Oil & Gas Companies in Rush County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | T & P Oil & Gas, L.L.C. | Overland Park, KS 66212 | Oil Operator | Dec 2009 |
| 2 | Taos Resources Operating Co LLC | Houston, TX 77037 | Oil & Gas Operator | Dec 2019 |
| 3 | Tengasco, Inc. | Houston, TX 77063 | Oil & Gas Operator | Jun 2025 |
| 4 | Thomas Garner, Inc. | St John, KS 67576 | Oil & Gas Operator | Jun 2025 |
| 5 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2025 |
| 6 | Tomlinson, Sid | Hays, KS 67601 | Oil & Gas Operator | Sep 2002 |
| 7 | Trans Pacific Oi | | Oil & Gas Operator | May 1995 |
| 8 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jul 2025 |
| 9 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | Oct 2025 |
| 10 | Tri United, Inc | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 11 | Triunited Investors, LLC | Monte Sereno, CA 95030 | Oil Operator | May 2012 |
Production numbers shown above are only for Rush County, KS and for the production period listed.