| 1 | Paleo, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2024 |
| 2 | Palmer Petroleum Inc. | Shreveport, LA 71106 | Oil & Gas Operator | Apr 2024 |
| 3 | Panhandle Oil & Gas Inc | Oklahoma City, OK 73112-5688 | Oil & Gas Operator | May 2007 |
| 4 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2024 |
| 5 | Paradigm Exploration, L.P. | La Grange, TX 78945 | Oil Operator | Sep 2008 |
| 6 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 7 | Parker & Parsley Producing LP | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
| 8 | Parten Operating Inc. | Houston, TX 77069 | Oil & Gas Operator | Apr 2024 |
| 9 | Patara Oil & Gas LLC | Dallas, TX 75219 | Oil & Gas Operator | Mar 2018 |
| 10 | Patton Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 1997 |
| 11 | Peak Energy Corporation | Plano, TX 75093 | Oil & Gas Operator | Oct 2018 |
| 12 | Pecos Petroleum Company | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 13 | Pedernales Petroleum Op, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 14 | Peles, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
| 15 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 16 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 17 | Permian Natural Resources | Austin, TX 78701 | Oil & Gas Operator | Apr 2024 |
| 18 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 19 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2024 |
| 20 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Apr 2024 |
| 21 | Phillips, Jack L. | Gladewater, TX 75647 | Oil & Gas Operator | Dec 1997 |
| 22 | Phylko Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 23 | Plains Marketing LP | Cushing, OK 74023 | Oil & Gas Operator | Dec 2022 |
| 24 | Ponta E&P LLP | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
| 25 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
| 26 | Princess Three Operating, LLC | Henderson, TX 75653 | Oil & Gas Operator | Apr 2024 |
| 27 | Proex Energy Management, L.L.C. | Spring, TX 77386 | Oil & Gas Operator | Apr 2024 |
| 28 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2024 |
| 29 | Psi Production, Inc. | Tyler, TX 75702 | Gas Operator | Jan 1994 |
| 30 | PXP Gulf Coast Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 31 | PXP Texas Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2007 |