Oil & Gas Companies in Greenwood County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Taylor Oil Co. | Edmond, OK 73034 | Oil & Gas Operator | Jun 2025 |
| 2 | Teichgraeber Oil | | Oil Operator | Nov 1995 |
| 3 | Teichgraeber Oil Co. | | Oil Operator | Dec 1994 |
| 4 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2024 |
| 5 | Thomsen Brothers Co., LLC | Lamont, KS 66855 | Oil Operator | Jun 2025 |
| 6 | Thornton Drilling Company Ptrnship | Eureka, KS 67045 | Oil Operator | Jun 2010 |
| 7 | Three D Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 8 | Three Rivers Exploration LLC | Olpe, KS 66865 | Oil Operator | Sep 2023 |
| 9 | Timberline Oil & | | Oil & Gas Operator | Jul 1995 |
| 10 | TM Enterprises, Inc. | Wichita, KS 67278 | Oil Operator | Jun 2025 |
| 11 | Tremo Corporation | Toronto, KS 66777 | Oil Operator | May 1998 |
| 12 | Trimble & Maclaskey Oil LLC | Gridley, KS 66852 | Oil Operator | Jun 2025 |
| 13 | Triple "S" Well Service, Inc. | Eureka, KS 67045 | Oil Operator | Apr 2025 |
| 14 | Triple S Well Se | | Oil Operator | Dec 1996 |
| 15 | Triple Seven, Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Nov 1997 |
| 16 | Tyrok | | Oil & Gas Operator | Nov 2010 |
Production numbers shown above are only for Greenwood County, KS and for the production period listed.