| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | T & F Exploration, LP | Pittsburgh, PA 15241-1375 | Oil & Gas Operator | Oct 2025 |
| 2 | T & T Compression Inc | Clymer, PA 15728-1014 | Gas Operator | Dec 2025 |
| 3 | Target Energy Inc | Indiana, PA 15701-1135 | Oil & Gas Operator | Dec 2013 |
| 4 | Texas Keystone Inc | Oakmont, PA 15139-2072 | Oil & Gas Operator | Nov 2017 |
| 5 | The Gas & Oil Company LLC | Apollo, PA 15613 | Oil & Gas Operator | Dec 2025 |
| 6 | Timberline Energy Inc | Franklin, PA 16323-0269 | Oil & Gas Operator | Dec 2025 |
| 7 | Turm Oil Inc | Oil & Gas Operator | Dec 2025 | |
| 8 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |