Johnson Oil Co. is a family-run business represented by three generations operating ExpressLane 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, Ill.
No. of Stores:79
Rank:84
Rank Last Year:85
Website:https://www.johnsonoilexpresslane.com/