| 1 | B M & S Oil | | Oil Operator | Apr 1986 |
| 2 | Bandy Paul L | | Oil Operator | Nov 1996 |
| 3 | Bandy, Paul & Marjorie, Irrevocable Trust | Canton, KS 67428 | Oil & Gas Operator | Nov 2009 |
| 4 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Jun 2025 |
| 5 | Bennett & Schulte Oil Co., A General Partnership | Russell, KS 67665 | Oil Operator | Jun 2025 |
| 6 | Berentz Drilling | | Oil Operator | Jul 1995 |
| 7 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Oct 2025 |
| 8 | Black Frank J | | Oil & Gas Operator | Jan 1994 |
| 9 | Black, Frank J., Oil Operations, Inc. | Overland Park, KS 66213 | Oil & Gas Operator | Dec 2009 |
| 10 | Blackstone Drill | | Oil & Gas Operator | Jan 1989 |
| 11 | Blackstone Drilling, Inc. | McPherson, KS 67460 | Gas Operator | Nov 2011 |
| 12 | Bradley Oil Company | Edmond, OK 73013 | Oil Operator | Jun 2025 |
| 13 | Brigman Prod Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2009 |
| 14 | Brown Operating | | Oil & Gas Operator | Dec 1991 |
| 15 | Brown Tom Constr | | Oil Operator | Dec 1995 |
| 16 | Bruce Oil Compan | | Oil & Gas Operator | Dec 1996 |
| 17 | Bruce Oil Company, L.L.C. | McPherson, KS 67460 | Oil Operator | Jun 2025 |
| 18 | Brunson Producti | | Oil & Gas Operator | Aug 1993 |
| 19 | Brunson Production, Inc. | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 20 | Bryan Eugene W S | | Oil & Gas Operator | Nov 1995 |
| 21 | Bryan, Dorothy J. | Canton, KS 67428 | Oil & Gas Operator | Nov 2000 |
| 22 | Buckeye West, LLC | Wooster, OH 44691 | Oil Operator | Jun 2025 |
| 23 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |