assets) at beginning of year	2022-12-31	$897,419
Income. Dividends from preferred stock	2022-12-31	$284
Income. Dividends from common stock	2022-12-31	$7,939
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2022-12-31	$21,454,288
Asset. Corporate debt instrument preferred debt at end of year	2022-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2022-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2022-12-31	$0
Contract administrator fees	2022-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2022-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2022-12-31	$821,797
Assets. Corporate common stocks other than exployer securities at beginning of year	2022-12-31	$1,229,337
Liabilities. Value of benefit claims payable at end of year	2022-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2022-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2022-12-31	$0
Did the plan have assets held for investment	2022-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2022-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2022-12-31	No
Aggregate proceeds on sale of assets	2022-12-31	$1,662,909
Aggregate carrying amount (costs) on sale of assets	2022-12-31	$1,944,872
Liabilities. Value of acquisition indebtedness at end of year	2022-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2022-12-31	$0
Opinion of an independent qualified public accountant for this plan	2022-12-31	Unqualified
Accountancy firm name	2022-12-31	RUBINBROWN, LLP
Accountancy firm EIN	2022-12-31	430765316
2021 : CORE & MAIN 401(K) RETIREMENT PLAN 2021 401k financial data
Unrealized appreciation/depreciation of real estate assets	2021-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2021-12-31	$-120,318
Total unrealized appreciation/depreciation of assets	2021-12-31	$-120,318
Total transfer of assets to this plan	2021-12-31	$0
Total transfer of assets from this plan	2021-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2021-12-31	$0
Expenses. Interest paid	2021-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2021-12-31	$0
Total income from all sources (including contributions)	2021-12-31	$76,570,233
Total loss/gain on sale of assets	2021-12-31	$79,364
Total of all expenses incurred	2021-12-31	$19,621,623
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2021-12-31	$18,890,423
Expenses. Certain deemed distributions of participant loans	2021-12-31	$36,578
Value of total corrective distributions	2021-12-31	$5,846
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2021-12-31	$34,945,431
Value of total assets at end of year	2021-12-31	$353,503,217
Value of total assets at beginning of year	2021-12-31	$296,554,607
Total of administrative expenses incurred including professional, contract, advisory and management fees	2021-12-31	$688,776
Total income from rents	2021-12-31	$0
Total interest from all sources	2021-12-31	$317,774
Total dividends received (eg from common stock, registered investment company shares)	2021-12-31	$13,474,505
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2021-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2021-12-31	$13,464,072
Assets. Real estate other than employer real property at end of year	2021-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2021-12-31	$0
Administrative expenses professional fees incurred	2021-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2021-12-31	$516
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2021-12-31	$0
Was this plan covered by a fidelity bond	2021-12-31	Yes
Value of fidelity bond cover	2021-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2021-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2021-12-31	No
Contributions received from participants	2021-12-31	$24,444,559
Participant contributions at end of year	2021-12-31	$5,202,584
Participant contributions at beginning of year	2021-12-31	$5,083,753
Participant contributions at end of year	2021-12-31	$520,815
Participant contributions at beginning of year	2021-12-31	$477,992
Assets. Other investments not covered elsewhere at end of year	2021-12-31	$30,303
Assets. Other investments not covered elsewhere at beginning of year	2021-12-31	$31,155
Income. Received or receivable in cash from other sources (including rollovers)	2021-12-31	$1,862,120
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2021-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2021-12-31	$0
Assets. Loans (other than to participants) at end of year	2021-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2021-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2021-12-31	$0
Other income not declared elsewhere	2021-12-31	$0
Administrative expenses (other) incurred	2021-12-31	$344,481
Liabilities. Value of operating payables at end of year	2021-12-31	$0
Liabilities. Value of operating payables at beginning of year	2021-12-31	$0
Total non interest bearing cash at end of year	2021-12-31	$0
Total non interest bearing cash at beginning of year	2021-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Income. Non cash contributions	2021-12-31	$0
Value of net income/loss	2021-12-31	$56,948,610
Value of net assets at end of year (total assets less liabilities)	2021-12-31	$353,503,217
Value of net assets at beginning of year (total assets less liabilities)	2021-12-31	$296,554,607
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2021-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2021-12-31	No
Were any leases to which the plan was party in default or uncollectible	2021-12-31	No
Assets. partnership/joint venture interests at end of year	2021-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2021-12-31	$0
Investment advisory and management fees	2021-12-31	$344,295
Value of interest in registered invesment companies (eg mutual funds) at end of year	2021-12-31	$330,087,878
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2021-12-31	$273,611,303
Value of interest in pooled separate accounts at end of year	2021-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2021-12-31	$0
Interest on participant loans	2021-12-31	$316,321
Income. Interest from loans (other than to participants)	2021-12-31	$0
Interest earned on other investments	2021-12-31	$0
Income. Interest from US Government securities	2021-12-31	$0
Income. Interest from corporate debt instruments	2021-12-31	$0
