| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2025 |
| 2 | Kase Energy LLC | Roseville, MN 55113 | Oil Operator | Aug 2006 |
| 3 | Kennedy Oil | Gillette, WY 82716 | Oil & Gas Operator | Oct 2025 |
| 4 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Oct 2025 |