| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Geo. R. Shaw Living Trust | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 2 | Global Natural R | Oil & Gas Operator | Oct 1990 | |
| 3 | Graham-Michaelis | Oil & Gas Operator | Nov 1996 | |
| 4 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Dec 2023 |
| 5 | Griffin, Charles N. | Pratt, KS 67124 | Oil & Gas Operator | Dec 2023 |
| 6 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |