Oil & Gas Companies in Elk County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | D.M. Well Service | | Oil Operator | Dec 2019 |
| 2 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Jun 2025 |
| 3 | Devonian Oil Com | | Oil Operator | Dec 1996 |
| 4 | Dixon, Margaret | Moline, KS 67353 | Oil Operator | Dec 2009 |
| 5 | Dixon, Mike | Moline, KS 67353 | Oil Operator | Jun 2025 |
| 6 | Dixon, Robin Francine | Moline, KS 67353 | Oil Operator | Jun 2025 |
| 7 | Double Ten Petro | | Oil Operator | Jul 1994 |
| 8 | Dunbar & Son Oil | | Oil & Gas Operator | Oct 1988 |
| 9 | Durbin, Ronald R. | Moline, KS 67353 | Oil Operator | Dec 1988 |
| 10 | Dyer, Charles Wilbur | Longton, KS 67352 | Oil Operator | Nov 2024 |
Production numbers shown above are only for Elk County, KS and for the production period listed.