Oil & Gas Companies in Cowley County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | T & R Oil Company, A General Partnership | Moline, KS 67353 | Oil Operator | Dec 2019 |
| 2 | T & W Ward Oil LLC | Blackwell, OK 74631 | Oil Operator | Jun 2025 |
| 3 | T J D Oil Compan | | Oil Operator | Feb 1989 |
| 4 | Tallgrass Explor | | Oil Operator | Sep 1987 |
| 5 | Taos Resources Operating Co LLC | Houston, TX 77037 | Oil & Gas Operator | Dec 2019 |
| 6 | Taylor Oil Co. | Edmond, OK 73034 | Oil & Gas Operator | Jun 2025 |
| 7 | Te-Pe Oil & Gas | | Oil & Gas Operator | Jun 2025 |
| 8 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2024 |
| 9 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Jun 2025 |
| 10 | Texaco Explorati | | Oil & Gas Operator | Dec 1996 |
| 11 | TGT Petroleum Co | | Oil & Gas Operator | Apr 1995 |
| 12 | The Pyramid Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2009 |
| 13 | The Trees Oil Company | Wichita, KS 67208 | Oil & Gas Operator | Nov 2014 |
| 14 | Thomas Garner, Inc. | St John, KS 67576 | Oil & Gas Operator | Jun 2025 |
| 15 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 16 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2025 |
| 17 | Tomco Oil Incorp | | Oil Operator | Nov 1989 |
| 18 | Tomco Oil, Inc. | Atlanta, KS 67008 | Oil & Gas Operator | Jun 2025 |
| 19 | Toto Energy, LLC | Spring, TX 77380 | Oil & Gas Operator | Dec 2019 |
| 20 | TR Crude LLC | Independence, KS 67301 | Oil Operator | Aug 2024 |
| 21 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jul 2025 |
| 22 | Trees Oil Compan | | Oil Operator | Jan 1995 |
| 23 | Triple G Oilfiel | | Oil & Gas Operator | Dec 1985 |
| 24 | Troy Jaco, Inc. | Sherman, TX 75091 | Oil Operator | Dec 2018 |
| 25 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2025 |
Production numbers shown above are only for Cowley County, KS and for the production period listed.