| 1 | P,B&B Operating Inc. | Coleman, TX 76834 | Oil & Gas Operator | Feb 2026 |
| 2 | Paint Rock Operating, LLC | San Angelo, TX 76904 | Oil & Gas Operator | Feb 2026 |
| 3 | Patton Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 4 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Feb 2026 |
| 5 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 6 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 7 | Petro-West Corporation | Lubbock, TX 79404 | Oil & Gas Operator | Oct 2001 |
| 8 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 9 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 10 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jan 2025 |
| 11 | Pioneer Energy Corporation | Dallas, TX 75204 | Oil & Gas Operator | Feb 2026 |
| 12 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Sep 2025 |
| 13 | PM Oil & Gas, Inc. | San Angelo, TX 76903 | Oil Operator | Feb 2026 |
| 14 | Pro- Gas, Inc. | Midland, TX 79711 | Oil & Gas Operator | Feb 2026 |
| 15 | Production Operators Of TX, LLC | Abilene, TX 79605 | Oil & Gas Operator | Feb 2026 |
| 16 | Purvis Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 17 | Purvis, J. H. | Midland, TX 79702 | Oil & Gas Operator | Dec 1994 |