| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 2 | Katy Resources LLC | Arlington, TX 76016 | Oil & Gas Operator | Oct 2025 |
| 3 | Kenneth W. Cory, LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Jun 2025 |
| 4 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | May 2025 |
| 5 | Kimbrough Engineering Co, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Dec 2014 |
| 6 | Kinder Morgan Production Co LP | Midland, TX 79701 | Oil & Gas Operator | Jul 2007 |
| 7 | Kroh Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |