Oil & Gas Companies in Rooks County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | G L M Company | | Oil Operator | Jun 2025 |
| 2 | G-D Oil Oper - D | | Oil Operator | Apr 1990 |
| 3 | Garo Investment Company | Tempe, AZ 85284 | Oil Operator | Aug 2020 |
| 4 | Gene Karlin Company | | Oil Operator | Nov 2015 |
| 5 | Geodessa Corpora | | Oil Operator | Jul 1984 |
| 6 | Goby Energy, Inc. | Glenwood Springs, CO 81601 | Oil Operator | Dec 2019 |
| 7 | Gore Oil Company | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 8 | Graham-Michaelis | | Oil & Gas Operator | Nov 1996 |
| 9 | Graham-Michaelis Corporation | Wichita, KS 67201 | Oil & Gas Operator | Dec 2010 |
| 10 | Grand Mesa Operating Co | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 11 | Graves Drilling | | Oil & Gas Operator | Sep 1995 |
| 12 | Great Plains Energy, Inc. | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 |
| 13 | Green J R & Jerr | | Oil Operator | Dec 1991 |
| 14 | Green, J. R. | Hays, KS 67601 | Oil Operator | Mar 2005 |
| 15 | Griggs Oil Incor | | Oil & Gas Operator | May 1994 |
Production numbers shown above are only for Rooks County, KS and for the production period listed.