| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Mauro J. Dentino | Oil Operator | Dec 2025 | |
| 2 | Meritage Homes Of California Inc. | Oil Operator | Dec 2020 | |
| 3 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 2007 |
| 4 | Mobil Oil Exploration & Production North America Inc. | Oil & Gas Operator | Dec 1996 | |
| 5 | Monterey Resources Inc. | Oil & Gas Operator | Dec 1997 | |
| 6 | Mutz Oil Operator | Oil Operator | Dec 1988 |