Oil & Gas Companies in Butler County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | B & B Oil | Lyons, KS 67554 | Oil Operator | Mar 2025 |
| 2 | B & B Oil Compan | | Oil & Gas Operator | Jul 1992 |
| 3 | B & G Oil Compan | | Oil Operator | Aug 1994 |
| 4 | B & M Oil Co.. A General Partner | Eldorado, KS 67042 | Oil Operator | Jun 2025 |
| 5 | B8 Investments | | Oil Operator | Jun 2025 |
| 6 | Baker Oil Incorp | | Oil Operator | Oct 1985 |
| 7 | Ball, D. A. | El Dorado, KS 67042 | Oil Operator | Dec 2000 |
| 8 | Bear Petroleum LLC | Haysville, KS 67060 | Oil & Gas Operator | Jun 2025 |
| 9 | Berentz Drilling | | Oil Operator | Jul 1995 |
| 10 | Berexco Incorpor | | Oil & Gas Operator | Dec 1996 |
| 11 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Oct 2025 |
| 12 | Big Eight Energy | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 13 | Big Eight Energy, L.L.C. | Wichita, KS 67275 | Oil Operator | Dec 2009 |
| 14 | Black Gold Well Service, Inc. | Towanda, KS 67144 | Oil Operator | Dec 2019 |
| 15 | Blackstone Drill | | Oil & Gas Operator | Jan 1989 |
| 16 | Braden Petroleum & Well Plugging Company | | Oil Operator | Dec 2009 |
| 17 | Brake Inc. | | Oil & Gas Operator | Sep 2017 |
| 18 | Brandt Prod Comp | | Oil & Gas Operator | Sep 1994 |
| 19 | Brickley Enterprises, LLC | Eldorado, KS 67042 | Oil Operator | Jun 2025 |
| 20 | Brock Oil & Gas | | Oil & Gas Operator | Dec 1996 |
| 21 | Bruce Oil Compan | | Oil & Gas Operator | Dec 1996 |
| 22 | Bruce Oil Company, L.L.C. | McPherson, KS 67460 | Oil Operator | Jun 2025 |
| 23 | Buckeye Corporat | | Oil Operator | Dec 1996 |
| 24 | Bullseye Petrole | | Oil Operator | Oct 1992 |
Production numbers shown above are only for Butler County, KS and for the production period listed.