| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Partners Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Aug 1995 |
| 2 | PD Operating Company | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2005 |
| 3 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Oct 2025 |
| 4 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | Jun 2025 |
| 5 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 6 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 7 | Pyramid Exploration | Houston, TX 77241 | Oil & Gas Operator | Sep 1995 |