| 1 | P.O.&G. Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 2 | Paleo Oil Company LLC | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Dec 2025 |
| 3 | Panther Creek Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2012 |
| 4 | Par Producing Company | Snyder, TX 79550 | Oil & Gas Operator | Jun 2017 |
| 5 | Paradis Investments, L.L.C. | Bellaire, TX 77401 | Oil Operator | Jun 2020 |
| 6 | Pardus Oil & Gas Operating, LP | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2022 |
| 7 | Patterson Energy Corporation | Dallas, TX 75367 | Oil & Gas Operator | Dec 2025 |
| 8 | Patterson Petroleum LLC | Snyder, TX 79550 | Oil & Gas Operator | Oct 2007 |
| 9 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 10 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 11 | Petrocorp Incorporated,A TX.Corp | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2005 |
| 12 | Petroleum Resource Management Co | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 13 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Dec 2025 |
| 14 | Phoenix Operating Company Of TX. | Dallas, TX 75206 | Oil & Gas Operator | Jun 1995 |
| 15 | Pierce Operating Company, L.L.C. | Bryan, TX 77808 | Oil & Gas Operator | Dec 2018 |
| 16 | Ponderosa Oil & Gas, LLC | Houston, TX 77008 | Oil & Gas Operator | Dec 2025 |
| 17 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2025 |
| 18 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 19 | Producers Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 2000 |
| 20 | Progenies Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 21 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Dec 2025 |
| 22 | Proven Natural Resources LLC | Canton, TX 75103 | Oil & Gas Operator | Dec 2025 |