| 1 | Pangea Corporation | San Angelo, TX 76904 | Oil & Gas Operator | Sep 2026 |
| 2 | Panhandle Oil & Gas Inc | Oklahoma City, OK 73112-5688 | Oil & Gas Operator | May 2007 |
| 3 | Patrick & Hadley | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 4 | Patrick, G.R. | Nocona, TX 76255 | Oil Operator | Sep 2026 |
| 5 | Patrick, George & Patrick, Roger | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 6 | Payne, W. C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2005 |
| 7 | Peak Flow Operating&Drilling LP | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2011 |
| 8 | Peba Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 2015 |
| 9 | Peba Oil & Gas, Inc. | Nocona, TX 76255 | Oil & Gas Operator | Sep 2026 |
| 10 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 11 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Jun 2026 |
| 12 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 2026 |
| 13 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Sep 2026 |
| 14 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2026 |
| 15 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 16 | Petrocorp Incorporated,A TX.Corp | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2005 |
| 17 | PG-M International Operating,LLC | Borger, TX 79008 | Oil & Gas Operator | Sep 2026 |
| 18 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 19 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Jun 2026 |
| 20 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Jul 2026 |
| 21 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 22 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Sep 2026 |
| 23 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 24 | Pop Operating Company | Denton, TX 76202 | Oil & Gas Operator | Sep 2026 |
| 25 | Poteet Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 1994 |
| 26 | Precise Development, Inc. | Austin, TX 78709 | Oil & Gas Operator | May 2005 |
| 27 | Precision Operating Inc. | Richardson, TX 75080 | Oil & Gas Operator | Jul 2014 |
| 28 | Price, W. H. | Granbury, TX 76048 | Oil & Gas Operator | Jun 2024 |
| 29 | Primera Energy, LLC | Longview, TX 75606 | Oil & Gas Operator | Mar 2016 |
| 30 | Producers Operating Co Inc | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2026 |
| 31 | Pruitt Oil & Gas | Decatur, TX 76234 | Oil & Gas Operator | Feb 2018 |
| 32 | Publishers Petroleum | Dallas, TX 75219 | Oil & Gas Operator | Aug 2003 |