| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Glacier Petroleu | Oil & Gas Operator | Nov 1995 | |
| 2 | Great Plains Pet | Oil & Gas Operator | Mar 1995 | |
| 3 | Green, Robert W | Ottawa, KS 66067 | Oil Operator | Nov 1987 |
| 4 | Greer Oil Compan | Oil & Gas Operator | Jun 1988 | |
| 5 | Groshong Oil, LLC | Wellsville, KS 66092 | Oil Operator | May 2025 |
| 6 | Guinotte Company LLC | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 7 | Gustison Steven | Oil Operator | Feb 1985 |