| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K C Development | Oil & Gas Operator | Dec 1996 | |
| 2 | Kan-Cal Enterpri | Oil Operator | Dec 1988 | |
| 3 | Kansas Petroleum | Oil & Gas Operator | Dec 1993 | |
| 4 | Kennedy & Mitche | Oil & Gas Operator | May 1990 | |
| 5 | King'S Well Service LLC | Blackwell, OK 74631 | Oil Operator | May 2025 |
| 6 | Kiska Oil Compan | Oil & Gas Operator | Oct 1989 | |
| 7 | Kloberdanz, Paul E. | Oklahoma City, OK 73157 | Oil & Gas Operator | Aug 2021 |
| 8 | Knighton Oil Company, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 9 | KWB Oil Property | Oil Operator | Oct 1992 |