Graham Enterprises has 37 company owned and operated sites in northern Illinois, and it also owns and operates 20 additional rollover conveyor car washes in and around Arlington Heights, Illinois.

Its Trio stores feature freshly baked cinnamon rolls, freshly brewed coffee, handcrafted fresh pizzas, specialty craft beers and more. It prides itself on its pristine and clean stores, according to its website.

GEI operates in northern Illinois and offers the Amoco, bp, Exxon, CITGO, Marathon, Mobil and Shell fuel brands.

For benchmarking purposes, store counts are as of Jan. 1, 2023.

Headquarters:Vernon Hills, Illinois
No. of Stores:37
Rank Last Year:168