| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | C & C Producing LLC | Creston, OH 44217 | Oil & Gas Operator | Dec 2023 |
| 2 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Jan 2024 |
| 3 | Carroll Resources | Loudonville, OH 44842 | Oil & Gas Operator | Dec 1998 |
| 4 | Cedar Valley Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2021 |
| 5 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
| 6 | Christa Oil Co | Cumberland, OH 43732 | Oil & Gas Operator | Nov 1999 |
| 7 | Clear Creek Oil Co | Nova, OH 44859 | Oil & Gas Operator | Dec 2018 |
| 8 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |