| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Pathex Petroleum, Inc | Gas Operator | Dec 2013 | |
| 2 | Petro-Canada Resources (USA) | Oil & Gas Operator | Dec 2009 | |
| 3 | Petrowest Energy Co Inc | Oil & Gas Operator | Dec 2024 | |
| 4 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Aug 2025 |