"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN
DUBUQUE SECURITIES COMPANY
DUBUQUE SECURITY COMPANY. The 1929 through 1939 Dubuque City Directory listed the 7th floor of the BANK AND INSURANCE BUILDING.
The 1942 through 1957 Dubuque City Directory listed the 9th floor of the Roshek Building.