Oil & Gas Companies in McPherson County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 201 | Smoky Valley Res | | Oil & Gas Operator | Dec 1995 |
| 202 | Southern Gas Inc | | Gas Operator | Jan 1987 |
| 203 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 204 | Sunflower Well Service, Inc. | Canton, KS 67428 | Oil & Gas Operator | Aug 2025 |
| 205 | T & G Oil Operations LLC | | Oil Operator | Sep 2025 |
| 206 | T & L Production | | Oil Operator | May 1987 |
| 207 | Te-Pe Oil & Gas | | Oil & Gas Operator | Sep 2025 |
| 208 | Teichgraeber Oil, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Dec 2024 |
| 209 | Tenneco Oil Comp | | Oil & Gas Operator | Aug 1995 |
| 210 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Oct 2025 |
| 211 | Tom Brown Construction, Inc. | Astor, FL 32102 | Oil Operator | Sep 2025 |
| 212 | Tomkat Limited | | Oil & Gas Operator | Jul 1995 |
| 213 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 214 | Troyer, Wayne A. | Galva, KS 67443 | Oil Operator | Jun 1997 |
| 215 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2023 |
| 216 | Unruh, Elmer | Galva, KS 67443 | Oil & Gas Operator | Aug 1998 |
| 217 | V & R Oil | | Oil Operator | Sep 2025 |
| 218 | Victory Minerals LLC | Kansas City, MO 64141 | Oil Operator | Sep 2025 |
| 219 | Vincent Oil Corp | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 220 | Vintage Petroleu | | Oil & Gas Operator | Dec 1995 |
| 221 | Voigt O & G Comp | | Oil & Gas Operator | Nov 1993 |
| 222 | WD Oil Company I | | Oil Operator | Apr 1986 |
| 223 | Western Properti | | Oil Operator | Oct 1987 |
| 224 | Westgate Oil Com | | Oil Operator | Mar 1993 |
| 225 | Westgate Oil Company, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Nov 2025 |
| 226 | White Hawk Oil C | | Oil & Gas Operator | Sep 1995 |
| 227 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Sep 2025 |
| 228 | White Hawk Oil Company, LLP | Tulsa, OK 74103 | Oil Operator | Sep 2025 |
| 229 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Sep 2025 |
| 230 | Xenex Incorporat | | Oil Operator | Mar 1991 |
Production numbers shown above are only for McPherson County, KS and for the production period listed.