Operating 40 stores, with the majority in South Dakota and Wyoming and four in Colorado, Big D stores offer a foodservice menu, car washes and express lubes.

For benchmarking purposes, store counts are as of Jan. 1, 2023.

Headquarters:Rapid City, South Dakota
No. of Stores:40
Rank:164
Rank Last Year:159
Website:http://www.bigdoil.com