Major customers were the Detroit Department of Street Railways, Capital Transit Company of Washington D.C., Philadelphia Transportation Company, Chicago Surface Lines, San Antonio, Texas, The Milwaukee Electric Railway & Transport Company, Toronto Transportation Commission and Boston Elevated Railway.
Chicago | University of Chicago | Chicago Tribune | Chicago Cubs | Chicago White Sox | Chicago Bears | Art Institute of Chicago | Chicago Sun-Times | Chicago Symphony Orchestra | Chicago Blackhawks | Chicago Bulls | Delta Air Lines | Chicago Daily News | Chicago (band) | Greyhound Lines | Chicago Hope | Judy Chicago | University of Chicago Press | Mayor of Chicago | Lyric Opera of Chicago | Chicago Public Schools | Chicago Police Department | The Chicago Code | Eastern Air Lines | Outside the Lines | Chicago Stadium | University of Chicago Law School | Museum of Contemporary Art, Chicago | Columbia College Chicago | Chicago Outfit |