Oil & Gas Companies in Willacy County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Reef Exploration, Inc. (A-1) | Richardson, TX 75080 | Oil & Gas Operator | Oct 2006 |
| 2 | Reveille Resources | Houston, TX 77084 | Oil & Gas Operator | Apr 2011 |
| 3 | Reveille Resources (Texas), Inc. | Houston, TX 77084 | Oil & Gas Operator | Jan 2013 |
| 4 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Oct 2025 |
| 5 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
| 6 | Risco La Sara Operations, LLC | Houston, TX 77056 | Oil & Gas Operator | Aug 2014 |
Production numbers shown above are only for Willacy County, TX and for the production period listed.