| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | G L M Company | Oil Operator | Jun 2025 | |
| 2 | G-D Oil Operations | Oil Operator | May 1997 | |
| 3 | Globe Operating, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2019 |
| 4 | Goodin Raymond M | Oil Operator | Mar 1988 | |
| 5 | Grand Mesa Operating Co | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 6 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 |
| 7 | Greene Enterprises, Inc. | Gillette, WY 82717 | Oil Operator | Dec 2009 |
| 8 | Guinn Investments, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2018 |