Oil & Gas Companies in Chautauqua County, NY
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | G.L. Olson, Inc. | Dewittville, NY 14728 | Gas Operator | Dec 2024 |
| 2 | Gage, Charles J. | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 3 | Gemini Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 4 | GFS Energy, Inc. | | Gas Operator | Dec 2016 |
| 5 | Gier'S Farm Service, Inc. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 6 | Great Lakes Conf. Of The Evangelical Covenant | Dewittville, NY 14728 | Gas Operator | Dec 2024 |
| 7 | Greenridge Oil Company LLC | Mill Valley, CA 94942 | Oil & Gas Operator | Dec 2024 |
| 8 | Greenway Energy LLC | Mayville, NY 14757 | Oil & Gas Operator | Dec 2024 |
| 9 | Griffith, Michael P. | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 10 | Growers Co-Operative Grape Juice Company, Inc | | Gas Operator | Dec 2018 |
| 11 | Gustafson Family Trust 2 | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 12 | Gustafson, Alan | Falconer, NY 14733 | Gas Operator | Dec 2024 |
Production numbers shown above are only for Chautauqua County, NY and for the production period listed.