| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2010 |
| 2 | Keesun Corporation | Cut Bank, MT 59427 | Oil & Gas Operator | Jan 2024 |
| 3 | King-Sherwood Oil | Condon, MT 59826 | Oil Operator | Feb 2024 |
| 4 | Kipling Energy Incorporated | Shelby, MT 59474 | Oil & Gas Operator | Jan 2011 |
| 5 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 6 | Knaup, Harry J. & Lucille | Shelby, MT 59474 | Oil Operator | Oct 2023 |