Oil & Gas Companies in Coleman County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | E.G. Operating | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 2 | Eagle Capital Partners, LLC | Eunice, NM 88231 | Oil & Gas Operator | Oct 2025 |
| 3 | Earthbound Resources LLC | Merkel, TX 79536 | Oil & Gas Operator | Oct 2025 |
| 4 | Eastco Gas Co. | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 5 | Elco Oil & Gas, Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Oct 2025 |
| 6 | Encon Services, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 7 | Endurance Resources LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2017 |
| 8 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | May 2025 |
| 9 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Oct 2025 |
| 10 | Eratz Investments Inc. | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 11 | Erin Oil Exploration, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 1996 |
| 12 | Estoril Producing Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 13 | Evangeline Trading Company | Ballinger, TX 76821 | Oil & Gas Operator | Oct 2025 |
| 14 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jun 2025 |
| 15 | Exp, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 2003 |
| 16 | Explo Oil, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Coleman County, TX and for the production period listed.