Oil & Gas Companies in Haskell County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Eads Operating C | | Oil Operator | Jun 1990 |
| 2 | Edison Operating Company LLC | Wichita, KS 67226 | Oil & Gas Operator | Apr 2026 |
| 3 | Eiger Operating Company, LLC | Dallas, TX 75219 | Oil & Gas Operator | May 2026 |
| 4 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
| 5 | Elm III Operating Company LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 6 | Energy Sources I | | Oil & Gas Operator | Jul 1986 |
| 7 | Enron Corporatio | | Oil & Gas Operator | Aug 1999 |
| 8 | Ensign Operating | | Oil & Gas Operator | Oct 1994 |
| 9 | Ensz, Jerry | Sublette, KS 67877 | Gas Operator | Apr 2026 |
| 10 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 11 | Extreme Energy Co | | Oil & Gas Operator | Apr 2026 |
| 12 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jan 2026 |
| 13 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Jun 2026 |
Production numbers shown above are only for Haskell County, KS and for the production period listed.