| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ter Ex Inc | Butler, PA 16002-8638 | Gas Operator | Dec 1994 |
| 2 | Texas Keystone Inc | Oakmont, PA 15139-2072 | Oil & Gas Operator | Nov 2017 |
| 3 | The Gas & Oil Company LLC | Apollo, PA 15613 | Oil & Gas Operator | Dec 2025 |
| 4 | The Production Co | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2012 |
| 5 | The Production Co LLC | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2020 |
| 6 | Turm Oil Inc | Oil & Gas Operator | Dec 2025 | |
| 7 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |