Oil & Gas Companies in Galveston County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Wacker Oil Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 2 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2026 |
| 3 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
| 4 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 5 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 6 | Weber Energy Corporation | Dallas, TX 75219 | Oil & Gas Operator | Feb 2017 |
| 7 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Apr 2026 |
| 8 | Whittington Operating Company | Houston, TX 77069 | Oil & Gas Operator | Apr 2026 |
| 9 | Womack Operating, LLC. | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
| 10 | Wood Energy Corporation | Baytown, TX 77520 | Oil & Gas Operator | Jun 1999 |
Production numbers shown above are only for Galveston County, TX and for the production period listed.