Andersen is a privately-owned business founded in 1903 by Danish immigrant Hans Andersen and his family. Headquartered in Bayport, Minnesota, Andersen Corporation includes Andersen Windows & Doors, Renewal by Andersen Window Replacement Services, Silver Line Windows & Doors, American Craftsman Windows & Doors, Andersen Storm Doors and MQ Luxury Windows and Doors and Heritage Windows and Doors. ...