Oil & Gas Companies in Trumbull County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | C & T Energy Of East Canton Inc | East Canton, OH 44730 | Oil & Gas Operator | Dec 2024 |
| 2 | Cambrian Hunter Inc | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 3 | Carless Resources, Inc. | Cambridge, OH 43725 | Oil & Gas Operator | Dec 1997 |
| 4 | Carper Ruth A& Henthorn Jr W D | Pataskala, OH 43062 | Oil & Gas Operator | Dec 2024 |
| 5 | Cascade Petroleum Inc | North Canton, OH 44720-4244 | Oil & Gas Operator | Dec 1992 |
| 6 | Cedar Valley Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2021 |
| 7 | Cgas Exploration | Charleston, WV 25301 | Oil & Gas Operator | Dec 2006 |
| 8 | Champion-Park Gas Corporation | Warren, OH 44483 | Oil & Gas Operator | Dec 2023 |
| 9 | Chesapeake Appalachia LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2025 |
| 10 | Chevron Appalachia, LLC | Corapolis, PA 15108 | Oil & Gas Operator | Jul 2020 |
| 11 | Clinton Gas Marketing Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 12 | Cobra Resources LLC | N Jackson, OH 44451 | Oil & Gas Operator | Dec 2024 |
| 13 | Columbia Gas Transmission, LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 14 | Consortium Energy LLC | Tallmadge, OH 44278 | Oil & Gas Operator | Dec 2024 |
| 15 | Crissinger Robert A Inc | Strongsville, OH 44136 | Oil & Gas Operator | Dec 2003 |
Production numbers shown above are only for Trumbull County, OH and for the production period listed.