Oil & Gas Companies in Bexar County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Cactus Gas & Oil, Inc. | San Antonio, TX 78259 | Oil & Gas Operator | Oct 2025 |
| 2 | Calame, Richard | Devine, TX 78016 | Oil Operator | Oct 2025 |
| 3 | Caldwell, J. A. | San Antonio, TX 78223 | Oil & Gas Operator | Jun 2000 |
| 4 | Calfas Cattle & Oil, LLC | San Antonio, TX 78205 | Oil Operator | Oct 2025 |
| 5 | Calfas Oil, LLC | San Antonio, TX 78205 | Oil Operator | Oct 2025 |
| 6 | Calk Oil Company | Lytle, TX 78052 | Oil Operator | Oct 2025 |
| 7 | Calk Operating, LLC | Lytle, TX 78052 | Oil Operator | Oct 2025 |
| 8 | Calk, Roger D. | Lytle, TX 78052 | Oil & Gas Operator | Oct 2025 |
| 9 | Cap Operating Inc. | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 10 | Carter, Shirley Oil Co | Round Rock, TX 78665 | Oil & Gas Operator | Jun 2018 |
| 11 | Casias Oil Well Service, Inc. | San Antonio, TX 78232 | Oil & Gas Operator | Jul 2020 |
| 12 | Caspen Operating Company | Somerset, TX 78069 | Oil & Gas Operator | Mar 2008 |
| 13 | CBR Oil Company | Lytle, TX 78052 | Oil & Gas Operator | Jul 1997 |
| 14 | CG Oil Co. | San Antonio, TX 78232 | Oil & Gas Operator | Mar 2011 |
| 15 | Cibolo Production, LLC | Boerne, TX 78006 | Oil Operator | Jan 2020 |
| 16 | Civron Petroleum Res., LLC | San Antonio, TX 78229 | Oil & Gas Operator | Oct 2025 |
| 17 | Clamp Operating | San Antonio, TX 78264 | Oil & Gas Operator | Apr 2002 |
| 18 | Clamp Operating Incorporated | San Antonio, TX 78264 | Oil & Gas Operator | Mar 2011 |
| 19 | Clark, G. A., Trustee | San Antonio, TX 78210 | Oil & Gas Operator | Nov 2017 |
| 20 | Columbia Energy Properties, Inc. | Baytown, TX 77521 | Oil & Gas Operator | Jul 2004 |
| 21 | Copestone Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Bexar County, TX and for the production period listed.