| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Paladin Energy Partners LLC | Oil & Gas Operator | Dec 2006 | |
| 2 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
| 3 | PDC Energy Inc | Denver, CO 80203 | Oil & Gas Operator | Jul 2025 |
| 4 | Peakview Operating Company, LLC | Oil & Gas Operator | Jun 2025 | |
| 5 | Peterson Energy Operating Inc | Oil & Gas Operator | Aug 2025 | |
| 6 | Petroleum Resource Management Corp. | Oil & Gas Operator | Aug 2025 | |
| 7 | Petroshare Corporation | Oil & Gas Operator | Jan 2024 | |
| 8 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 9 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Jun 2025 |
| 10 | Poc-I LLC | Oil Operator | Aug 2025 |