| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K & A Oil, A General Partnership | Longton, KS 67352 | Oil Operator | Jun 2025 |
| 2 | Katana Resources | Oil & Gas Operator | Aug 1984 | |
| 3 | Kirkpatrick W E | Ponca City, OK 74604-4146 | Gas Operator | Oct 2001 |
| 4 | Kloberdanz Paul | Gas Operator | Apr 1991 | |
| 5 | Knife River Oil, LLC | Bull Shoals, AR 72619 | Oil Operator | Feb 2017 |