| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | M & D Oil And Gas, LLC | Sterling, KS 67579 | Oil Operator | Jun 2025 |
| 2 | M K Oil Company | Gillette, WY 82717-3470 | Oil & Gas Operator | Jul 2025 |
| 3 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Jul 2025 |
| 4 | McGinness Oil Co | Wichita, KS 67202 | Oil & Gas Operator | Dec 2019 |
| 5 | Melland Drilling | Oil Operator | Nov 1992 | |
| 6 | Merritt Oil Comp | Oil Operator | Jan 1990 | |
| 7 | Mid-American Hyd | Oil & Gas Operator | Jan 1992 | |
| 8 | Mike Kelso Oil, Inc. | Chase, KS 67524 | Oil & Gas Operator | Jun 2025 |
| 9 | Milburn, Harold J. | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2003 |