| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kelly James O | Oil & Gas Operator | Apr 2000 | |
| 2 | Kelly James O Dba Kelly Oil Co | Oil & Gas Operator | Aug 1987 | |
| 3 | Kimbark Oil & Gas Company | Denver, CO 80203 | Oil & Gas Operator | May 2007 |
| 4 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 5 | Koyl Oil Inc | Oil & Gas Operator | Aug 2025 | |
| 6 | Kulka And Schmidt Inc | Oil & Gas Operator | Dec 1992 |