| 1 | P1 Energy, LLC | Judson, TX 75660 | Oil & Gas Operator | Oct 2025 |
| 2 | P4 Operating, LLC | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 3 | Pace Production Co. | San Angelo, TX 76902 | Oil & Gas Operator | Oct 2025 |
| 4 | Page Energy | Eldorado, TX 76936 | Oil & Gas Operator | Mar 1997 |
| 5 | Page Exploration | Midland, TX 79701 | Oil & Gas Operator | Apr 2007 |
| 6 | Palo Petroleum, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Oct 2025 |
| 7 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 8 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 9 | Parsley Energy Operations, LLC | Irving, TX 75038 | Oil & Gas Operator | Jan 2021 |
| 10 | Partners Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Aug 1995 |
| 11 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 12 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 13 | Penergy | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 14 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 15 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 16 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 17 | Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 18 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | Oct 2025 |
| 19 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 20 | Petro Plex Oil Co Inc. | Homosassa, FL 34448 | Oil & Gas Operator | Jul 2020 |
| 21 | Petro-Raider LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 22 | Petro-Smith Operating LLC | Houston, TX 77010 | Oil & Gas Operator | Oct 2025 |
| 23 | Petrodata Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 24 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 25 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 26 | Pinon Petroleum, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Apr 2004 |
| 27 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Oct 2025 |
| 28 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |
| 29 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 30 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 31 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
| 32 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 33 | Prasad, Hari Production Co. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 34 | Prentice Napier & Green Inc | Oklahoma City, OK 73142 | Oil & Gas Operator | Jul 2025 |
| 35 | Prestonwood Operating LLC | Addison, TX 75001 | Oil Operator | Oct 2025 |
| 36 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 37 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 38 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |