| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kaiser Operating, LLC | Oil & Gas Operator | Feb 2026 | |
| 2 | Kay Lease Service | Oil Operator | Feb 1981 | |
| 3 | Kay Operating Co. | Oil Operator | May 1982 | |
| 4 | KFG Petroleum Corporation | Oil & Gas Operator | Feb 2026 | |
| 5 | Kingston Operating Company | Oil & Gas Operator | Oct 2009 |