Mattress Firm in Illinois
- Addison
- Algonquin
- Alton
- Aurora
- Batavia
- Berwyn
- Bloomingdale
- Bloomington
- Bolingbrook
- Bourbonnais
- Carbondale
- Champaign
- Chicago
- Countryside
- Crestwood
- Crystal Lake
- Danville
- Decatur
- Deerfield
- Dekalb
- Downers Grove
- East Peoria
- Edwardsville
- Elgin
- Evergreen Park
- Fairview Heights
- Geneva
- Glen Ellyn
- Glenview
- Hanover Park
- Homewood
- Huntley
- Lake Bluff
- Lake Zurich
- Lombard
- Machesney Park
- Matteson
- McHenry
- Moline
- Montgomery
- Mount Prospect
- Mundelein
- Naperville
- New Lenox
- Norridge
- Northbrook
- Northlake
- Oakbrook Terrace
- Oak Lawn
- O'Fallon
- Orland Park
- Oswego
- Palatine
- Park Ridge
- Peoria
- Peru
- Quincy
- Rockford
- Romeoville
- Round Lake
- Schaumburg
- Shorewood
- Skokie
- South Elgin
- Springfield
- Wheaton
- Wilmette
- Woodridge