Campbell Oil Co./BellStores

Campbell Oil Co. opened its first c-store in 1985. It operates 77 stores throughout Ohio under the BellStores brand. It offers Marathon-branded fuel with many locations featuring top-of-the-line car wash systems.

BellStores locations offer a robust selection of fountain drinks, fresh brewed Bean To Cup coffee and espresso beverages, as well as a variety of tasty “to-go” meal and snack options. Many locations feature a Subway, Dairy Queen, Champs Chicken or Hunt Brothers Pizza to give customers more options when they're on-the-go. The chain's Bell Buddy Rewards loyalty program offers customers cents off fuel through monthly promotions, “Buy 5, Get 1 Free” club programs and exclusive member discounts.

For benchmarking purposes, store counts are as of Jan. 1, 2024.