Oil & Gas Companies in Allegany County, NY
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Heather & Randy Iantorno Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 2 | Helmhold Oil Incorporated | Wellsville, NY 14895 | Oil Operator | Dec 2024 |
| 3 | Hess, Jay E. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 4 | Hewitt Oil, LLC | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 5 | Hogan Energy, Inc. | | Oil & Gas Operator | Dec 2015 |
| 6 | Hollenbeck, Lloyd D. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 7 | Hungerford Oil Partners | Williamsville, NY 14221 | Oil Operator | Dec 2024 |
| 8 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2025 |
Production numbers shown above are only for Allegany County, NY and for the production period listed.