Oil & Gas Companies in Polk County, TX
|  | Company Name | Company Location | Company Type | Most Recent Production | 
|---|
| 1 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 | 
| 2 | Endeavor Energy Resources, LP | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 | 
| 3 | Energy Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 | 
| 4 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | May 2025 | 
| 5 | Enpower Resources Inc. | Sugar Land, TX 77479 | Oil & Gas Operator | Oct 2025 | 
| 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 | Etc Field Services LLC | San Antonio, TX 78258 | Oil Operator | Jun 2018 | 
| 9 | Evans, Julian | Houston, TX 77024 | Oil & Gas Operator | Nov 1995 | 
| 10 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jun 2025 | 
| 11 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 | 
| 12 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Oct 2025 | 
Production numbers shown above are only for Polk County, TX and for the production period listed.