Peppermint Trolley Company was created in 1967.
Gomaco Trolley Company was created in 1982.
Chicago Recording Company was created in 1975.
Chicago Opera Company was created in 1940.
Chicago Tunnel Company was created in 1906.
Super Trolley was created in 1988.
Trolley Books was created in 2001.
The Trolley Song was created in 1944.
Lithuanian Opera Company of Chicago was created in 1956.
Chicago Union Station Company was created in 1913.
Chicago City Opera Company was created in 1935.
Chicago Grand Opera Company was created in 1910.