Value of interest in master investment trust accounts at end of year	2021-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2021-12-31	$0
Value of interest in common/collective trusts at end of year	2021-12-31	$4,338,493
Value of interest in common/collective trusts at beginning of year	2021-12-31	$3,880,100
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2021-12-31	$11,195,872
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2021-12-31	$11,503,904
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2021-12-31	$11,503,904
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2021-12-31	$1,453
Assets. Value of investments in 103.12 investment entities at end of year	2021-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2021-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2021-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2021-12-31	$0
Asset value of US Government securities at end of year	2021-12-31	$0
Asset value of US Government securities at beginning of year	2021-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2021-12-31	$27,801,636
Net investment gain/loss from pooled separate accounts	2021-12-31	$0
Net investment gain or loss from common/collective trusts	2021-12-31	$71,841
Net gain/loss from 103.12 investment entities	2021-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2021-12-31	No
Was there a failure to transmit to the plan any participant contributions	2021-12-31	No
Has the plan failed to provide any benefit when due under the plan	2021-12-31	No
Assets. Invements in employer securities at end of year	2021-12-31	$0
Assets. Invements in employer securities at beginning of year	2021-12-31	$0
Assets. Value of employer real property at end of year	2021-12-31	$0
Assets. Value of employer real property at beginning of year	2021-12-31	$0
Contributions received in cash from employer	2021-12-31	$8,638,752
Employer contributions (assets) at end of year	2021-12-31	$897,419
Employer contributions (assets) at beginning of year	2021-12-31	$852,946
Income. Dividends from preferred stock	2021-12-31	$40
Income. Dividends from common stock	2021-12-31	$10,393
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2021-12-31	$18,890,423
Asset. Corporate debt instrument preferred debt at end of year	2021-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2021-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2021-12-31	$0
Contract administrator fees	2021-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2021-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2021-12-31	$1,229,337
Assets. Corporate common stocks other than exployer securities at beginning of year	2021-12-31	$1,113,454
Liabilities. Value of benefit claims payable at end of year	2021-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2021-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2021-12-31	$0
Did the plan have assets held for investment	2021-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2021-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2021-12-31	No
Aggregate proceeds on sale of assets	2021-12-31	$2,093,814
Aggregate carrying amount (costs) on sale of assets	2021-12-31	$2,014,450
Liabilities. Value of acquisition indebtedness at end of year	2021-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2021-12-31	$0
Opinion of an independent qualified public accountant for this plan	2021-12-31	Unqualified
Accountancy firm name	2021-12-31	BDO USA, LLP
Accountancy firm EIN	2021-12-31	135381590
2020 : CORE & MAIN 401(K) RETIREMENT PLAN 2020 401k financial data
Unrealized appreciation/depreciation of real estate assets	2020-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2020-12-31	$229,185
Total unrealized appreciation/depreciation of assets	2020-12-31	$229,185
Total transfer of assets to this plan	2020-12-31	$0
Total transfer of assets from this plan	2020-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2020-12-31	$0
Expenses. Interest paid	2020-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2020-12-31	$0
Total income from all sources (including contributions)	2020-12-31	$71,868,744
Total loss/gain on sale of assets	2020-12-31	$101,060
Total of all expenses incurred	2020-12-31	$19,587,976
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2020-12-31	$18,944,010
Expenses. Certain deemed distributions of participant loans	2020-12-31	$15,114
Value of total corrective distributions	2020-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2020-12-31	$35,292,335
Value of total assets at end of year	2020-12-31	$296,554,607
Value of total assets at beginning of year	2020-12-31	$244,273,839
Total of administrative expenses incurred including professional, contract, advisory and management fees	2020-12-31	$628,852
Total income from rents	2020-12-31	$0
Total interest from all sources	2020-12-31	$378,031
Total dividends received (eg from common stock, registered investment company shares)	2020-12-31	$8,731,928
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2020-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2020-12-31	$8,726,486
Assets. Real estate other than employer real property at end of year	2020-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2020-12-31	$0
Administrative expenses professional fees incurred	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2020-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2020-12-31	$3,013
Was this plan covered by a fidelity bond	2020-12-31	Yes
Value of fidelity bond cover	2020-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2020-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2020-12-31	No
Contributions received from participants	2020-12-31	$18,896,427
Participant contributions at end of year	2020-12-31	$5,083,753
Participant contributions at beginning of year	2020-12-31	$5,165,021
Participant contributions at end of year	2020-12-31	$477,992
Participant contributions at beginning of year	2020-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2020-12-31	$31,155
Assets. Other investments not covered elsewhere at beginning of year	2020-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2020-12-31	$9,325,854
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2020-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2020-12-31	$0
Assets. Loans (other than to participants) at end of year	2020-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2020-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2020-12-31	$0
