| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 2 | Oilrox Resources LLC | San Antonio, TX 78258 | Oil & Gas Operator | Jul 2025 |
| 3 | Omar Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 4 | Omimex Energy, Inc. | Fort Worth, TX 76120 | Oil & Gas Operator | Jun 2025 |
| 5 | Orion Energen Inc. | Austin, TX 78731 | Oil & Gas Operator | Jul 2023 |