| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K&M LLC | Oil Operator | Aug 2025 | |
| 2 | Kainz, David R. | Ottawa, KS 66067 | Oil Operator | Aug 2009 |
| 3 | Keyse, Ralph L. | Lane, KS 66042 | Oil Operator | Jul 2018 |
| 4 | Kramer Oil Field Service Inc | Wellsville, KS 66092 | Oil Operator | May 2019 |