Other income not declared elsewhere	2020-12-31	$0
Administrative expenses (other) incurred	2020-12-31	$344,363
Liabilities. Value of operating payables at end of year	2020-12-31	$0
Liabilities. Value of operating payables at beginning of year	2020-12-31	$0
Total non interest bearing cash at end of year	2020-12-31	$0
Total non interest bearing cash at beginning of year	2020-12-31	$4,700
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Income. Non cash contributions	2020-12-31	$0
Value of net income/loss	2020-12-31	$52,280,768
Value of net assets at end of year (total assets less liabilities)	2020-12-31	$296,554,607
Value of net assets at beginning of year (total assets less liabilities)	2020-12-31	$244,273,839
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2020-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2020-12-31	No
Were any leases to which the plan was party in default or uncollectible	2020-12-31	No
Assets. partnership/joint venture interests at end of year	2020-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2020-12-31	$0
Investment advisory and management fees	2020-12-31	$284,489
Value of interest in registered invesment companies (eg mutual funds) at end of year	2020-12-31	$273,611,303
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2020-12-31	$226,829,319
Value of interest in pooled separate accounts at end of year	2020-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2020-12-31	$0
Interest on participant loans	2020-12-31	$333,361
Income. Interest from loans (other than to participants)	2020-12-31	$0
Interest earned on other investments	2020-12-31	$0
Income. Interest from US Government securities	2020-12-31	$0
Income. Interest from corporate debt instruments	2020-12-31	$0
Value of interest in master investment trust accounts at end of year	2020-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2020-12-31	$0
Value of interest in common/collective trusts at end of year	2020-12-31	$3,880,100
Value of interest in common/collective trusts at beginning of year	2020-12-31	$2,704,177
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2020-12-31	$11,503,904
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2020-12-31	$8,920,923
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2020-12-31	$8,920,923
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2020-12-31	$44,670
Assets. Value of investments in 103.12 investment entities at end of year	2020-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at end of year	2020-12-31	$0
Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year	2020-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2020-12-31	$0
Asset value of US Government securities at end of year	2020-12-31	$0
Asset value of US Government securities at beginning of year	2020-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2020-12-31	$27,069,493
Net investment gain/loss from pooled separate accounts	2020-12-31	$0
Net investment gain or loss from common/collective trusts	2020-12-31	$66,712
Net gain/loss from 103.12 investment entities	2020-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2020-12-31	No
Was there a failure to transmit to the plan any participant contributions	2020-12-31	No
Has the plan failed to provide any benefit when due under the plan	2020-12-31	No
Assets. Invements in employer securities at end of year	2020-12-31	$0
Assets. Invements in employer securities at beginning of year	2020-12-31	$0
Assets. Value of employer real property at end of year	2020-12-31	$0
Assets. Value of employer real property at beginning of year	2020-12-31	$0
Contributions received in cash from employer	2020-12-31	$7,070,054
Employer contributions (assets) at end of year	2020-12-31	$852,946
Employer contributions (assets) at beginning of year	2020-12-31	$418,346
Income. Dividends from preferred stock	2020-12-31	$61
Income. Dividends from common stock	2020-12-31	$5,381
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2020-12-31	$18,944,010
Asset. Corporate debt instrument preferred debt at end of year	2020-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2020-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2020-12-31	$0
Contract administrator fees	2020-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2020-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2020-12-31	$1,113,454
Assets. Corporate common stocks other than exployer securities at beginning of year	2020-12-31	$228,340
Liabilities. Value of benefit claims payable at end of year	2020-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2020-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2020-12-31	$0
Did the plan have assets held for investment	2020-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2020-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2020-12-31	No
Aggregate proceeds on sale of assets	2020-12-31	$1,576,150
Aggregate carrying amount (costs) on sale of assets	2020-12-31	$1,475,090
Liabilities. Value of acquisition indebtedness at end of year	2020-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2020-12-31	$0
Opinion of an independent qualified public accountant for this plan	2020-12-31	Unqualified
Accountancy firm name	2020-12-31	BDO USA, LLP
Accountancy firm EIN	2020-12-31	135381590
2019 : CORE & MAIN 401(K) RETIREMENT PLAN 2019 401k financial data
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of real estate assets	2019-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$13,388
Unrealized appreciation/depreciation of other (non real estate) assets	2019-12-31	$13,388
Total unrealized appreciation/depreciation of assets	2019-12-31	$13,388
Total unrealized appreciation/depreciation of assets	2019-12-31	$13,388
Total transfer of assets to this plan	2019-12-31	$0
Total transfer of assets to this plan	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Expenses. Interest paid	2019-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2019-12-31	$0
Total income from all sources (including contributions)	2019-12-31	$70,410,274
Total income from all sources (including contributions)	2019-12-31	$70,410,274
Total loss/gain on sale of assets	2019-12-31	$-9,007
Total loss/gain on sale of assets	2019-12-31	$-9,007
Total of all expenses incurred	2019-12-31	$11,716,062
Total of all expenses incurred	2019-12-31	$11,716,062
