| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Katy Drilling Corporation | Tulsa, OK 74146-3717 | Oil & Gas Operator | Apr 2020 |
| 2 | Keel Dwight E | Broken Arrow, OK 74014-7569 | Oil Operator | Apr 2020 |
| 3 | Kiefer Oil And Gas Co Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2011 |
| 4 | Kingdom Resources Inc | Frisco, TX 75033-3673 | Oil & Gas Operator | Jun 2023 |
| 5 | Kirk Billie E | Morris, OK 74445 | Oil & Gas Operator | Sep 2024 |
| 6 | Koch Oil Company | Oil & Gas Operator | May 2017 |