| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | K & E Drilling, Inc | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 2 | K & E Petroleum | Oil & Gas Operator | Jan 1995 | |
| 3 | K & E Petroleum, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2012 |
| 4 | Kaiser-Francis O | Oil & Gas Operator | Oct 1995 | |
| 5 | Kaiser-Francis Oil | Oil Operator | Nov 1995 | |
| 6 | Kansas Oil Prope | Oil & Gas Operator | Sep 1991 | |
| 7 | Kansas Petroleum | Oil & Gas Operator | Dec 1993 | |
| 8 | Kiwanda Energy, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jan 2008 |
| 9 | Kiwanda Resc Inc | Oil & Gas Operator | Aug 1993 | |
| 10 | KN Production Co. | Lakewood, CO 80228 | Oil & Gas Operator | Jun 2003 |
| 11 | Koch Exploration Company | Houston, TX 77046 | Oil & Gas Operator | Apr 2003 |