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$11,154,312
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2019-12-31	$11,154,312
Expenses. Certain deemed distributions of participant loans	2019-12-31	$9,508
Expenses. Certain deemed distributions of participant loans	2019-12-31	$9,508
Value of total corrective distributions	2019-12-31	$5,647
Value of total corrective distributions	2019-12-31	$5,647
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$29,116,266
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2019-12-31	$29,116,266
Value of total assets at end of year	2019-12-31	$244,273,839
Value of total assets at end of year	2019-12-31	$244,273,839
Value of total assets at beginning of year	2019-12-31	$185,579,627
Value of total assets at beginning of year	2019-12-31	$185,579,627
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$546,595
Total of administrative expenses incurred including professional, contract, advisory and management fees	2019-12-31	$546,595
Total income from rents	2019-12-31	$0
Total income from rents	2019-12-31	$0
Total interest from all sources	2019-12-31	$483,281
Total interest from all sources	2019-12-31	$483,281
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$8,692,082
Total dividends received (eg from common stock, registered investment company shares)	2019-12-31	$8,692,082
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2019-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2019-12-31	$8,691,969
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at end of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Administrative expenses professional fees incurred	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$3,013
Assets. Corporate prefeered stocks other than exployer securities at end of year	2019-12-31	$3,013
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2019-12-31	$0
Was this plan covered by a fidelity bond	2019-12-31	Yes
Was this plan covered by a fidelity bond	2019-12-31	Yes
Value of fidelity bond cover	2019-12-31	$5,000,000
Value of fidelity bond cover	2019-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2019-12-31	No
If this is an individual account plan, was there a blackout period	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2019-12-31	No
Contributions received from participants	2019-12-31	$17,938,623
Contributions received from participants	2019-12-31	$17,938,623
Participant contributions at end of year	2019-12-31	$5,165,021
Participant contributions at end of year	2019-12-31	$5,165,021
Participant contributions at beginning of year	2019-12-31	$4,654,816
Participant contributions at beginning of year	2019-12-31	$4,654,816
Participant contributions at end of year	2019-12-31	$0
Participant contributions at end of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
Participant contributions at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2019-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$4,428,916
Income. Received or receivable in cash from other sources (including rollovers)	2019-12-31	$4,428,916
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at end of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Other income not declared elsewhere	2019-12-31	$0
Administrative expenses (other) incurred	2019-12-31	$301,316
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at end of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Liabilities. Value of operating payables at beginning of year	2019-12-31	$0
Total non interest bearing cash at end of year	2019-12-31	$4,700
Total non interest bearing cash at end of year	2019-12-31	$4,700
Total non interest bearing cash at beginning of year	2019-12-31	$0
Total non interest bearing cash at beginning of year	2019-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Income. Non cash contributions	2019-12-31	$0
Income. Non cash contributions	2019-12-31	$0
Value of net income/loss	2019-12-31	$58,694,212
Value of net income/loss	2019-12-31	$58,694,212
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$244,273,839
Value of net assets at end of year (total assets less liabilities)	2019-12-31	$244,273,839
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$185,579,627
Value of net assets at beginning of year (total assets less liabilities)	2019-12-31	$185,579,627
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Were any leases to which the plan was party in default or uncollectible	2019-12-31	No
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at end of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2019-12-31	$0
Investment advisory and management fees	2019-12-31	$245,279
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$226,829,319
Value of interest in registered invesment companies (eg mutual funds) at end of year	2019-12-31	$226,829,319
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$168,245,107
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2019-12-31	$168,245,107
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at end of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2019-12-31	$0
Interest on participant loans	2019-12-31	$300,624
Interest on participant loans	2019-12-31	$300,624
Income. Interest from loans (other than to participants)	2019-12-31	$0
Income. Interest from loans (other than to participants)	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Interest earned on other investments	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$0
Income. Interest from US Government securities	2019-12-31	$0
Income. Interest from corporate debt instruments	2019-12-31	$0
Income. Interest from corporate debt instruments	2019-12-31	$0
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at end of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2019-12-31	$0
Value of interest in common/collective trusts at end of year	2019-12-31	$2,704,177
Value of interest in common/collective trusts at end of year	2019-12-31	$2,704,177
Value of interest in common/collective trusts at beginning of year	2019-12-31	$2,143,343
Value of interest in common/collective trusts at beginning of year	2019-12-31	$2,143,343
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$8,920,923
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2019-12-31	$8,920,923
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$7,688,280
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$7,688,280
