| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Pa Mineral SVCS LLC | Indiana, PA 15701 | Oil & Gas Operator | Dec 2025 |
| 2 | PDC Mountaineer LLC | Wexford, PA 15090-3400 | Oil & Gas Operator | Dec 2017 |
| 3 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Apr 2026 |
| 4 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 5 | Petro Dev Corp | Bridgeport, WV 26330-0026 | Oil & Gas Operator | Dec 2013 |
| 6 | Phillips Exploration Inc | Warrendale, PA 15086 | Oil & Gas Operator | Dec 2012 |
| 7 | Phillips Prod Co | Oil & Gas Operator | Dec 2011 |