| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K C Crude Incorp | Oil & Gas Operator | Mar 1994 | |
| 2 | Kan-Texco Incorp | Oil & Gas Operator | Dec 1994 | |
| 3 | Kerr Oil, LLC | Iola, KS 66749 | Oil Operator | Dec 2009 |
| 4 | Keys, Gerald Oil Production & Explor. | Humboldt, KS 66748 | Oil Operator | Mar 1999 |
| 5 | Kimzey Drilling | Oil Operator | Nov 2009 | |
| 6 | King Energy Co. | Oil Operator | Nov 2019 | |
| 7 | King Energy Comp | Oil Operator | Dec 1996 | |
| 8 | Krehbiel Oil Com | Oil & Gas Operator | Mar 1995 |