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2019-12-31	$7,688,280
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2019-12-31	$7,688,280
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$182,657
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2019-12-31	$182,657
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at end of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at end of year	2019-12-31	$0
Asset value of US Government securities at beginning of year	2019-12-31	$0
Asset value of US Government securities at beginning of year	2019-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$32,052,512
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2019-12-31	$32,052,512
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain/loss from pooled separate accounts	2019-12-31	$0
Net investment gain or loss from common/collective trusts	2019-12-31	$61,752
Net investment gain or loss from common/collective trusts	2019-12-31	$61,752
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Net gain/loss from 103.12 investment entities	2019-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2019-12-31	No
Was there a failure to transmit to the plan any participant contributions	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Has the plan failed to provide any benefit when due under the plan	2019-12-31	No
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at end of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Invements in employer securities at beginning of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at end of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Assets. Value of employer real property at beginning of year	2019-12-31	$0
Contributions received in cash from employer	2019-12-31	$6,748,727
Contributions received in cash from employer	2019-12-31	$6,748,727
Employer contributions (assets) at end of year	2019-12-31	$418,346
Employer contributions (assets) at end of year	2019-12-31	$418,346
Employer contributions (assets) at beginning of year	2019-12-31	$2,848,081
Employer contributions (assets) at beginning of year	2019-12-31	$2,848,081
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from preferred stock	2019-12-31	$0
Income. Dividends from common stock	2019-12-31	$113
Income. Dividends from common stock	2019-12-31	$113
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$11,154,312
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2019-12-31	$11,154,312
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at end of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2019-12-31	$0
Contract administrator fees	2019-12-31	$0
Contract administrator fees	2019-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2019-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$228,340
Assets. Corporate common stocks other than exployer securities at end of year	2019-12-31	$228,340
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2019-12-31	$0
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan have assets held for investment	2019-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2019-12-31	No
Aggregate proceeds on sale of assets	2019-12-31	$20,366
Aggregate proceeds on sale of assets	2019-12-31	$20,366
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$29,373
Aggregate carrying amount (costs) on sale of assets	2019-12-31	$29,373
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2019-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2019-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Opinion of an independent qualified public accountant for this plan	2019-12-31	Disclaimer
Accountancy firm name	2019-12-31	BDO USA, LLP
Accountancy firm name	2019-12-31	BDO USA, LLP
Accountancy firm EIN	2019-12-31	135381590
2018 : CORE & MAIN 401(K) RETIREMENT PLAN 2018 401k financial data
Unrealized appreciation/depreciation of real estate assets	2018-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2018-12-31	$0
Total unrealized appreciation/depreciation of assets	2018-12-31	$0
Total transfer of assets to this plan	2018-12-31	$3,908
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2018-12-31	$0
Expenses. Interest paid	2018-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2018-12-31	$0
Total income from all sources (including contributions)	2018-12-31	$11,738,018
Total loss/gain on sale of assets	2018-12-31	$0
Total of all expenses incurred	2018-12-31	$11,372,535
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2018-12-31	$10,876,674
Expenses. Certain deemed distributions of participant loans	2018-12-31	$15,945
Value of total corrective distributions	2018-12-31	$634
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2018-12-31	$23,393,817
Value of total assets at end of year	2018-12-31	$185,579,627
Value of total assets at beginning of year	2018-12-31	$185,210,236
Total of administrative expenses incurred including professional, contract, advisory and management fees	2018-12-31	$479,282
Total income from rents	2018-12-31	$0
Total interest from all sources	2018-12-31	$351,945
Total dividends received (eg from common stock, registered investment company shares)	2018-12-31	$8,303,991
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2018-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2018-12-31	$8,303,991
Assets. Real estate other than employer real property at end of year	2018-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2018-12-31	$0
Administrative expenses professional fees incurred	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2018-12-31	$0
Was this plan covered by a fidelity bond	2018-12-31	Yes
Value of fidelity bond cover	2018-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2018-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2018-12-31	No
Contributions received from participants	2018-12-31	$15,750,134
Participant contributions at end of year	2018-12-31	$4,654,816
Participant contributions at beginning of year	2018-12-31	$4,091,350
Participant contributions at end of year	2018-12-31	$0
Participant contributions at beginning of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2018-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2018-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2018-12-31	$2,099,332
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2018-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2018-12-31	$0
