Oil & Gas Companies in Butler County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | M G Oil Inc | Russell, KS 67665 | Oil Operator | Jun 2025 |
| 2 | Manns' Atp, Inc. | Potwin, KS 67123 | Oil Operator | Jun 2025 |
| 3 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Aug 2025 |
| 4 | Martin Oil Produ | | Oil & Gas Operator | Dec 1994 |
| 5 | Max Oil Company | Blackwell, OK 74631 | Oil & Gas Operator | Apr 2024 |
| 6 | Max Oil LLC | Andover, KS 67002 | Oil Operator | Dec 2019 |
| 7 | McCarthy Oil Co. | | Oil Operator | Dec 1998 |
| 8 | McClelland Oil - | | Oil Operator | Dec 2009 |
| 9 | McCoy Petroleum Corporation | Wichita, KS 67207 | Oil & Gas Operator | Aug 2025 |
| 10 | McCoy Production | El Dorado, KS 67042 | Oil Operator | Dec 2019 |
| 11 | McGinnis Oil | | Oil & Gas Operator | Dec 2002 |
| 12 | Mem Partnership LP, A General Partnership | Spring, TX 77393 | Oil Operator | Jun 2025 |
| 13 | Mercer Oil & Gas Co. | Norman, OK 73070 | Oil & Gas Operator | Apr 2015 |
| 14 | Merrico Resource | | Oil Operator | Dec 1996 |
| 15 | Michael D. Traylor LLC | El Dorado, KS 67042 | Oil Operator | Jun 2025 |
| 16 | Midwest Turf | El Dorado, KS 67042 | Oil Operator | Jun 1998 |
| 17 | Midwestern Suppl | | Oil Operator | Oct 1986 |
| 18 | Morris Richard B | | Oil Operator | Dec 1996 |
| 19 | Murfin Drilling | | Oil & Gas Operator | Jul 1997 |
| 20 | Murfin Drilling Company Inc | Wichita, KS 67202 | Oil & Gas Operator | Aug 2025 |
| 21 | Musgrove Produci | | Oil Operator | May 1989 |
| 22 | Musgrove Producing | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 23 | Mustang Drilling | | Oil & Gas Operator | Nov 1996 |
| 24 | MW Oil, Inc | | Oil & Gas Operator | Jun 2025 |
| 25 | MWK Petroleum, LLC | Augusta, KS 67010 | Oil Operator | Jun 2025 |
Production numbers shown above are only for Butler County, KS and for the production period listed.