Oil & Gas Companies in Grayson County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2026 |
| 2 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Feb 2026 |
| 3 | Elson Oil Company | Tulsa, OK 74103-4429 | Oil & Gas Operator | Dec 2016 |
| 4 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 5 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2025 |
| 6 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | Jan 2026 |
| 7 | Enerquest Oil & Gas LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2026 |
| 8 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 9 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 10 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 11 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 12 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jan 2026 |
| 13 | Export Petroleum Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Apr 2026 |
| 14 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Apr 2026 |
Production numbers shown above are only for Grayson County, TX and for the production period listed.