| Company Name: | DIAMOND OFFSHORE MANAGEMENT COMPANY |
| Employer identification number (EIN): | 133560049 |
| 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: 2010-10-06 | |||||
| Date last seen: 2025-10-02 | |||||
| USA Location Address | |||||
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| Date first seen: 2010-10-06 | |||||
| Date last seen: 2013-07-22 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | |||||
| Date last seen: 2025-12-04 | |||||
| USA Mailing Address | |||||
|---|---|---|---|---|---|
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| Date first seen: 2009-01-01 | |||||
| Date last seen: 2025-10-04 | |||||
| USA Mailing Address | ||||||
|---|---|---|---|---|---|---|
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| Date first seen: 2009-01-01 | ||||||
| Date last seen: 2025-09-16 | ||||||
| USA Mailing Address | ||||||
|---|---|---|---|---|---|---|
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| Date first seen: 2007-01-01 | ||||||
| Date last seen: 2025-12-03 | ||||||
| Plan id# | Plan Name | Plan Start Date | Plan Effective Date |
|---|---|---|---|
| 001 | DIAMOND OFFSHORE 401(K) PLAN | 2014-01-01 | 1989-07-01 |
| 501 | DIAMOND OFFSHORE WELFARE BENEFIT PLAN | 2015-01-01 | 1989-06-28 |