| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | P & M Petroleum Management LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
| 2 | Pecos Development Corporation | San Antonio, TX 78209 | Oil Operator | Aug 1988 |
| 3 | Pennaco Energy Incorporated | Gillette, WY 82718 | Oil & Gas Operator | Feb 2021 |
| 4 | Petro-Canada Resources (USA) Inc | Denver, CO 80202-472 | Oil & Gas Operator | Feb 2010 |
| 5 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 6 | Powder Battalion Holdings LLC | Sheridan, WY 82801 | Gas Operator | Dec 2023 |