Oil & Gas Companies in Kansas
| Company Name | Company Location | Company Type | Most Recent Production |
| 201 | Trumart Oil Comp | | Oil Operator | May 1990 |
| 202 | Trumart Oil Company | Ellis, KS 67637 | Oil Operator | Dec 2000 |
| 203 | Tubbs Patrick | Neodesha, KS 66757 | Oil Operator | Sep 2008 |
| 204 | Tucker, Carl H., Jr. | Independence, KS 67301 | Oil Operator | Jul 1996 |
| 205 | Tucker, Stephen A. | Independence, KS 67301 | Oil Operator | Feb 2009 |
| 206 | Turnco Drilling, Inc. | Portland, OR 97208 | Oil & Gas Operator | Dec 2009 |
| 207 | Tutcher, Dan C. | Houston, TX 77002 | Oil Operator | Dec 2004 |
| 208 | Tuthill & Barbee | Amarillo, TX 79101 | Oil & Gas Operator | Nov 1994 |
| 209 | Twin Eagle Petro | | Oil Operator | Aug 1990 |
| 210 | Twin M, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Dec 2025 |
| 211 | Twin Star Petrol | | Oil & Gas Operator | Jan 1989 |
| 212 | Twinoco | Caney, KS 67333 | Oil Operator | Nov 1996 |
| 213 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 214 | TWM Production Co., A General Partnership | Chanute, KS 66720 | Oil Operator | Nov 2025 |
| 215 | Tyco Incorporate | | Oil & Gas Operator | Oct 1995 |
| 216 | Tyco Oil Co. | | Oil Operator | Oct 2025 |
| 217 | Tyluka Operations, LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 218 | Tyro Oil Develop | | Oil Operator | Jul 1991 |
| 219 | Tyrok | | Oil & Gas Operator | Nov 2010 |
Production numbers shown above are only for Kansas and for the production period listed.