| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Feb 2024 |
| 2 | Mack Energy Co. | Duncan, OK 73534 | Oil & Gas Operator | Feb 2024 |
| 3 | Masada Oil & Gas | Quanah, TX 79252 | Oil & Gas Operator | May 2024 |
| 4 | Mendell Petroleum Corporation | Castle Rock, CO 80104-9045 | Oil & Gas Operator | Sep 2004 |
| 5 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
| 6 | Minor Mark | Alvarado, TX 76009-0151 | Oil Operator | Nov 2015 |
| 7 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 8 | Mud Operations Inc | Ames, OK 73718-9501 | Oil & Gas Operator | Feb 2024 |