Oil & Gas Companies in Graham County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Oct 2025 |
| 2 | Eagle River Energy Corporation | Broken Arrow, OK 74011 | Oil & Gas Operator | Sep 2025 |
| 3 | Ego Operating LLC | Boca Raton, FL 33431 | Oil Operator | Dec 2019 |
| 4 | Elysium Energy, L.L.C | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
| 5 | Empire Energy E & P, LLC | Mayville, NY 14757 | Oil & Gas Operator | Mar 2019 |
| 6 | Encore Operating Company | Denver, CO 80227 | Oil & Gas Operator | Dec 2019 |
| 7 | Energy One Oil Operations | | Oil Operator | Mar 2003 |
| 8 | Energy Productio | | Oil & Gas Operator | Jan 1986 |
| 9 | Energy Reserves | | Oil & Gas Operator | Oct 1993 |
| 10 | Energy Sources I | | Oil & Gas Operator | Jul 1986 |
| 11 | Energy Three Inc. | Jackson, MS 39211 | Oil & Gas Operator | Sep 2025 |
| 12 | Eternity Exploration, LLC | Coppell, TX 75019 | Oil Operator | Feb 2025 |
Production numbers shown above are only for Graham County, KS and for the production period listed.