Oil & Gas Companies in Bexar County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Magnum Oilfield Services LLC | Bakersfield, CA 93309 | Oil Operator | Feb 2026 |
| 2 | Mallory, Meredith, Jr. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2002 |
| 3 | Mandujano, Alfonso & Olga | Von Ormy, TX 78073 | Oil & Gas Operator | Dec 2014 |
| 4 | Mandujano, Alfonso, Jr. | Von Ormy, TX 78073 | Oil Operator | Feb 2026 |
| 5 | Mark IV Energy | San Antonio, TX 78213 | Oil & Gas Operator | Apr 1993 |
| 6 | McOsker Bros., Inc. | San Antonio, TX 78264 | Oil & Gas Operator | Aug 2003 |
| 7 | MDF Oil Company | Floresville, TX 78114 | Oil Operator | Feb 2026 |
| 8 | Mexco Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
| 9 | Mge Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Oct 2025 |
| 10 | MGR Resources | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 11 | Mims, William S. | Pleasanton, TX 78064 | Oil Operator | Jun 2009 |
| 12 | Miranda Energy Corporation | Midland, TX 79705 | Oil & Gas Operator | Jun 2016 |
| 13 | Mobile Production Systems, Inc. | Austin, TX 78711 | Oil & Gas Operator | Feb 1995 |
| 14 | Mojave Resources, LLC | New Braunfels, TX 78132 | Oil Operator | Feb 2026 |
| 15 | More Texas Oil | Von Ormy, TX 78073 | Oil & Gas Operator | Feb 2026 |
| 16 | MPG Petroleum | San Antonio, TX 78217 | Oil & Gas Operator | Aug 2003 |
| 17 | MPG Petroleum, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 18 | Mr Oil Company | Monahans, TX 79756 | Oil & Gas Operator | Nov 2004 |
Production numbers shown above are only for Bexar County, TX and for the production period listed.