Theodore Heintzman's nephew, Gerhard Heintzman, was also a piano maker, and when Gerhard died in 1926, Heintzman & Co. continued to operate Gerhard company for several years. In later years they also produced pianos under the Gerhard Heintzman brand. In the 1920s, when many Canadian piano manufacturers were struggling, Heintzman & Co. also took over the Nordheimer Piano Company, and in later years produced pianos under the Nordheimer name. Heintzman & Co. also produced foot-pumped player pianos although a number of electric pianos have been found to use the Welte reproducing system as well as two surviving examples of an ArtEcho reproducing system. Over the years, Heintzman produced pianos were sold under several brands names, and Heintzman also sold pianos produced for them by other piano manufacturers. Heintzman's top pianos were produced under the "Heintzman & Company" brand, with the "Gerhard Heintzman" brand being next, then the "Nordheimer" brand (acquired from Albert Nordheimer, a nephew of Samuel Nordheimer in 1927).Nordheimer at "Synagogue Memmelsdorf" Brands that were produced for them, and sold with a "From Heintzman & Company" decal were Gerhard, Weber, Stevenson.
