| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | PDC Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Jul 2025 |
| 2 | Petro Mex Resources | Oil & Gas Operator | Aug 2025 | |
| 3 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 4 | Piceance Energy LLC | Oil & Gas Operator | Jul 2025 | |
| 5 | Piceance Operating Company LLC | Gas Operator | Oct 2006 | |
| 6 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Jun 2025 |
| 7 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 8 | Presco Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2020 |