| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | P & M Petroleum Management LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2021 |
| 2 | P.O.&G. Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 3 | Padco LLC | Oil & Gas Operator | Mar 2023 | |
| 4 | Pape Oilfield Service Inc | Oil & Gas Operator | Dec 2012 | |
| 5 | Par Pacific Holdings Inc | Oil & Gas Operator | Jun 2010 | |
| 6 | Peterson Energy Operating Inc | Loveland, CO 80537 | Oil & Gas Operator | Oct 2025 |
| 7 | Petro Operating Company LLC | Oil & Gas Operator | Sep 2025 | |
| 8 | Petro-Canada Resources (USA) Inc | Denver, CO 80202-472 | Oil & Gas Operator | Feb 2010 |
| 9 | Petron Development Company | Oil & Gas Operator | Sep 2020 | |
| 10 | Phoenix Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Jul 2022 |
| 11 | Puckett-Warren Oil Co | Oil Operator | Dec 2004 |