"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
ACE SIGN BUILDERS
ACE SIGN BUILDERS. The 1937 Dubuque Consurvey Directory and 1939 Dubuque City Directory listed 815 1/2 Main.
The 1941 Dubuque City Directory and 1942 Dubuque Classified Business Directory listed 72 Main for Ace Sign Builders-Dubuque Poster Advertising Company.