| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Mai Oil Operations, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2024 |
| 2 | Mai Operations | Oil Operator | Dec 1996 | |
| 3 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Feb 2025 |
| 4 | Marathon Oil Com | Oil & Gas Operator | Dec 1996 | |
| 5 | Marmac Petroleum | Oil & Gas Operator | Oct 1994 | |
| 6 | Martin Oil Produ | Oil & Gas Operator | Dec 1994 | |
| 7 | McCoy Petroleum Corporation | Wichita, KS 67207 | Oil & Gas Operator | Mar 2025 |
| 8 | Merica Oil Operating Company LLC | Frisco, TX 75034 | Oil Operator | Dec 2024 |
| 9 | Mesa Petroleum C | Oil & Gas Operator | Dec 1986 | |
| 10 | Mid-Continent En | Oil & Gas Operator | Nov 1995 | |
| 11 | Mull Drilling Company | Wichita, KS 67206 | Oil & Gas Operator | Feb 2025 |
| 12 | Murfin Drilling Company Inc | Wichita, KS 67202 | Oil & Gas Operator | Mar 2025 |
| 13 | Mustang Drilling | Oil & Gas Operator | Nov 1996 | |
| 14 | Mustang Energy Corporation | Hays, KS 67601 | Oil Operator | Dec 2024 |
| 15 | MW Oil, Inc | Oil & Gas Operator | Dec 2024 |