| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Oil And Gas Futures, Inc. | Oil & Gas Operator | May 1977 | |
| 2 | Oilwell Acquisition Co | Oil & Gas Operator | Jun 1999 | |
| 3 | Orx Resources, L.L.C. | Houston, TX 77067 | Oil & Gas Operator | Dec 2025 |
| 4 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 5 | Osman Global Services LLC | Oil & Gas Operator | Jan 2025 |