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| Company Name: | S.L. WILLIAMSON CO., INC. |
| Employer identification number (EIN): | 540491737 |
| NAIC Classification: | 237310 |
| NAIC Description: | Highway, Street, and Bridge Construction |
The following addresses have been detected on the 401k submissions:
| USA Location Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2011-03-21 | |||||
| Date last seen: 2018-05-18 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-12-02 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2025-07-30 | |||||
| Date last seen: 2025-12-04 | |||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 001 | S.L. WILLIAMSON CO., INC 401(K) RETIREMENT PLAN | 2013-01-01 | 1997-01-01 |
| 503 | S. L. WILLIAMSON CO., INC. EMPLOYEE BENEFITS PLAN | 2016-04-01 | 1974-01-01 |
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