Johnson Oil Co. is a family-run business represented by three generations operating Express Lane convenience stores in northwestern Illinois and southeastern Iowa. All stores sell fuel, most branded Shell and some with BP fuel.

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

Headquarters:Rock Falls, Illinois
No. of Stores:79
Rank:85
Rank Last Year:82
Website:https://www.johnsonoilexpresslane.com/