Oil & Gas Companies in Seward County, KS
|  | Company Name | Company Location | Company Type | Most Recent Production | 
|---|
| 1 | Darrah Oil Company LLC | Wichita, KS 67201 | Oil & Gas Operator | Oct 2025 | 
| 2 | Davis, Travis H., Gas Account | Borger, TX 79008 | Gas Operator | Feb 2015 | 
| 3 | Dawson-Markwell Exploration Co. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jun 2025 | 
| 4 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Jun 2025 | 
| 5 | Deltex Petroleum |  | Oil Operator | Nov 1994 | 
| 6 | Denmark Oil | Wichita, KS 67212 | Oil & Gas Operator | May 2000 | 
| 7 | Derrick Resources Inc. | Henryetta, OK 74437-4249 | Oil & Gas Operator | Jun 2025 | 
| 8 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2025 | 
| 9 | Diamond Chemical |  | Oil & Gas Operator | Jan 1995 | 
| 10 | DMS Oil Company | Houston, TX 77042 | Oil & Gas Operator | Aug 2025 | 
| 11 | DNR Oil And Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Aug 2025 | 
| 12 | Domar Oil & Gas |  | Gas Operator | May 1995 | 
| 13 | Domar Oil & Gas, Inc. | Liberal, KS 67905 | Oil & Gas Operator | Oct 2000 | 
| 14 | Duke Drilling Co | Wichita, KS 67202 | Oil & Gas Operator | Feb 2006 | 
Production numbers shown above are only for Seward County, KS and for the production period listed.