Assets. Loans (other than to participants) at end of year	2018-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2018-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2018-12-31	$0
Other income not declared elsewhere	2018-12-31	$0
Administrative expenses (other) incurred	2018-12-31	$301,400
Liabilities. Value of operating payables at end of year	2018-12-31	$0
Liabilities. Value of operating payables at beginning of year	2018-12-31	$0
Total non interest bearing cash at end of year	2018-12-31	$0
Total non interest bearing cash at beginning of year	2018-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Income. Non cash contributions	2018-12-31	$0
Value of net income/loss	2018-12-31	$365,483
Value of net assets at end of year (total assets less liabilities)	2018-12-31	$185,579,627
Value of net assets at beginning of year (total assets less liabilities)	2018-12-31	$185,210,236
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2018-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2018-12-31	No
Were any leases to which the plan was party in default or uncollectible	2018-12-31	No
Assets. partnership/joint venture interests at end of year	2018-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2018-12-31	$0
Investment advisory and management fees	2018-12-31	$177,882
Value of interest in registered invesment companies (eg mutual funds) at end of year	2018-12-31	$168,245,107
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2018-12-31	$170,307,865
Value of interest in pooled separate accounts at end of year	2018-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2018-12-31	$0
Interest on participant loans	2018-12-31	$228,748
Income. Interest from loans (other than to participants)	2018-12-31	$0
Interest earned on other investments	2018-12-31	$0
Income. Interest from US Government securities	2018-12-31	$0
Income. Interest from corporate debt instruments	2018-12-31	$0
Value of interest in master investment trust accounts at end of year	2018-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2018-12-31	$0
Value of interest in common/collective trusts at end of year	2018-12-31	$2,143,343
Value of interest in common/collective trusts at beginning of year	2018-12-31	$1,417,839
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2018-12-31	$7,688,280
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2018-12-31	$6,742,685
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2018-12-31	$6,742,685
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2018-12-31	$123,197
Assets. Value of investments in 103.12 investment entities at end of year	2018-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2018-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2018-12-31	$0
Asset value of US Government securities at end of year	2018-12-31	$0
Asset value of US Government securities at beginning of year	2018-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2018-12-31	$-20,348,930
Net investment gain/loss from pooled separate accounts	2018-12-31	$0
Net investment gain or loss from common/collective trusts	2018-12-31	$37,195
Net gain/loss from 103.12 investment entities	2018-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2018-12-31	No
Was there a failure to transmit to the plan any participant contributions	2018-12-31	No
Has the plan failed to provide any benefit when due under the plan	2018-12-31	No
Assets. Invements in employer securities at end of year	2018-12-31	$0
Assets. Invements in employer securities at beginning of year	2018-12-31	$0
Assets. Value of employer real property at end of year	2018-12-31	$0
Assets. Value of employer real property at beginning of year	2018-12-31	$0
Contributions received in cash from employer	2018-12-31	$5,544,351
Employer contributions (assets) at end of year	2018-12-31	$2,848,081
Employer contributions (assets) at beginning of year	2018-12-31	$2,650,497
Income. Dividends from preferred stock	2018-12-31	$0
Income. Dividends from common stock	2018-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2018-12-31	$10,876,674
Asset. Corporate debt instrument preferred debt at end of year	2018-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2018-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2018-12-31	$0
Contract administrator fees	2018-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2018-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2018-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2018-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2018-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2018-12-31	$0
Did the plan have assets held for investment	2018-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2018-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2018-12-31	No
Aggregate proceeds on sale of assets	2018-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2018-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2018-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2018-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2018-12-31	Disclaimer
Accountancy firm name	2018-12-31	BDO USA, LLP
Accountancy firm EIN	2018-12-31	135381590
2017 : CORE & MAIN 401(K) RETIREMENT PLAN 2017 401k financial data
Unrealized appreciation/depreciation of real estate assets	2017-12-31	$0
Unrealized appreciation/depreciation of other (non real estate) assets	2017-12-31	$0
Total unrealized appreciation/depreciation of assets	2017-12-31	$0
Total transfer of assets to this plan	2017-12-31	$167,689,657
Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities)	2017-12-31	$0
Expenses. Interest paid	2017-12-31	$0
Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102	2017-12-31	$0
Total income from all sources (including contributions)	2017-12-31	$19,458,089
Total loss/gain on sale of assets	2017-12-31	$0
Total of all expenses incurred	2017-12-31	$1,937,510
Benefit payments and payments to participlants,beneficiaries,insurance carriers and others	2017-12-31	$1,913,893
Expenses. Certain deemed distributions of participant loans	2017-12-31	$0
Value of total corrective distributions	2017-12-31	$0
Total contributions o plan (from employers,participants, others, non cash contrinutions)	2017-12-31	$8,500,290
Value of total assets at end of year	2017-12-31	$185,210,236
Value of total assets at beginning of year	2017-12-31	$0
