Oil & Gas Companies in Harris County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | W. R. G. Oil & Gas, Inc. | Arlington, TX 76013 | Oil & Gas Operator | Dec 1993 |
| 2 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 3 | Waldrop, L. E. | Houston, TX 77024 | Oil & Gas Operator | Jun 1996 |
| 4 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 5 | WBR, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 1995 |
| 6 | Western Energy Group, LLC | Leander, TX 78641 | Oil & Gas Operator | Oct 2025 |
| 7 | Western Gulf Oil & Gas Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jul 2000 |
| 8 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
| 9 | WFMMS, Inc. | Batson, TX 77519 | Oil & Gas Operator | Oct 2025 |
| 10 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Oct 2025 |
| 11 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 12 | Williams, H. E. | Houston, TX 77002 | Oil & Gas Operator | Dec 1994 |
| 13 | Wilson Oil Co. | Houston, TX 77263 | Oil & Gas Operator | Oct 2025 |
| 14 | Womack Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jul 2025 |
| 15 | Wood Energy Corporation | Baytown, TX 77520 | Oil & Gas Operator | Jun 1999 |
| 16 | WRD Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 17 | WRT Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | May 1998 |
Production numbers shown above are only for Harris County, TX and for the production period listed.