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| Company Name: | OIL WELL SERVICE CO. |
| Employer identification number (EIN): | 951062955 |
| NAIC Classification: | 211120 |
| NAIC Description: | Crude Petroleum Extraction |
The following addresses have been detected on the 401k submissions:
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-06-30 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2010-05-21 | |||||
| Date last seen: 2010-10-15 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-10-02 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-11-22 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-12-03 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-11-23 | |||||
| USA Mailing Address | |||||
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-12-03 | |||||
| USA Mailing Address | ||||||
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| Date first seen: 2025-11-18 | ||||||
| Date last seen: 2025-12-03 | ||||||
| Date | Description |
|---|---|
| 2021-10-13 | 951062955 Change of name detected from OIL WELL SERVICES to OIL WELL SERVICE CO. |
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 003 | OIL WELL SERVICE CO. EMPLOYEE STOCK OWNERSHIP PLAN | 2015-01-01 | 2004-07-01 |
| 501 | OIL WELL SERVICES WELFARE BENEFITS PLAN | 2015-01-01 | 2001-02-01 |
| 002 | OIL WELL SERVICE CO. EMPLOYEES 401(K) PLAN | 2015-01-01 | 1995-10-01 |
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