Campbell Oil opened its first c-store in 1985 and operates more than 74 locations today under the BellStores name. It sells Marathon-branded fuel. In addition to offering the Bell's Bistro proprietary program of salads and subs, some stores are co-branded with Subway, Dairy Queen, Domino's and Hunt Brothers quick-service restaurants.

For benchmarking purposes, store counts are as of Jan. 1, 2021.

Headquarters:Massillon, Ohio
No. of Stores:74
Rank Last Year:92