According to our records, this business is located at 1019 17th St NE in Mason City (in Cerro Gordo County), Iowa 50401, the location GPS coordinates are: 43.168937 (latitude), -93.180429 (longitude). Johnson Sign Service is categorized under Name Plates: Except Engraved, Etched, Etc.: Metal (SIC code 3993). Known organization owner is Dean Johnson Jr. Current estimates show that the unit has a sales volume of $248,000 and staff of approximately 2 people. You can contact the company by phone at (641) 423-1487.