Oil & Gas Companies in Texas
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | X-L Energy Company | El Paso, TX 79902 | Oil & Gas Operator | Oct 2025 |
| 2 | X72 Operating Corp. | Plano, TX 75025 | Oil & Gas Operator | Oct 2025 |
| 3 | XCL-Texas, Inc. | Lafayette, LA 70503 | Oil & Gas Operator | Nov 2000 |
| 4 | Xenon Energy, Inc. | Plano, TX 75074 | Oil & Gas Operator | Aug 2003 |
| 5 | Xeric Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Jul 1997 |
| 6 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 7 | Xet, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2017 |
| 8 | Xhorizons Energy LLC | Houston, TX 77079 | Oil Operator | Oct 2025 |
| 9 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 10 | Xog Resources, LLC | Spring, TX 77379 | Oil & Gas Operator | Oct 2025 |
| 11 | Xophi Energy, LLC | Arlington, TX 76006 | Oil & Gas Operator | Oct 2025 |
| 12 | Xplor Energy Operating Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 2012 |
| 13 | Xplore Operating, LLC | Arlington, TX 76001 | Oil & Gas Operator | Oct 2025 |
| 14 | Xstar Resources LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2025 |
| 15 | Xta Resources LLC | Del Valle, TX 78617 | Oil & Gas Operator | Oct 2025 |
| 16 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 |
| 17 | XTO Offshore Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2010 |
| 18 | Xtra Energy, LLC | Fort Worth, TX 76161 | Oil & Gas Operator | Oct 2025 |
| 19 | Xtreme Operating Company LLC | Flower Mound, TX 75022 | Oil Operator | Oct 2025 |
| 20 | Xyz Oil, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Texas and for the production period listed.