| 1 | P-K Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2003 |
| 2 | P. R. L. Oil Company | Albany, TX 76430 | Oil & Gas Operator | Apr 2008 |
| 3 | P.B. Blue Dot Properties | Wexford, PA 15090 | Oil & Gas Operator | Oct 2025 |
| 4 | Pacific Exploration Oper Co, LLC | Houston, TX 77057 | Oil Operator | Oct 2025 |
| 5 | Palmer Operating LLC | Megargel, TX 76370 | Oil Operator | Oct 2025 |
| 6 | Palmer Tank Trucks, Inc. | Olney, TX 76374 | Oil & Gas Operator | Mar 2008 |
| 7 | Palmer, James W. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2002 |
| 8 | Palmer, John Inc. | Megargel, TX 76370 | Oil & Gas Operator | Feb 1994 |
| 9 | Palmer, John LLC | Megargel, TX 76370 | Oil & Gas Operator | Oct 2025 |
| 10 | Palmer, Mike Oil | Megargel, TX 76370 | Oil & Gas Operator | Mar 2021 |
| 11 | Palmer, Scott Oil | Olney, TX 76374 | Oil Operator | Feb 2023 |
| 12 | Palo Pinto Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1998 |
| 13 | Panamerican Operating Inc | Dallas, TX 75219 | Oil & Gas Operator | Oct 2025 |
| 14 | Pardue Oil | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 15 | Pardue Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 16 | Parnell Operating | Kamay, TX 76369 | Oil & Gas Operator | Oct 2025 |
| 17 | Parsley, Amos | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 18 | Pautsky, Jimmy | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |
| 19 | Pautsky, Jimmy Estate Of | Wichita Falls, TX 76308 | Oil Operator | Jan 2022 |
| 20 | Pe - Texas, LLC | Oklahoma City, OK 73113 | Oil Operator | Oct 2025 |
| 21 | Pecos Country Operating Inc. | N Richlnd HLS, TX 76182 | Oil Operator | Oct 2025 |
| 22 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Oct 2025 |
| 23 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 24 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Oct 2025 |
| 25 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 26 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 27 | Petro Drilling & Producing Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 28 | Pfed Operating | Keller, TX 76248 | Oil Operator | Oct 2025 |
| 29 | Phillips & Pierson | Olney, TX 76374 | Oil & Gas Operator | Nov 1995 |
| 30 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 31 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jan 2025 |
| 32 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 33 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 34 | Plantation Operating Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Oct 2025 |
| 35 | Platinum Properties Inc. | Wichita Falls, TX 76301 | Oil Operator | Aug 2003 |
| 36 | Playa Minerals & Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Nov 2003 |
| 37 | Pobres Incorporated | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2008 |
| 38 | Pogue, Randall R. | Ada, OK 74820 | Oil & Gas Operator | May 2003 |
| 39 | Portana Properties LLC | McKinney, TX 75072 | Oil Operator | Oct 2025 |
| 40 | Powder River Resources, LLC | Archer City, TX 76351 | Oil & Gas Operator | Oct 2025 |
| 41 | Pro. Energy I Resource, LLC | Haslet, TX 76052 | Oil Operator | Oct 2025 |
| 42 | Pryor Petroleum Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |