| 1 | Pa Prospect LLC | Columbus, MT 59019 | Oil & Gas Operator | Jul 2020 |
| 2 | Pacesetter Energy, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | May 2008 |
| 3 | Pacesetter Energy, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 2020 |
| 4 | Panther Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2017 |
| 5 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2025 |
| 6 | Parish, John R. | Andrews, TX 79714 | Oil & Gas Operator | Sep 2025 |
| 7 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 8 | Parsley Energy Operations, LLC | Irving, TX 75038 | Oil & Gas Operator | Jan 2021 |
| 9 | Patriot Production LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2023 |
| 10 | Patriot Resources, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
| 11 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 12 | Pcore Exploration & Prod II LLC | Golden, CO 80401 | Oil & Gas Operator | Jun 2020 |
| 13 | PDC Permian, Inc. | Midland, TX 79706 | Oil & Gas Operator | Sep 2025 |
| 14 | Pdeh LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 15 | Pearce Trust And Blair | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 16 | Pearce, Roy F., Jr. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 17 | Pecos Production Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2005 |
| 18 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 19 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 20 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Sep 2025 |
| 21 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 22 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2025 |
| 23 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 24 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 25 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 26 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | Sep 2025 |
| 27 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2025 |
| 28 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 29 | Petro-Hunt Permian, LLC | Dallas, TX 75201 | Oil & Gas Operator | Sep 2025 |
| 30 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Sep 2025 |
| 31 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 32 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 33 | Petroplex Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2025 |
| 34 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 35 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 36 | Piedra Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 37 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Sep 2025 |
| 38 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 39 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Sep 2025 |
| 40 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 41 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 42 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 43 | Pogo Panhandle 2004, L.P. | Houston, TX 77002 | Oil & Gas Operator | Oct 2017 |
| 44 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
| 45 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 46 | Premier Oil & Gas LLC | Blanchard, OK 73010-2010 | Oil Operator | Dec 2022 |
| 47 | Prensorus Energy, LLC | Abilene, TX 79604 | Oil & Gas Operator | Sep 2025 |
| 48 | Pri Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Sep 2025 |
| 49 | Priest Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2025 |
| 50 | Primal Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2025 |
| 51 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2024 |
| 52 | Primrose Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2007 |
| 53 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 54 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |
| 55 | Purvis Oil Corp | Midland, TX 79702 | Oil & Gas Operator | Jul 1994 |
| 56 | Purvis Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 57 | Putnam, Paul Oil | Orla, TX 79770 | Oil & Gas Operator | Sep 2025 |
| 58 | Pyote Disposal Company | Pyote, TX 79777 | Oil Operator | Sep 2025 |