| 1 | Page Lew Barron | | Oil Operator | Dec 2024 |
| 2 | Page Roger L | | Oil Operator | Aug 2005 |
| 3 | Pan American Petroleum Corp | | Oil & Gas Operator | Nov 1988 |
| 4 | Pangborn Tom Dba Pangborn Exploration | | Oil & Gas Operator | Jan 1993 |
| 5 | Paragon Oil Co | | Oil & Gas Operator | Oct 1991 |
| 6 | Pasadena Oil And Gas Corp | | Oil & Gas Operator | Dec 2001 |
| 7 | Pathway Resources LLC | | Oil Operator | Sep 2025 |
| 8 | Patrick Exploration Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 9 | Patrick Petroleum Corp Of Michigan | | Oil & Gas Operator | Nov 1993 |
| 10 | Pats Rent All | | Oil Operator | Jul 2002 |
| 11 | Paxton Resources LLC | | Oil & Gas Operator | Oct 2025 |
| 12 | Peninsular Oil & Gas Co | Ada, MI 49301 | Oil & Gas Operator | Dec 2001 |
| 13 | Perry C A And Son Inc | | Oil & Gas Operator | Dec 1994 |
| 14 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Sep 2025 |
| 15 | Petro Hunt Inc Of Kentucky | | Oil & Gas Operator | Dec 2006 |
| 16 | Petro Vest Operating LLC | | Oil Operator | Aug 2013 |
| 17 | Petroleum Development Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 18 | Petromax Oil And Gas Inc | | Oil & Gas Operator | Dec 1988 |
| 19 | Phillips Exploration Inc | Warrendale, PA 15086 | Oil & Gas Operator | Dec 2012 |
| 20 | Presidio Exploration, Inc. | Englewood, CO 80155 | Oil & Gas Operator | May 1999 |
| 21 | Presidium Energy LC | | Oil & Gas Operator | Jul 2016 |
| 22 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 23 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2025 |
| 24 | Pure Oil Co | | Oil & Gas Operator | Dec 1996 |
| 25 | Putnam Energy LLC | | Oil Operator | Sep 2014 |