| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | G L M Company | Oil Operator | Jun 2025 | |
| 2 | Gager, Sally | Hays, KS 67601 | Oil Operator | Feb 1998 |
| 3 | Galloway Drillin | Oil Operator | Dec 1996 | |
| 4 | Glickman Incorpo | Oil Operator | Jun 1988 | |
| 5 | Gore Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 6 | Grand Mesa Operating Co | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 7 | Great Eastern En | Oil & Gas Operator | Nov 1995 | |
| 8 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 |