| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K Explorations | Gas Operator | May 1984 | |
| 2 | Kenworthy Operating Company | Tulsa, OK 74132 | Oil & Gas Operator | May 2009 |
| 3 | Key Gas Corp. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2018 |
| 4 | Kirkman W L Inco | Oil & Gas Operator | Dec 1994 | |
| 5 | KLM Operating | Oil & Gas Operator | Mar 2025 | |
| 6 | Knighton Oil Company, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 7 | Kodiak Petroleum Inc | Englewood, CO 80155 | Oil & Gas Operator | Jun 2025 |