| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 2 | Kant Walter F | Lance Creek, WY 82222 | Oil & Gas Operator | Dec 2002 |
| 3 | Kedco Management Corp | Oil & Gas Operator | Jul 1985 | |
| 4 | Kenai Oil & Gas Inc | Oil & Gas Operator | Jun 1987 | |
| 5 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | May 2025 |
| 6 | Kirkwood W C | Casper, WY 82602 | Oil & Gas Operator | May 2005 |
| 7 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 8 | Krejci Harry L | Oil & Gas Operator | Jul 2025 |