| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K. Petroleum, Inc. | Gahanna, OH 43230 | Oil & Gas Operator | Jul 2025 |
| 2 | Key Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Dec 2021 |
| 3 | Kimco Inc. | Spencer, WV 25276-1007 | Oil & Gas Operator | Dec 2021 |
| 4 | Kirkconnell And Associates | Oil & Gas Operator | Dec 1996 | |
| 5 | Knox Energy Inc | New Albany, OH 43054 | Oil & Gas Operator | Dec 2024 |
| 6 | Kodiak Petroleum Corp. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 1996 |
| 7 | Kudella, Ron & Cline, Russell | Oil & Gas Operator | Feb 2021 |