Oil & Gas Companies in Ellis County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | K & E Drilling I | | Oil & Gas Operator | Sep 1995 |
| 2 | Kaiser-Francis O | | Oil & Gas Operator | Oct 1995 |
| 3 | Kaiser-Francis Oil | | Oil Operator | Nov 1995 |
| 4 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 5 | Kansas Crude Investments LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 6 | Karper Oil & Gas Corporation | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 7 | Karst Brothers Oil Co, A General Partnership | Russell, KS 67665 | Oil Operator | Jun 2025 |
| 8 | Keller Heirs Oil | | Oil Operator | May 2025 |
| 9 | Kimbark Oil & Ga | | Oil & Gas Operator | Aug 1992 |
| 10 | King Oil Operations, LLC | Ellis, KS 67637 | Oil Operator | Jun 2025 |
| 11 | Kiska Oil Company | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2019 |
| 12 | KLB Operating, Inc. | Plainville, KS 67663 | Oil Operator | Aug 2001 |
| 13 | Knighton Oil Com | | Oil & Gas Operator | Nov 1996 |
| 14 | Knighton Oil Company, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 15 | Koron Investments, Inc. | Hays, KS 67601 | Oil Operator | Jun 2025 |
Production numbers shown above are only for Ellis County, KS and for the production period listed.