Posted in 1950s, Advertisements/Articles, Commercial/Office/Retail, Ephemera, Extant, TX - Greater Houston Germalene Chemical Co. – Houston 4751 Gulf Freeway – Houston TX (built 1952; currently Advance Cover Co.) From the 1952 issue of Houston Magazine, the Germalene Chemical Company, which specialized in janitorial supplies: Current Streetview image: View Larger Map