Oil & Gas Companies in Erath County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Feb 2026 |
| 2 | Marshall, Sam | Granbury, TX 76048 | Oil & Gas Operator | Aug 2010 |
| 3 | Marshall, Samuel Meek, Estate Of | Granbury, TX 76048 | Oil & Gas Operator | Apr 2026 |
| 4 | Medders Oil Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 5 | Mehaffey Investments, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Apr 2026 |
| 6 | Merenco | Midland, TX 79702 | Oil & Gas Operator | Dec 1996 |
| 7 | Merimac Investments, Inc. | Fort Worth, TX 76109 | Oil & Gas Operator | Jan 1997 |
| 8 | Mid Texas Natural Gas | Kyle, TX 78640 | Oil & Gas Operator | May 2019 |
| 9 | Miller Operating Company LLC | Lafayette, LA 70598 | Oil & Gas Operator | Apr 2026 |
| 10 | Mingus Oil & Gas | Mingus, TX 76463 | Oil & Gas Operator | Apr 2026 |
| 11 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 12 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2026 |
| 13 | Modern Exploration, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Apr 2026 |
| 14 | Morris R. Greenhaw Oil&Gas, Inc | Desdemona, TX 76445 | Oil & Gas Operator | Apr 2026 |
| 15 | Mosaic Oil LLC | Dallas, TX 75205 | Oil & Gas Operator | Apr 2026 |
| 16 | Mosaic Texas LLC | Dallas, TX 75205 | Oil & Gas Operator | Apr 2026 |
Production numbers shown above are only for Erath County, TX and for the production period listed.