Big D Oil Co. operates 40 Big D convenience stores in South Dakota or Wyoming.
For benchmarking purposes, store counts are as of Jan. 1, 2021.
| Headquarters: | Rapid City, South Dakota |
|---|---|
| No. of Stores: | 40 |
| Rank: | 157 |
| Rank Last Year: | 152 |
| Website: | http://www.bigdoil.com |