Oil & Gas Companies in Columbiana County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Eastern States Oil & Gas, Inc. | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2020 |
| 2 | Energy Resources Of America Inc | North Jackson, OH 44451 | Oil & Gas Operator | Dec 2022 |
| 3 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2026 |
| 4 | Environmental Exp Co | North Canton, OH 44720 | Oil & Gas Operator | Dec 1998 |
| 5 | EOG Ohio, LLC | New Albany, OH 43054-2646 | Oil & Gas Operator | Dec 2025 |
| 6 | Eric Petroleum Corp | Austintown, OH 44515-1053 | Oil & Gas Operator | Dec 2025 |
| 7 | Everflow Eastern Partners LP | Canfield, OH 44406 | Oil & Gas Operator | Dec 2025 |
| 8 | Exco - North Coast Energy Inc | Kittanning, PA 16201 | Oil & Gas Operator | Dec 2018 |
Production numbers shown above are only for Columbiana County, OH and for the production period listed.