| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Garfield Oil Com | Gas Operator | Jan 1984 | |
| 2 | Glacier Petroleu | Oil & Gas Operator | Nov 1995 | |
| 3 | Globe Operating, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Dec 2019 |
| 4 | Goby Energy, Inc. | Glenwood Springs, CO 81601 | Oil Operator | Dec 2019 |
| 5 | Grand Mesa Operating Company | Wichita, KS 67206 | Oil & Gas Operator | Feb 2024 |
| 6 | Griggs Oil Incor | Oil & Gas Operator | May 1994 |