| 1 | P & M Construction | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 2 | Pacific Exploration Oper Co, LLC | Houston, TX 77057 | Oil Operator | Oct 2025 |
| 3 | Paleo Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 4 | Palmer Operating LLC | Megargel, TX 76370 | Oil Operator | Oct 2025 |
| 5 | Palmer Tank Trucks, Inc. | Olney, TX 76374 | Oil & Gas Operator | Mar 2008 |
| 6 | Palmer, John LLC | Megargel, TX 76370 | Oil & Gas Operator | Oct 2025 |
| 7 | Palmer, Mike Oil | Megargel, TX 76370 | Oil & Gas Operator | Mar 2021 |
| 8 | Palmer, Scott Oil | Olney, TX 76374 | Oil Operator | Feb 2023 |
| 9 | Palo Pinto Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1998 |
| 10 | Panther City Energy LLC | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2025 |
| 11 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 12 | Parker Operating Co., Inc. | Aledo, TX 76008 | Oil & Gas Operator | Sep 2000 |
| 13 | Paschal Petroleum, Inc. | Dallas, TX 75380 | Oil & Gas Operator | Apr 1994 |
| 14 | Peba Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 2015 |
| 15 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Oct 2025 |
| 16 | Pendragon Oil Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 2025 |
| 17 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 18 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 19 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Jul 2025 |
| 20 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 21 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 22 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 23 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Oct 2025 |
| 24 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 25 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 26 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Oct 2025 |
| 27 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 28 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 29 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 30 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 31 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Jul 2025 |
| 32 | Pinewood Exploration Inc. | Arlington, TX 76096 | Oil & Gas Operator | Oct 2011 |
| 33 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 34 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 35 | Pop Operating Company | Denton, TX 76202 | Oil & Gas Operator | Oct 2025 |
| 36 | Porter, E. J. | Mingus, TX 76463 | Gas Operator | Jan 2011 |
| 37 | Powder River Resources, LLC | Archer City, TX 76351 | Oil & Gas Operator | Oct 2025 |
| 38 | Prickett, Jimmy | Wichita Falls, TX 76308 | Oil Operator | Feb 2002 |
| 39 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 40 | Pro. Energy I Resource, LLC | Haslet, TX 76052 | Oil Operator | Oct 2025 |
| 41 | Progas Operating, Inc | Red Rock, TX 78662 | Oil & Gas Operator | Oct 2025 |
| 42 | Pruitt Oil & Gas | Decatur, TX 76234 | Oil & Gas Operator | Feb 2018 |
| 43 | Pryor Petroleum Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 44 | Pursley, John | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2025 |
| 45 | PV Oil Services, LLC | Abilene, TX 79601 | Oil & Gas Operator | Oct 2025 |
| 46 | Pyramid Energy Inc | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2012 |