| 1 | Pace Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Dec 2025 |
| 2 | Pantera Energy Company | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2025 |
| 3 | Par Producing Company | Snyder, TX 79550 | Oil & Gas Operator | Jun 2017 |
| 4 | Paragon Corporation | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 5 | Parallel Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Jan 2010 |
| 6 | Patrick Pet. Corp. Of Michigan | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |
| 7 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 8 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 9 | Patton Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 10 | Payne Petroleum | Abilene, TX 79604 | Oil & Gas Operator | Dec 2025 |
| 11 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 12 | Peregrine Petroleum PRTNR, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
| 13 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 14 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2025 |
| 15 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 16 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 17 | Petrosource Energy Corporation | Fort Worth, TX 76112 | Oil & Gas Operator | Dec 2025 |
| 18 | Petrotex, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 19 | Pgi Operating, LLC | Sweetwater, TX 79556 | Oil Operator | Dec 2025 |
| 20 | Phillips, Bob | Weatherford, TX 76086 | Oil & Gas Operator | Nov 2019 |
| 21 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Sep 2025 |
| 22 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 23 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 24 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 25 | Plantation Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Nov 2011 |
| 26 | Pop Operating Company | Denton, TX 76202 | Oil & Gas Operator | Dec 2025 |
| 27 | Powell, A. Brandt | Coleman, TX 76834 | Oil & Gas Operator | Mar 1999 |
| 28 | Powell, A. Brandt Co. | Hawley, TX 79525 | Oil & Gas Operator | Dec 2025 |
| 29 | Prairie Petroleum, Inc | Plano, TX 75093 | Oil & Gas Operator | May 1999 |
| 30 | Presley Prod Investments, LLC | Abilene, TX 79604 | Oil Operator | Dec 2025 |
| 31 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2025 |
| 32 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 33 | Probe Exploration Company | Abilene, TX 79605 | Oil & Gas Operator | Dec 2025 |
| 34 | Proco Operating Co., Inc. | Graford, TX 76449 | Oil & Gas Operator | Dec 2025 |
| 35 | Production Operators Of TX, LLC | Abilene, TX 79605 | Oil & Gas Operator | Dec 2025 |
| 36 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Dec 2025 |
| 37 | Purvis, J. H. | Midland, TX 79702 | Oil & Gas Operator | Dec 1994 |