| 1 | Pablo Energy II, LLC | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2025 |
| 2 | Pace Exploration LLC | Tulsa, OK 74133 | Oil & Gas Operator | May 2025 |
| 3 | Pan Western Energy Corporation | Tulsa, OK 74114 | Oil & Gas Operator | Oct 2025 |
| 4 | Paradigm Twenty LLC | Stillwater, OK 74074-1745 | Oil & Gas Operator | May 2025 |
| 5 | Paramount Petroleum Corp | Dallas, TX 75374 | Oil Operator | Dec 2000 |
| 6 | Parker & Parsley Dev Co | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 7 | Parwest Land Exploration, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jun 2025 |
| 8 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
| 9 | Patina Oklahoma Corp | Duncan, OK 73533-9523 | Oil & Gas Operator | Nov 2014 |
| 10 | Patriot Petroleum Co LLC | Coppell, TX 75019-4216 | Oil & Gas Operator | Jan 2013 |
| 11 | Pawnee Petroleum Company | Seminole, OK 74868-0951 | Oil & Gas Operator | Feb 2023 |
| 12 | Payneco Pipeline Company | Yale, OK 74085 | Oil & Gas Operator | Dec 2000 |
| 13 | Paystone Oil Corporation | Tulsa, OK 74105 | Oil Operator | Mar 2009 |
| 14 | Pease George W Jr | Fairfax, OK 74637 | Oil & Gas Operator | Mar 1998 |
| 15 | Pelto Oil Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 16 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 17 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Jul 2025 |
| 18 | Petro Warrior LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 19 | Petroleum Resources Co | Wichita, KS 67206 | Oil & Gas Operator | May 2000 |
| 20 | Petron Energy Inc | Dallas, TX 75252 | Oil & Gas Operator | Oct 2025 |
| 21 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Oct 2025 |
| 22 | Phillips Oil Operating Co | Enid, OK 73703-4921 | Oil & Gas Operator | May 2019 |
| 23 | Phillips, Warren P | | Oil & Gas Operator | Apr 2011 |
| 24 | Pinnacle Corporation (The) | Broken Arrow, OK 74012 | Oil & Gas Operator | Nov 2014 |
| 25 | Pinnacle Operating Company LLC | Tulsa, OK 74137 | Oil & Gas Operator | Jun 2025 |
| 26 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 27 | Plumb Resources, Inc. | Houston, TX 77096 | Oil & Gas Operator | Jun 1998 |
| 28 | Pogue Randall | Ada, OK 74821-1547 | Oil & Gas Operator | Apr 2014 |
| 29 | Polaris Petroleum Operations LLC | Branson West, MO 65737 | Oil & Gas Operator | May 2019 |
| 30 | Pollard Jr G W | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2015 |
| 31 | Post Oak Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 2013 |
| 32 | Powell James S | Cleveland, OK 74020 | Oil Operator | Jun 2025 |
| 33 | Premier Gas Company LLC | Durant, OK 74701 | Oil Operator | Mar 2025 |
| 34 | Presley Petroleum Company | Newport Beach, CA 92658-2200 | Oil & Gas Operator | Oct 1999 |
| 35 | Pri Producing Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
| 36 | Producers Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2007 |
| 37 | Pulliam Dennis L | Mannford, OK 74044-9733 | Oil & Gas Operator | Nov 2001 |
| 38 | Pulliam Melvin | Mannford, OK 74044 | Oil & Gas Operator | Jul 2019 |