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| Company Name: | BLACK HILLS BENTONITE, A LIMITED LIABILITY COMPANY |
| Employer identification number (EIN): | 830295902 |
| NAIC Classification: | 212320 |
| NAIC Description: | Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying |
Additional information about BLACK HILLS BENTONITE, A LIMITED LIABILITY COMPANY
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More information about BLACK HILLS BENTONITE, A LIMITED LIABILITY COMPANY
The following addresses have been detected on the 401k submissions:
| USA Location Address | |||||
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| Date first seen: 2011-06-30 | |||||
| Date last seen: 2025-09-30 | |||||
| 401k Sponsor USA Address | |||||
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| Date first seen: 2022-09-20 | |||||
| Date last seen: 2025-09-30 | |||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 002 | BLACK HILLS BENTONITE 401(K) SALARY REDUCTION PLAN AND TRUST | 2012-01-01 | 1992-01-01 |
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