| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | General Petroleu | Oil Operator | Nov 1988 | |
| 2 | Graham-Michaelis | Oil & Gas Operator | Nov 1996 | |
| 3 | Graves Drilling | Oil & Gas Operator | Sep 1995 | |
| 4 | Griggs Oil Incor | Oil & Gas Operator | May 1994 | |
| 5 | Gross William R | Oil Operator | Feb 1986 | |
| 6 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Dec 2023 |