| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Maranatha Petroleum Inc. | Oil & Gas Operator | Aug 2025 | |
| 2 | Mariposa Petroleum Co. | Gas Operator | Dec 1980 | |
| 3 | McFarland Energy, Inc. | New Orleans, LA 70160 | Oil & Gas Operator | Dec 2009 |
| 4 | Monterey Resources Inc. | Oil & Gas Operator | Dec 1997 | |
| 5 | Monument Production Inc. | Oil & Gas Operator | Dec 2011 |