| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Keyrock Energy LLC | Johnson City, TN 37604-5749 | Oil & Gas Operator | Dec 2020 |
| 2 | Kriebel Gas Inc | Clarion, PA 16214-0765 | Oil & Gas Operator | Dec 1999 |
| 3 | Kriebel Minerals Inc | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2020 |
| 4 | Kriebel Natural Gas Co LLC | Clarion, PA 16214-6161 | Oil & Gas Operator | Dec 2023 |
| 5 | Kyle Energy Inc NV | Apollo, PA 15613-0249 | Gas Operator | Dec 1996 |