| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | M R Ventures LLC | Dallas, TX 75367 | Oil & Gas Operator | Mar 2026 |
| 2 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Apr 2026 |
| 3 | Matrex LLC | Gas Operator | May 2006 | |
| 4 | Miller Energy Company II LLC | Oil & Gas Operator | Mar 2026 | |
| 5 | Miller Raymond V | Oil Operator | Jul 2007 | |
| 6 | Moskowitz Charles J | Oil Operator | Feb 2014 | |
| 7 | Moskowitz Oil & Gas LLC | Oil Operator | Dec 2025 | |
| 8 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Jun 2026 |