| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Machin & Associates, Inc. | Longview, TX 75606 | Oil & Gas Operator | Oct 2025 |
| 2 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Aug 2025 |
| 3 | Marlan Anderson | Oil Operator | Jan 2025 | |
| 4 | Marlin Exploration, Inc. | Oil & Gas Operator | Oct 2006 | |
| 5 | Mid South Oil & Gas Expl Inc | Oil & Gas Operator | Jan 1992 | |
| 6 | Moran Oil Co., Inc. | Oil & Gas Operator | Aug 2009 |