Oil & Gas Companies in Rush County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 2 | Saxon Oil Company | Dallas, TX 75204 | Oil & Gas Operator | Oct 2009 |
| 3 | Scheck Oil Operation | | Oil & Gas Operator | Jun 2025 |
| 4 | Schlobohm Starr | | Oil Operator | Dec 1996 |
| 5 | Schreiber Oil Co. | | Oil Operator | Dec 2009 |
| 6 | Shaw Robert Lesl | | Oil Operator | Oct 1989 |
| 7 | Shelby Resources LLC | Denver, CO 80207 | Oil & Gas Operator | Jun 2025 |
| 8 | Slawson, Donald C. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2025 |
| 9 | Southwind Petroleum Corp. | Wichita, KS 67203 | Oil & Gas Operator | Jun 2022 |
| 10 | Special Energy Corporation | Stillwater, OK 74076 | Oil & Gas Operator | Oct 2025 |
| 11 | Spindletop Oil & | | Oil Operator | Jun 1993 |
| 12 | Staab Oil Co., A General Partnership | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 13 | Strabala Joseph | | Oil Operator | Jan 1992 |
| 14 | Summit Operating LLC | Boulder, CO 80301 | Oil & Gas Operator | Aug 2025 |
| 15 | Sunburst Explora | | Oil Operator | May 1990 |
Production numbers shown above are only for Rush County, KS and for the production period listed.