Oil & Gas Companies in Seneca County, NY
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | A.D.C.O. Well Services Inc. | Waterloo, NY 13165 | Gas Operator | Dec 2024 |
| 2 | Covert, Christopher P. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 3 | DJS Farms Inc. | Waterloo, NY 13165 | Gas Operator | Dec 2024 |
| 4 | Empire Energy E&P, LLC | Mayville, NY 14757 | Oil & Gas Operator | Mar 2019 |
| 5 | Greenway Energy LLC | Mayville, NY 14757 | Oil & Gas Operator | Dec 2024 |
| 6 | Martin, Landis | Geneva, NY 14456 | Gas Operator | Dec 2024 |
| 7 | Minard Run Oil Co | Bradford, PA 16701 | Oil & Gas Operator | Dec 2024 |
| 8 | Mumford, Catherine | Waterloo, NY 13165 | Gas Operator | Dec 2024 |
| 9 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jun 2025 |
| 10 | Rasmussen'S Energy, Inc. | Waterloo, NY 13165 | Gas Operator | Dec 2024 |
| 11 | Reserve Energy Exploration Company | Chagrin Falls, OH 44023 | Gas Operator | Dec 2024 |
| 12 | Seitz Farms, Inc. | Phelps, NY 14532 | Gas Operator | Dec 2024 |
| 13 | Seneca Stone Corporation | Seneca Falls, NY 13148 | Gas Operator | Dec 2024 |
Production numbers shown above are only for Seneca County, NY and for the production period listed.