| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Marquee Corporation | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 2 | Martin Exploration Co. | Oil & Gas Operator | Apr 1986 | |
| 3 | McGowan Working Partners | Jackson, MS 39296 | Oil & Gas Operator | Dec 2000 |
| 4 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Dec 2025 |
| 5 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
| 6 | Mineral Ventures, Inc. | Oil & Gas Operator | Dec 2024 |