Oil & Gas Companies in Medina County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Haass Ranch Oil Company, LLC | Castroville, TX 78009 | Oil Operator | Sep 2026 |
| 2 | Hardin, W.V. Estate | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2002 |
| 3 | Hardwick, Ross H. Oil Company | Devine, TX 78016 | Oil & Gas Operator | Sep 2026 |
| 4 | Harmony Drilling Company, Inc. | Denver, CO 80222 | Oil & Gas Operator | Nov 2016 |
| 5 | HCM | Dallas, TX 75206 | Oil & Gas Operator | Mar 2015 |
| 6 | Herber, Carl R. | Denton, TX 76205 | Oil & Gas Operator | Apr 2014 |
| 7 | Holloway Oil Company | Austin, TX 78764 | Oil & Gas Operator | Feb 2004 |
| 8 | Hughes, Dan A. Company | Beeville, TX 78104 | Oil & Gas Operator | May 2006 |
Production numbers shown above are only for Medina County, TX and for the production period listed.