| 1 | P&P Industries, Inc. | Austin, TX 78737 | Oil & Gas Operator | Dec 2002 |
| 2 | Pactola Development Co | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2004 |
| 3 | Palo Petroleum, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Apr 2024 |
| 4 | Pan Petroleum Corp. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 5 | Paragon Oil & Gas, LLC | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
| 6 | Pardue Oil | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 7 | Patriot Operating Company, Inc. | Houston, TX 77008 | Oil & Gas Operator | Sep 2003 |
| 8 | Patterson Energy Corporation | Dallas, TX 75205 | Oil & Gas Operator | Apr 2024 |
| 9 | Patton, Lloyd | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 10 | Pautsky, Jimmy | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 11 | Permian Surveys | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 12 | Petro 2000 Exploration Co. | Katy, TX 77450 | Oil & Gas Operator | Nov 2011 |
| 13 | Petroleum Land Company | Abilene, TX 79606 | Oil & Gas Operator | May 2000 |
| 14 | Petrolia Group, L.L.C. | Katy, TX 77449 | Oil & Gas Operator | Apr 2024 |
| 15 | Petrosource Energy Corporation | Fort Worth, TX 76112 | Oil & Gas Operator | Apr 2024 |
| 16 | Pickett Oil Co. | Gonzales, TX 78629 | Oil & Gas Operator | Oct 2019 |
| 17 | Pillows, Burl A. | Houston, TX 77062 | Oil & Gas Operator | Apr 2024 |
| 18 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 19 | Pitts, Charles Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 1997 |
| 20 | Porter, E. J. | Mingus, TX 76463 | Gas Operator | Jan 2011 |
| 21 | Prairie Production | San Antonio, TX 78228 | Oil & Gas Operator | Apr 2024 |
| 22 | Precision Drilling Company, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Nov 1995 |
| 23 | Premier Royalties, L.L.C. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
| 24 | Premium Exploration Company | Early, TX 76803 | Oil & Gas Operator | Apr 2024 |
| 25 | Prentice Petroleum, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Sep 1994 |
| 26 | Pro Oil & Gas Inc | Frankfort, IL 60423 | Oil & Gas Operator | May 2014 |
| 27 | Prospecta Energy Group, Inc. | Brownwood, TX 76801 | Oil Operator | Apr 2024 |
| 28 | Pruitt Engineering & Petro. Co. | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2007 |