| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | P & E Oil | Oil & Gas Operator | Dec 2024 | |
| 2 | Paine Petroleum Company LLC | Oil Operator | Dec 2013 | |
| 3 | Parklan Oil | Oil Operator | Dec 2016 | |
| 4 | Pathex Petroleum, Inc | Gas Operator | Dec 2013 | |
| 5 | Peak Nebraska Acquisitions, LLC | Oil Operator | Dec 2010 | |
| 6 | Peterson Energy Operating | Oil Operator | Dec 2021 | |
| 7 | Petro-Canada Resources (USA) | Oil & Gas Operator | Dec 2009 | |
| 8 | Petrowest Energy Co Inc | Oil & Gas Operator | Dec 2024 | |
| 9 | Pioneer Operations, LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 10 | Platte Valley Oil Co Inc | Ralston, NE 68127 | Oil Operator | Jun 2025 |
| 11 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Aug 2025 |