| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | G & S Drilling Company | Oil & Gas Operator | Dec 2019 | |
| 2 | Gpo Energy, LLC | Walton, WV 25286 | Oil & Gas Operator | Dec 2020 |
| 3 | Greylock Conventional, LLC | Charleston, WV 25311 | Oil & Gas Operator | Sep 2025 |
| 4 | Ground Resources, LLC | Oil & Gas Operator | Dec 2021 | |
| 5 | Guernsey Petroleum Corporation | Atlanta, GA 30318 | Oil & Gas Operator | Nov 1997 |