| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Mar 2025 |
| 2 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Jan 2025 |
| 3 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
| 4 | Khoil Dakota Operating, LLC | Oil & Gas Operator | Jan 2025 | |
| 5 | Kissinger Petroleum Corp | Oil & Gas Operator | Nov 1983 | |
| 6 | Kodiak Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2020 |
| 7 | Kraken Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Jan 2025 |