Oil & Gas Companies in Barber County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
| 2 | Damson Oil Corpo | | Oil & Gas Operator | May 1994 |
| 3 | Davies & Company | Tulsa, OK 74114 | Oil & Gas Operator | Nov 2000 |
| 4 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Jun 2025 |
| 5 | Delhi Gas Pipeli | | Gas Operator | Aug 1998 |
| 6 | Delhi Pipeline | | Oil & Gas Operator | Sep 1999 |
| 7 | Deutsch Oil Company | | Oil & Gas Operator | Jun 2025 |
| 8 | Devonian Oil Company | Lawrence, KS 66044 | Oil Operator | May 2001 |
| 9 | Dixon Energy, Inc. | Wichita, KS 67226 | Oil & Gas Operator | Sep 2023 |
| 10 | Dixon Operating Company, LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 11 | Dolphin Energy LLC | Lake Worth, FL 33467 | Oil & Gas Operator | Jun 2025 |
| 12 | Double Eagle Exploration Inc | Windthorst, TX 76389 | Oil Operator | Jun 2025 |
| 13 | Doug'S Pumping Service | | Oil Operator | May 2025 |
| 14 | Drop Tine Exploration, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Dec 2019 |
Production numbers shown above are only for Barber County, KS and for the production period listed.