| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K & E Drilling I | Oil & Gas Operator | Sep 1995 | |
| 2 | Kaiser-Francis O | Oil & Gas Operator | Oct 1995 | |
| 3 | King Oil Operations, LLC | Ellis, KS 67637 | Oil Operator | Dec 2023 |
| 4 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Dec 2023 |