Oil & Gas Companies in Madison County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Walsh Resources, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Oct 2025 |
| 2 | WCS Oil & Gas Corporation | Dallas, TX 75209 | Oil & Gas Operator | Aug 2021 |
| 3 | Weber Energy Corporation | Dallas, TX 75219 | Oil & Gas Operator | Feb 2017 |
| 4 | Westco Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Oct 2025 |
| 5 | Wheeler Operating Corporation | Fort Worth, TX 76109 | Oil & Gas Operator | Oct 2025 |
| 6 | Wildfire Energy Operating LLC | Houston, TX 77224 | Oil & Gas Operator | Oct 2025 |
| 7 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Oct 2025 |
| 8 | Williams, Clayton W., Jr., Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
| 9 | Wilson, Don H., Inc. | Elkhart, TX 75839 | Oil & Gas Operator | May 2019 |
| 10 | Woodbine Acquisition LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2014 |
| 11 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 12 | Wortham Oil & Gas | Conroe, TX 77301 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Madison County, TX and for the production period listed.