| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K3 Resources, Inc. | Garden City, KS 67846 | Gas Operator | Aug 2013 |
| 2 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Feb 2026 |
| 3 | Kansas Natural Gas Operating, LC | Hays, KS 67601 | Gas Operator | Sep 2025 |
| 4 | Kansas Natural Gas, Inc. | Hays, KS 67601 | Gas Operator | Sep 2025 |
| 5 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
| 6 | Kuhn Walter Dril | Gas Operator | Dec 1985 |