| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Gas Producing En | Oil & Gas Operator | Nov 1983 | |
| 2 | Gemini Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2025 |
| 3 | General Atlantic | Gas Operator | Jan 1970 | |
| 4 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 5 | Giles, Benjamin M. | Towanda, KS 67144 | Oil & Gas Operator | Oct 2016 |
| 6 | Gore Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 7 | Gra Ex, LLC | Kingman, KS 67068 | Oil & Gas Operator | Oct 2023 |
| 8 | Graham-Michaelis | Oil & Gas Operator | Nov 1996 | |
| 9 | Grand Mesa Operating Co | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 10 | Graves Drilling | Oil & Gas Operator | Sep 1995 |