Oil & Gas Companies in Cooke County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 2 | Eagleridge Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Oct 2025 |
| 3 | Ebs Oil & Gas Partners Op.Co.,LP | Dallas, TX 75219 | Oil & Gas Operator | May 2006 |
| 4 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Jul 2025 |
| 5 | Eldred Prod And Consulting, LLC | Nocona, TX 76255 | Oil Operator | Oct 2025 |
| 6 | Eleon Operators, LLC | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 7 | Elson Oil Company | Tulsa, OK 74103-4429 | Oil & Gas Operator | Dec 2016 |
| 8 | Empire Oil Company | Coppell, TX 75019 | Oil & Gas Operator | Oct 2025 |
| 9 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 10 | Encore Energy, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 11 | Energy Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 12 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | May 2025 |
| 13 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 14 | Enexco, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Mar 2017 |
| 15 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
| 16 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 17 | Esp Energy, LLC | Nocona, TX 76255 | Oil Operator | Oct 2025 |
Production numbers shown above are only for Cooke County, TX and for the production period listed.