Oil & Gas Companies in Grimes County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2025 |
| 2 | Eagle Valley Development LLC | Austin, TX 78738 | Oil & Gas Operator | Oct 2023 |
| 3 | East Texas Production MGT. Inc | Athens, TX 75751 | Oil & Gas Operator | Dec 2025 |
| 4 | Edco Energy, Inc. | Austin, TX 78738 | Oil & Gas Operator | May 2003 |
| 5 | Elk Energy Holdings LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 6 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 7 | Energy & Expl. PRTNRS Oper., LP | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2016 |
| 8 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | Aug 2025 |
| 9 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 10 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 11 | Et Gathering & Processing LLC | Dallas, TX 75225 | Oil Operator | Dec 2024 |
| 12 | Etc Texas Pipeline, LTD. | Dallas, TX 75225 | Oil Operator | Sep 2023 |
| 13 | Etx Energy, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2022 |
| 14 | Evolution Operating Co., Inc. | Houston, TX 77079 | Oil & Gas Operator | Dec 2025 |
| 15 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
| 16 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2025 |
Production numbers shown above are only for Grimes County, TX and for the production period listed.