Total of administrative expenses incurred including professional, contract, advisory and management fees	2017-12-31	$23,617
Total income from rents	2017-12-31	$0
Total interest from all sources	2017-12-31	$104,287
Total dividends received (eg from common stock, registered investment company shares)	2017-12-31	$4,412,294
Has a resolution to terminate the plan been adopted during the plan year or any prior plan year	2017-12-31	No
Total dividends received from registered investment company shares (eg mutual funds)	2017-12-31	$4,412,294
Assets. Real estate other than employer real property at end of year	2017-12-31	$0
Assets. Real estate other than employer real property at beginning of year	2017-12-31	$0
Administrative expenses professional fees incurred	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate prefeered stocks other than exployer securities at beginning of year	2017-12-31	$0
Was this plan covered by a fidelity bond	2017-12-31	Yes
Value of fidelity bond cover	2017-12-31	$5,000,000
If this is an individual account plan, was there a blackout period	2017-12-31	No
Were there any nonexempt tranactions with any party-in-interest	2017-12-31	No
Contributions received from participants	2017-12-31	$4,498,108
Participant contributions at end of year	2017-12-31	$4,091,350
Participant contributions at beginning of year	2017-12-31	$0
Participant contributions at end of year	2017-12-31	$0
Participant contributions at beginning of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at end of year	2017-12-31	$0
Assets. Other investments not covered elsewhere at beginning of year	2017-12-31	$0
Income. Received or receivable in cash from other sources (including rollovers)	2017-12-31	$529,545
Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries)	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at end of year	2017-12-31	$0
Value of other receiveables (less allowance for doubtful accounts) at beginning of year	2017-12-31	$0
Assets. Loans (other than to participants) at end of year	2017-12-31	$0
Assets. Loans (other than to participants) at beginning of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year	2017-12-31	$0
Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year	2017-12-31	$0
Other income not declared elsewhere	2017-12-31	$0
Administrative expenses (other) incurred	2017-12-31	$7,954
Liabilities. Value of operating payables at end of year	2017-12-31	$0
Liabilities. Value of operating payables at beginning of year	2017-12-31	$0
Total non interest bearing cash at end of year	2017-12-31	$0
Total non interest bearing cash at beginning of year	2017-12-31	$0
Did the receive any noncash contributions whose value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Income. Non cash contributions	2017-12-31	$0
Value of net income/loss	2017-12-31	$17,520,579
Value of net assets at end of year (total assets less liabilities)	2017-12-31	$185,210,236
Value of net assets at beginning of year (total assets less liabilities)	2017-12-31	$0
Did the plan have a loss casued by fraud or dishonesty (regardless whether reimbursed by fidelity bond)	2017-12-31	No
Were any loans by the plan or fixed income obligations due to the plan in default	2017-12-31	No
Were any leases to which the plan was party in default or uncollectible	2017-12-31	No
Assets. partnership/joint venture interests at end of year	2017-12-31	$0
Assets. partnership/joint venture interests at beginning of year	2017-12-31	$0
Investment advisory and management fees	2017-12-31	$15,663
Value of interest in registered invesment companies (eg mutual funds) at end of year	2017-12-31	$170,307,865
Value of interest in registered invesment companies (eg mutual funds) at beginning of year	2017-12-31	$0
Value of interest in pooled separate accounts at end of year	2017-12-31	$0
Value of interest in pooled separate accounts at beginning of year	2017-12-31	$0
Interest on participant loans	2017-12-31	$72,415
Income. Interest from loans (other than to participants)	2017-12-31	$0
Interest earned on other investments	2017-12-31	$0
Income. Interest from US Government securities	2017-12-31	$0
Income. Interest from corporate debt instruments	2017-12-31	$0
Value of interest in master investment trust accounts at end of year	2017-12-31	$0
Value of interest in master investment trust accounts at beginning of year	2017-12-31	$0
Value of interest in common/collective trusts at end of year	2017-12-31	$1,417,839
Value of interest in common/collective trusts at beginning of year	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year	2017-12-31	$6,742,685
Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year	2017-12-31	$0
Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year	2017-12-31	$0
Interest earned from interest bearing cash (including money market accounts and certificates of deposit)	2017-12-31	$31,872
Assets. Value of investments in 103.12 investment entities at end of year	2017-12-31	$0
Assets. Value of investments in 103.12 investment entities at beginning of year	2017-12-31	$0
Expenses. Payments to insurance carriers foe the provision of benefits	2017-12-31	$0
Asset value of US Government securities at end of year	2017-12-31	$0
Asset value of US Government securities at beginning of year	2017-12-31	$0
Net investment gain/loss from registered investment companies (e.g. mutual funds)	2017-12-31	$6,436,861
Net investment gain/loss from pooled separate accounts	2017-12-31	$0
Net investment gain or loss from common/collective trusts	2017-12-31	$4,357
Net gain/loss from 103.12 investment entities	2017-12-31	$0
Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets	2017-12-31	No
Was there a failure to transmit to the plan any participant contributions	2017-12-31	No
Has the plan failed to provide any benefit when due under the plan	2017-12-31	No
Assets. Invements in employer securities at end of year	2017-12-31	$0
Assets. Invements in employer securities at beginning of year	2017-12-31	$0
Assets. Value of employer real property at end of year	2017-12-31	$0
Assets. Value of employer real property at beginning of year	2017-12-31	$0
Contributions received in cash from employer	2017-12-31	$3,472,637
Employer contributions (assets) at end of year	2017-12-31	$2,650,497
Employer contributions (assets) at beginning of year	2017-12-31	$0
Income. Dividends from preferred stock	2017-12-31	$0
