| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kelly Bayou Production | Oil & Gas Operator | Jan 2025 | |
| 2 | Kewanee Oil Company | Houston, TX 77001 | Oil & Gas Operator | Aug 1978 |
| 3 | Key Operating Co., Inc. | Duncan, OK 73534-1284 | Oil & Gas Operator | Jan 2025 |
| 4 | Kilroy Co. Of Texas, Inc. | Oil & Gas Operator | Jun 1991 | |
| 5 | Kindee Oil & Gas Louisiana, LLC | Oil & Gas Operator | Aug 2012 | |
| 6 | King Ranch Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 1997 |
| 7 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Apr 2003 |
| 8 | Koch Gateway Pipeline Company | Oil & Gas Operator | Feb 2001 |