Oil & Gas Companies in Rooks County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | R. D. Finnesy Oil | | Oil Operator | Nov 2019 |
| 2 | R. P. Nixon Operations, Inc | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 3 | Raelee Oil LLC | Plainville, KS 67663 | Oil Operator | Jul 2021 |
| 4 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 5 | Ram Petroleum Co | | Oil & Gas Operator | Sep 1983 |
| 6 | Rampike Resources LTD | Denver, CO 80202 | Oil Operator | Jul 2025 |
| 7 | Raney Oil Company, LLC | Lawrence, KS 66049 | Oil & Gas Operator | Jun 2025 |
| 8 | Range Oil Compan | | Oil & Gas Operator | Nov 1995 |
| 9 | Rebel Oil LLC | | Oil Operator | Jun 2025 |
| 10 | Reilly Oil Company, Inc. | Wakeeney, KS 67672 | Oil Operator | Jun 2025 |
| 11 | RGN Company, Inc. | Stockton, KS 67669 | Oil Operator | Apr 2025 |
| 12 | Richardson J Mar | | Oil & Gas Operator | Apr 1995 |
| 13 | Rider Oil & Gas | | Oil Operator | Aug 1991 |
| 14 | Rim Oil Company | Hays, KS 67601 | Oil Operator | Jun 2001 |
| 15 | Rine Exploration | | Oil & Gas Operator | Jul 1994 |
| 16 | Ritchie Explorat | | Oil & Gas Operator | Dec 1996 |
| 17 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jun 2025 |
| 18 | River Road Production, LLC | Hays, KS 67601 | Oil Operator | Feb 1997 |
| 19 | Rosel Energy, Inc. | Liberal, KS 67901 | Oil & Gas Operator | Jul 2004 |
| 20 | Roy Farr Heirs | | Oil Operator | Jun 2013 |
| 21 | Rupe Oil Company, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jun 2025 |
| 22 | Rush, Terry L. | Wakeeney, KS 67672 | Oil Operator | Jun 2025 |
| 23 | Russell Oil, Inc. | Edmond, OK 73083 | Oil Operator | Jun 2025 |
Production numbers shown above are only for Rooks County, KS and for the production period listed.