Oil & Gas Companies in Butler County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | D & J Investment | | Oil Operator | Jun 1995 |
| 2 | D & J Investments | | Oil Operator | Dec 2009 |
| 3 | D.K. Rush Oil Co., LLC | El Dorado, KS 67042 | Oil Operator | Jun 2025 |
| 4 | Darrah Oil Company LLC | Wichita, KS 67201 | Oil & Gas Operator | Oct 2025 |
| 5 | David D. Davis | Benton, KS 67017 | Oil Operator | Dec 2009 |
| 6 | Davies & Company | Tulsa, OK 74114 | Oil & Gas Operator | Nov 2000 |
| 7 | Davis Contract Pumping | | Oil Operator | Oct 2000 |
| 8 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Jun 2025 |
| 9 | Denmark Oil | Wichita, KS 67212 | Oil & Gas Operator | May 2000 |
| 10 | Directional Drilling Systems, LLC | Greenwood VIllage, CO 80111 | Oil Operator | Dec 2019 |
| 11 | Double "D" Oil Company, Inc. | Winfield, KS 67156 | Oil Operator | Jun 2025 |
| 12 | Double Eagle Exploration Inc | Windthorst, TX 76389 | Oil Operator | Jun 2025 |
| 13 | Duane Exploration Limited | Andover, KS 67002 | Oil Operator | Jul 1996 |
| 14 | Dunne Equities I | | Oil & Gas Operator | Dec 1995 |
| 15 | Dunne Equities, Inc. | Wichita, KS 67226 | Oil & Gas Operator | Apr 2014 |
| 16 | Dunne Investments Operating, Inc. | Wichita, KS 67226 | Oil Operator | Mar 2002 |
Production numbers shown above are only for Butler County, KS and for the production period listed.