Oil & Gas Companies in Zapata County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 2 | Rancho Blanco Corporation | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1995 |
| 3 | Ray Jr. Co., Inc. | Pleasanton, TX 78064 | Oil & Gas Operator | Oct 2025 |
| 4 | Reef Exploration, L.P. | Richardson, TX 75080 | Oil & Gas Operator | Oct 2025 |
| 5 | Reichmann Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Oct 2025 |
| 6 | Remora Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 7 | Ress Production Co. | Farmington, NM 87499 | Oil & Gas Operator | Oct 2025 |
| 8 | Richman Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2006 |
| 9 | Ricochet Energy, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Oct 2025 |
| 10 | Ridgeline Energy Inc. | Miami, FL 33130 | Oil & Gas Operator | Oct 2025 |
| 11 | Rio Exploration Company | San Antonio, TX 78209 | Gas Operator | Dec 2005 |
| 12 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 13 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Oct 2025 |
| 14 | RMB Operating LLC | Lubbock, TX 79493 | Oil & Gas Operator | Oct 2025 |
| 15 | Rme Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Nov 2016 |
| 16 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Oct 2025 |
| 17 | RMX Oil & Gas, LLC | Zapata, TX 78076 | Oil Operator | Oct 2025 |
| 18 | Rockdale Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2020 |
| 19 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Oct 2025 |
| 20 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
| 21 | Rudman Partnership, The | Dallas, TX 75201 | Oil & Gas Operator | Dec 2014 |
Production numbers shown above are only for Zapata County, TX and for the production period listed.