Oil & Gas Companies in Ontario County, NY
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Brock Acres Farm | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 2 | Brocklebank, Terry K. | Canandaigua, NY 14424 | Gas Operator | Dec 2024 |
| 3 | Bronson, Joshua C. | Canandaigua, NY 14424 | 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 | Hannold, Allan & Yolanda | Bloomfield, NY 14469 | Gas Operator | Dec 2024 |
| 7 | Haylandia, LLC | Bloomfield, NY 14469 | Gas Operator | Dec 2024 |
| 8 | PPP Future Development Inc. | Alexander, NY 14005 | Oil & Gas Operator | Dec 2024 |
| 9 | Seneca Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2017 |
| 10 | Spike, David C. And Arlene M. | Bloomfield, NY 14469 | Gas Operator | Dec 2024 |
Production numbers shown above are only for Ontario County, NY and for the production period listed.