| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Katy Drilling Corporation | Tulsa, OK 74146-3717 | Oil & Gas Operator | Apr 2020 | 
| 2 | Keller Estate Leases LLC | Bartlesville, OK 74003-3608 | Oil Operator | Aug 2012 | 
| 3 | Kent Oil Corporation | Blanchard, OK 73010-3619 | Oil & Gas Operator | Feb 2012 | 
| 4 | Kirby Exploration Co | Houston, TX 77251 | Oil & Gas Operator | Jan 2014 | 
| 5 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Jun 2025 | 
| 6 | Kirk Tank Trucks Inc | Morris, OK 74445 | Oil & Gas Operator | Dec 2021 | 
| 7 | Klo LLC | Tulsa, OK 74120-2428 | Oil & Gas Operator | Jul 2025 |