All Steak 'n Shake Locations - Illinois
- Alton
- Aurora
- Batavia
- Belleville
- Bloomington
- Bolingbrook
- Bourbonnais
- Carbondale
- Champaign
- Collinsville
- Danville
- Darien
- Decatur
- Dekalb
- Downers Grove
- East Peoria
- Edwardsville
- Effingham
- Elgin
- Elk Grove Village
- Evanston
- Fairview Heights
- Forsyth
- Frankfort
- Galesburg
- Glendale Heights
- Glenview
- Gurnee
- Hoffman Estates
- Jacksonville
- Joliet
- Lake In The Hills
- Lincoln
- Machesney Park
- Marion
- Mattoon
- Mchenry
- Moline
- Morton
- Mount Prospect
- Mt Vernon
- Naperville
- Normal
- O'fallon
- Pekin
- Peoria
- Peru
- Quincy
- Rockford
- Rolling Meadows
- Rosemont
- Springfield
- Streamwood
- Tinley Park
- Urbana
- West Chicago
- Wood River