Oil & Gas Companies in Terrell County, TX
|  | Company Name | Company Location | Company Type | Most Recent Production | 
|---|
| 1 | El Ran, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Oct 2025 | 
| 2 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 | 
| 3 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | May 2025 | 
| 4 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | May 2025 | 
| 5 | Enertex, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1995 | 
| 6 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 | 
| 7 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 | 
| 8 | Epic Permian Operating, LLC | Arvada, CO 80006 | Oil & Gas Operator | Jan 2025 | 
| 9 | Ernmar Investments, Inc. | Edmond, OK 73083 | Oil & Gas Operator | Oct 2025 | 
| 10 | Etc Field Services LLC | San Antonio, TX 78258 | Oil Operator | Jun 2018 | 
| 11 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 | 
Production numbers shown above are only for Terrell County, TX and for the production period listed.