Oil & Gas Companies in Harper County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | M & M Exploration, Inc. | Westminster, CO 80031 | Oil & Gas Operator | Jul 2025 |
| 2 | M E Klein & Associates, Inc. | Norman, OK 73070 | Oil & Gas Operator | Jun 2025 |
| 3 | M M Energy, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Jul 2025 |
| 4 | M.T.M. Petroleum | | Oil & Gas Operator | Oct 1995 |
| 5 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Jul 2025 |
| 6 | Marathon Oil Com | | Oil & Gas Operator | Dec 1996 |
| 7 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Aug 2025 |
| 8 | McCoy Petroleum | | Oil & Gas Operator | Aug 1996 |
| 9 | McCoy Petroleum Corporation | Wichita, KS 67207 | Oil & Gas Operator | Aug 2025 |
| 10 | McGinness Oil Co | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 11 | Messenger Petroleum, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Jun 2025 |
| 12 | Metro Energy Group, Inc. | Bossier City, LA 71112 | Oil & Gas Operator | May 2013 |
| 13 | Mid America Ener | | Oil Operator | Nov 1993 |
| 14 | Mid-America Energy Company, Inc. | Lebanon, MO 65536 | Oil Operator | Jul 2003 |
| 15 | Mid-Continent En | | Oil & Gas Operator | Nov 1995 |
| 16 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
| 17 | Mike Kelso Oil, Inc. | Chase, KS 67524 | Oil & Gas Operator | Jun 2025 |
| 18 | Mobil Oil Corpor | | Oil & Gas Operator | Dec 1996 |
| 19 | Molz Oil Company | Kiowa, KS 67070 | Oil & Gas Operator | Jul 2025 |
| 20 | MTM Petroleum, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Jun 2025 |
| 21 | Mull Drilling Company | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 22 | Murfin Drilling | | Oil & Gas Operator | Jul 1997 |
| 23 | Murfin Drilling Company Inc | Wichita, KS 67202 | Oil & Gas Operator | Aug 2025 |
Production numbers shown above are only for Harper County, KS and for the production period listed.