Oil & Gas Companies in Harrison County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
| 2 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2025 |
| 3 | Unoco, Inc. | Kerrville, TX 78029 | Oil & Gas Operator | Jan 1999 |
| 4 | Uptex Operating Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2011 |
| 5 | Uptex Operating, L.P. | Dallas, TX 75201 | Oil & Gas Operator | May 2010 |
| 6 | Ursus Oil And Gas | Tyler, TX 75703 | Oil & Gas Operator | Oct 2025 |
| 7 | Us. Fuels, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Harrison County, TX and for the production period listed.