Oil & Gas Companies in Cowley County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Maco Incorporate | | Oil Operator | Jun 1984 |
| 2 | Magnatex Petrole | | Oil Operator | Jun 1994 |
| 3 | Magnatex Petroleum | | Oil Operator | Apr 1993 |
| 4 | Magnusson Karl E | | Oil Operator | Apr 1987 |
| 5 | Marjo Incorporat | | Oil & Gas Operator | Jun 1990 |
| 6 | Marmik Oil Company | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2015 |
| 7 | Marrs, Richard L.(Deceased) | Arkansas City, KS 67005 | Oil & Gas Operator | Feb 2013 |
| 8 | Martec Petroleum | | Oil Operator | Jan 1984 |
| 9 | Martin Oil Produ | | Oil & Gas Operator | Dec 1994 |
| 10 | Maxcrude, LLC | Winfield, KS 67156 | Oil & Gas Operator | Jun 2025 |
| 11 | McCarty Francis | | Oil Operator | Sep 1993 |
| 12 | McCorgary Operations | | Oil & Gas Operator | Jun 2025 |
| 13 | McNeish Oil Oper | | Oil & Gas Operator | Feb 1991 |
| 14 | McNeish Oil Operations | | Oil Operator | Nov 2019 |
| 15 | McPherson Drilling Co. | | Oil Operator | Jan 1998 |
| 16 | Mdopps, LLC | Wichita, KS 67203 | Oil Operator | Apr 2023 |
| 17 | Mid Western Oil | | Oil Operator | Oct 1989 |
| 18 | Mid-Continent Energy Corp. | Wichita, KS 67208 | Oil & Gas Operator | Jun 2025 |
| 19 | Midnight Energy Operating LLC | Drumright, OK 74030 | Oil Operator | Jun 2025 |
| 20 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 21 | Millennium Oil & Gas Inc | Dexter, KS 67038 | Oil & Gas Operator | Dec 2024 |
| 22 | MLT Energy, LLC | Derby, KS 67037 | Oil Operator | Jun 2025 |
| 23 | Musgrove Casey O | | Oil Operator | Oct 1993 |
| 24 | Musgrove Energy Inc | Ponca City, OK 74602 | Oil & Gas Operator | Feb 2025 |
| 25 | MW Oil, Inc | | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for Cowley County, KS and for the production period listed.