Oil & Gas Companies in Maverick County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Edco Energy, Inc. | Austin, TX 78738 | Oil & Gas Operator | May 2003 |
| 2 | El Toro Resources LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 2025 |
| 3 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 4 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 5 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
| 6 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 7 | Esco Oil Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 8 | Espada Operating LLC | San Antonio, TX 78209 | Oil Operator | Oct 2025 |
| 9 | Et Gathering & Processing LLC | Dallas, TX 75225 | Oil Operator | Dec 2024 |
| 10 | European-Southwest Co. | Houston, TX 77254 | Oil & Gas Operator | Oct 2025 |
| 11 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jun 2025 |
| 12 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
| 13 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
Production numbers shown above are only for Maverick County, TX and for the production period listed.