| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K P Kauffman Company Inc | Denver, CO 80203 | Oil & Gas Operator | Feb 2026 |
| 2 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2026 |
| 3 | KC Resources Inc | Snowmass VLG., CO 81615 | Oil & Gas Operator | Jan 2026 |
| 4 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Apr 2026 |
| 5 | KGH Operating Company | Billings, MT 59115 | Oil & Gas Operator | Feb 2026 |
| 6 | Kinder Morgan Co2 Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2026 |
| 7 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 8 | Kodiak Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Dec 2025 |
| 9 | KT Resources LLC | Oil & Gas Operator | Jan 2026 | |
| 10 | KTM Operating LLC | Oil & Gas Operator | Jan 2026 | |
| 11 | Kuenzler & Flora Reserve Company | Oil & Gas Operator | Jan 2026 | |
| 12 | Kugler* Dean & Joe Dba D-J Oil Company | Oil & Gas Operator | Jul 2021 |