Oil & Gas Companies in Greenwood County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | R & W Energies - | | Oil Operator | Sep 1995 |
| 2 | R & W Energies LLC | Eureka, KS 67045 | Oil Operator | Jun 2025 |
| 3 | R & W Energies-Agency Account | | Oil Operator | Jan 1996 |
| 4 | R F Oil | | Oil & Gas Operator | Oct 1992 |
| 5 | Raney Oil Company, LLC | Lawrence, KS 66049 | Oil & Gas Operator | Jun 2025 |
| 6 | Remco Ener Corpo | | Oil & Gas Operator | Dec 1994 |
| 7 | RH Capital-Beets, LLC | Jefferson City, MO 65101 | Oil Operator | Jun 2025 |
| 8 | Rig 6 Drilling Co., Inc. | Bronson, KS 66716 | Oil Operator | Oct 2019 |
| 9 | Ritchie C Stewar | | Oil Operator | Aug 1982 |
| 10 | Ritchie Exploration, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jun 2025 |
| 11 | Ron-Bob Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Jun 2025 |
| 12 | Rude Crude | | Oil Operator | Jun 2025 |
| 13 | Rupe Oil Company, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for Greenwood County, KS and for the production period listed.