Oil & Gas Companies in Bexar County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | R & A Moore, Inc. | Cleburne, TX 76033 | Oil & Gas Operator | Oct 2025 |
| 2 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Oct 2025 |
| 3 | Rainer Energy, Inc. | Weatherford, TX 76086 | Oil & Gas Operator | Oct 2025 |
| 4 | Ralyn Corp. | Pleasanton, TX 78064 | Oil & Gas Operator | Oct 2025 |
| 5 | Ram Operating Inc. | Browns, IL 62818 | Oil & Gas Operator | Aug 2008 |
| 6 | Raol Company, The | Natalia, TX 78059 | Oil & Gas Operator | Oct 2025 |
| 7 | Rec Well Service, Inc. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2008 |
| 8 | Red Chalk Resources LLC | Houston, TX 77218 | Oil Operator | Oct 2025 |
| 9 | Regency Energy, Inc. | Crystal City, TX 78839 | Oil & Gas Operator | Oct 2025 |
| 10 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Oct 2025 |
| 11 | Ria Mia Corporation | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2011 |
| 12 | Richardson Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2003 |
| 13 | Rickaway Energy, Corp. | Pleasanton, TX 78064 | Oil & Gas Operator | Oct 2025 |
| 14 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Oct 2025 |
| 15 | Rlu Operating, LLC | Devine, TX 78016 | Oil & Gas Operator | Oct 2025 |
| 16 | Roemer, David E. | Somerset, TX 78069 | Oil Operator | Oct 2025 |
| 17 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 18 | RPG Operating LLC | MC Queeney, TX 78123 | Oil Operator | Oct 2025 |
| 19 | Runion Oil, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Aug 2003 |
| 20 | Rushing Oil Co. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Bexar County, TX and for the production period listed.