| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 2 | Oil Well Buyers Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
| 3 | Oily Dog Operators Texas, LLC | Austin, TX 78746 | Oil Operator | Oct 2025 |
| 4 | Old Pine Energy Corporation | Austin, TX 78755 | Oil Operator | Oct 2025 |
| 5 | Olipdp II, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Oct 2025 |
| 6 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |