| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | C & D Gas Co | Apollo, PA 15613-9714 | Oil & Gas Operator | Dec 2023 |
| 2 | Carnegie Production Co | Charleston, WV 25328 | Oil & Gas Operator | Dec 2017 |
| 3 | Castle Gas Company Inc | Pittsburgh, PA 15236-2466 | Oil & Gas Operator | Dec 2007 |
| 4 | Christine Marie Exploration LP | Indiana, PA 15701-0515 | Oil & Gas Operator | Dec 2023 |
| 5 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Feb 2024 |
| 6 | Cobra Resources LLC | N Jackson, OH 44451 | Oil & Gas Operator | Dec 2023 |
| 7 | Columbia Natural Res Inc | Charleston, WV 25362-0070 | Gas Operator | Dec 2008 |
| 8 | Connie J & Ronald L Yeany | Fairmount City, PA 16224-1903 | Gas Operator | Dec 2023 |
| 9 | Consol Gas Company | Canonsburg, PA 15317 | Oil & Gas Operator | Dec 2021 |