Oil & Gas Companies in Upshur County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 2 | Walker'S Well Service | Gladewater, TX 75647 | Oil & Gas Operator | Aug 2003 |
| 3 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 4 | Weiser-Brown Oil Co | Magnolia, AR 71754 | Oil Operator | Jan 2025 |
| 5 | West Mountain Operating Co, Inc. | Longview, TX 75604 | Oil & Gas Operator | Feb 2019 |
| 6 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 7 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 8 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Oct 2025 |
| 9 | Wilson Hydrocarbon Inc. | Houston, TX 77066 | Oil & Gas Operator | Oct 2025 |
| 10 | Winchester Production Company | Shreveport, LA 71129 | Oil & Gas Operator | Nov 2008 |
Production numbers shown above are only for Upshur County, TX and for the production period listed.