| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | O.G.P. Operating, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Oct 2025 |
| 2 | Oak Grove Resources, LLC | Gas Operator | Jul 2025 | |
| 3 | Odom, Ralph R. | Oil & Gas Operator | Aug 1993 | |
| 4 | Offshore Group, Inc. The | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 5 | Oglesby, Marshall | Oil Operator | May 1990 | |
| 6 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Oct 2025 |