| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
| 2 | Mexco Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 3 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |
| 4 | Mortimer Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2003 |
| 5 | Mortimer Production Company | San Antonio, TX 78209 | Oil & Gas Operator | Oct 2025 |