Income. Dividends from common stock	2017-12-31	$0
Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers	2017-12-31	$1,913,893
Asset. Corporate debt instrument preferred debt at end of year	2017-12-31	$0
Asset. Corporate debt instrument preferred debt at beginning of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at end of year	2017-12-31	$0
Asset. Corporate debt instrument debt (other) at beginning of year	2017-12-31	$0
Contract administrator fees	2017-12-31	$0
Was the provided the required notice or one of the exceptions to providing the black out period notice applied under 29 CFR 2520.101-3	2017-12-31	No
Assets. Corporate common stocks other than exployer securities at end of year	2017-12-31	$0
Assets. Corporate common stocks other than exployer securities at beginning of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at end of year	2017-12-31	$0
Liabilities. Value of benefit claims payable at beginning of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at end of year	2017-12-31	$0
Assets. Value of buildings and other operty used in plan operation at beginning of year	2017-12-31	$0
Did the plan have assets held for investment	2017-12-31	Yes
Did the plan hold any assets whose current value was neither redily determinable on an established market nor set by an independent third party appraiser	2017-12-31	No
Were all the plan assets eitehr distributed to particpants/beneficiaries, transferred to another plan or brought under the control of the PBGC	2017-12-31	No
Aggregate proceeds on sale of assets	2017-12-31	$0
Aggregate carrying amount (costs) on sale of assets	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at end of year	2017-12-31	$0
Liabilities. Value of acquisition indebtedness at beginning of year	2017-12-31	$0
Accountant perfomed limited scope audit pursuant to 29 CFR 2520.103-8 and/or 103-12(d)	2017-12-31	Yes
Opinion of an independent qualified public accountant for this plan	2017-12-31	Disclaimer
Accountancy firm name	2017-12-31	BDO USA, LLP
Accountancy firm EIN	2017-12-31	135381590

Form 5500 Responses for CORE & MAIN 401(K) RETIREMENT PLAN

2022: CORE & MAIN 401(K) RETIREMENT PLAN 2022 form 5500 responses
2022-01-01	Type of plan entity	Single employer plan
2022-01-01	Submission has been amended	No
2022-01-01	This submission is the final filing	No
2022-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2022-01-01	Plan is a collectively bargained plan	Yes
2022-01-01	Plan funding arrangement – Insurance	Yes
2022-01-01	Plan funding arrangement – Trust	Yes
2022-01-01	Plan benefit arrangement – Insurance	Yes
2022-01-01	Plan benefit arrangement - Trust	Yes
2021: CORE & MAIN 401(K) RETIREMENT PLAN 2021 form 5500 responses
2021-01-01	Type of plan entity	Single employer plan
2021-01-01	This submission is the final filing	No
2021-01-01	Plan is a collectively bargained plan	Yes
2021-01-01	Plan funding arrangement – Trust	Yes
2021-01-01	Plan benefit arrangement - Trust	Yes
2020: CORE & MAIN 401(K) RETIREMENT PLAN 2020 form 5500 responses
2020-01-01	Type of plan entity	Single employer plan
2020-01-01	This submission is the final filing	No
2020-01-01	Plan is a collectively bargained plan	Yes
2020-01-01	Plan funding arrangement – Trust	Yes
2020-01-01	Plan benefit arrangement - Trust	Yes
2019: CORE & MAIN 401(K) RETIREMENT PLAN 2019 form 5500 responses
2019-01-01	Type of plan entity	Single employer plan
2019-01-01	Submission has been amended	No
2019-01-01	This submission is the final filing	No
2019-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2019-01-01	Plan is a collectively bargained plan	Yes
2019-01-01	Plan funding arrangement – Trust	Yes
2019-01-01	Plan benefit arrangement - Trust	Yes
2018: CORE & MAIN 401(K) RETIREMENT PLAN 2018 form 5500 responses
2018-01-01	Type of plan entity	Single employer plan
2018-01-01	Submission has been amended	No
2018-01-01	This submission is the final filing	No
2018-01-01	This return/report is a short plan year return/report (less than 12 months)	No
2018-01-01	Plan is a collectively bargained plan	Yes
2018-01-01	Plan funding arrangement – Trust	Yes
2018-01-01	Plan benefit arrangement - Trust	Yes
2017: CORE & MAIN 401(K) RETIREMENT PLAN 2017 form 5500 responses
2017-08-01	Type of plan entity	Single employer plan
2017-08-01	First time form 5500 has been submitted	Yes
2017-08-01	Submission has been amended	No
2017-08-01	This submission is the final filing	No
2017-08-01	This return/report is a short plan year return/report (less than 12 months)	Yes
2017-08-01	Plan is a collectively bargained plan	No
2017-08-01	Plan funding arrangement – Trust	Yes
2017-08-01	Plan benefit arrangement - Trust	Yes

Insurance Providers Used on plan

NEW YORK LIFE INSURANCE COMPANY (National Association of Insurance Commissioners NAIC id number: 66915 )

Policy contract number

GA32216

Policy instance

Insurance contract or identification number	GA32216
Number of Individuals Covered	554
Insurance policy start date	2022-06-30
Insurance policy end date	2022-12-31
Are there contracts with allocated funds for individual policies?	0
Are there contracts with allocated funds for types other than group deferred annuity or individual?	No
Contract purchased, in whole or in part, to distribute benefits from a terminating plan	No
Contracts With Unallocated Funds Deposit Administration	0
Are there contracts with unallocated funds for contracts of type immediate participation guarantee?	No
Are there contracts with unallocated funds for contracts of type guaranteed investment?	No
Are there contracts with unallocated funds for contract types other than deposit administration, immediate participation guarantee or guaranteed investment?	No
Health Insurance Welfare Benefit	No
Dental Insurance Welfare Benefit	No
Vision Insurance Welfare Benefit	No
Life Insurance Welfare Benefit	No
Temporary Disability Insurance Welfare Benefit	No
Long Term Disability Insurance Welfare Benefit	No
Unemployment Insurance Welfare Benefit	No
Were dividends or retroactive rate refunds paid in cash?	No
Were dividends or retroactive rate refunds paid as a credit?	No
Did the insurance company fail to provide any information necessary to complete Schedule A of form 5500?	No

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Company Name:	CORE & MAIN
Employer identification number (EIN):	030550887
NAIC Classification:	236110