All Keen Locations - Illinois
- Algonquin
- Aurora
- Bannockburn
- Barrington
- Berwyn
- Bloomingdale
- Bloomington
- Bolingbrook
- Bourbonnais
- Burr Ridge
- Carbondale
- Champaign
- Charleston
- Chicago
- Crystal Lake
- Deerfield
- Edwardsville
- Evanston
- Fairview Heights
- Forsyth
- Freeport
- Galesburg
- Geneva
- Glen Carbon
- Glenview
- Great Lakes
- Gurnee
- Harrisburg
- Highland
- Highland Park
- Hinsdale
- Jacksonville
- Joliet
- Kewanee
- Kildeer
- La Grange
- Libertyville
- Lombard
- Loves Park
- Macomb
- Marion
- Mchenry
- Moline
- Mount Vernon
- Mundelein
- Naperville
- Niles
- Normal
- Northbrook
- Oak Brook
- Orland Park
- Oswego
- Park Ridge
- Peoria
- Quincy
- Richmond
- Rockford
- Saint Charles
- Savoy
- Schaumburg
- Skokie
- Springfield
- Sycamore
- Tinley Park
- Urbana
- Vernon Hills
- Villa Park
- Waukegan
- Wheaton
- Wilmette
- Winnetka
- Wood River
- Yorkville