| 1 | Pacesetter Energy, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 2020 |
| 2 | Paladin Energy Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jul 2017 |
| 3 | Palo Duro Resources LLC | Perryton, TX 79070 | Oil & Gas Operator | Oct 2025 |
| 4 | Panada Exploration, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1996 |
| 5 | Parish, John R. | Andrews, TX 79714 | Oil & Gas Operator | Oct 2025 |
| 6 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 7 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 8 | Pate, L. T. | Austin, TX 78701 | Oil & Gas Operator | Aug 1994 |
| 9 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 10 | Peden, Oren Inc. | Levelland, TX 79336 | Oil & Gas Operator | May 2001 |
| 11 | Pedernales Production, LP | Houston, TX 77057 | Oil & Gas Operator | Mar 2022 |
| 12 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 13 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 14 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 15 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 16 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | Oct 2025 |
| 17 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 18 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 19 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 20 | Petrolero, LLC | Plano, TX 75026 | Oil & Gas Operator | Oct 2025 |
| 21 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 22 | Philmar | Houston, TX 77269 | Oil Operator | Oct 2025 |
| 23 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 24 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 25 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 26 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 27 | Plains Petroleum Operating Co. | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 28 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 29 | PPC Operating Company LLC | Houston, TX 77279 | Oil & Gas Operator | Jul 2019 |
| 30 | Prasad, Hari Production Co. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 31 | Prasad, LTD. | Midland, TX 79701 | Oil & Gas Operator | Sep 2006 |
| 32 | Primero Operating, Inc. | Roswell, NM 88202 | Oil & Gas Operator | Jun 2022 |
| 33 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 34 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | Oct 2025 |
| 35 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |