| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K C Crude Incorp | Oil & Gas Operator | Mar 1994 | |
| 2 | K-3 Energy Corpo | Oil Operator | May 1988 | |
| 3 | K-W Oil - Evans | Oil Operator | Jan 1994 | |
| 4 | K.E. Snyder Co., LLC | Hamilton, KS 66853 | Oil Operator | Dec 2023 |
| 5 | Kansas Oil Company | Kansas City, KS 66117 | Oil Operator | May 1997 |
| 6 | Katana Resources | Oil & Gas Operator | Aug 1984 | |
| 7 | Keystone Oil Co. | Eureka, KS 67045 | Oil Operator | May 2000 |
| 8 | Kraft Oil Company LLC | Gridley, KS 66852 | Oil Operator | Dec 2023 |
| 9 | Kutter Oil Co. | Eureka, KS 67045 | Oil Operator | May 2002 |
| 10 | Kutter Oil, Inc. | Eureka, KS 67045 | Oil Operator | Mar 2022 |