Oil & Gas Companies in Texas
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Z&G Operating | Wichita Falls, TX 76302 | Oil Operator | Sep 2011 |
| 2 | Z/F Little Buddy, L.P. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2000 |
| 3 | Zachary Oil Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2023 |
| 4 | Zachris, Inc. | Mansfield, TX 76063 | Oil Operator | Oct 2021 |
| 5 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2025 |
| 6 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Oct 2025 |
| 7 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
| 8 | Zachry Oil And Gas Properties | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 9 | Zachry Operating | Midland, TX 79708 | Oil & Gas Operator | Jan 2011 |
| 10 | Zachry, H. B. Company | San Antonio, TX 78205 | Oil & Gas Operator | Apr 1994 |
| 11 | Zackson Resources, Inc. | Houston, TX 77063 | Oil & Gas Operator | Oct 2025 |
| 12 | Zadeck Energy Group | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 13 | Zaf Oil | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2002 |
| 14 | Zagava, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 15 | Zajac Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Oct 2025 |
| 16 | Zapata-Fender, L. L. C. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2001 |
| 17 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 18 | Zavala Independent Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2007 |
| 19 | Zaza Energy, LLC | Houston, TX 77010 | Oil & Gas Operator | Oct 2025 |
| 20 | Zebra Oil And Gas | Lubbock, TX 79423 | Oil & Gas Operator | Aug 2002 |
| 21 | Zebra Oil Company | El Campo, TX 77437 | Oil & Gas Operator | Oct 2025 |
| 22 | Zelaya Oil And Gas, LLC | Premont, TX 78375 | Oil & Gas Operator | Oct 2025 |
| 23 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2025 |
| 24 | Zenith Oil & Gas, LLC | Kilgore, TX 75663 | Oil & Gas Operator | May 2025 |
| 25 | Zephyr Lone Star Oper Co.,L.L.C. | Oklahoma City, OK 73118 | Oil & Gas Operator | Oct 2025 |
| 26 | Ziegler-Peru, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 2019 |
| 27 | Zilkha Energy Company | Houston, TX 77046 | Oil & Gas Operator | Oct 2002 |
| 28 | Zingara Grimes, LLC | Dallas, TX 75205 | Oil & Gas Operator | Oct 2025 |
| 29 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |
| 30 | Zinn Petroleum Co. | Houston, TX 77024 | Oil & Gas Operator | Nov 2021 |
| 31 | Zivney Energy | White Oak, TX 75693 | Oil & Gas Operator | Oct 2025 |
| 32 | ZK Petroleum Co., L.L.C. | Houston, TX 77057 | Oil Operator | Oct 2025 |
| 33 | Zoe Oil & Energy, LP | Fort Worth, TX 76148 | Oil & Gas Operator | Oct 2025 |
| 34 | Zone Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Jan 2025 |
| 35 | Zorra Oil & Gas | Dilley, TX 78017 | Oil & Gas Operator | Oct 2025 |
| 36 | ZSX, Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Jul 1997 |
| 37 | ZTC Petro Investments LP | Houston, TX 77056 | Oil & Gas Operator | May 2020 |
| 38 | ZTH Operating, LLC | Troup, TX 75789 | Oil & Gas Operator | Oct 2025 |
| 39 | Zzron Inc. | Midland, TX 79704 | Oil & Gas Operator | Aug 2003 |
Production numbers shown above are only for Texas and for the production period listed.