Founded in 1979, FPM Heat Treating is one of the largest commercial heat treating companies that specializes in a variety of heat treating processes in the United States. It serves clients in the automotive, construction and agricultural equipment industries. The company offers annealing, normalizing, tempering, vacuum hardening, laboratory testing, blast cleaning and stress relieving services. FPM Heat Treating provides batch, continuous belt, vacuum and pusher furnaces. In addition, it specializes in secondary and auxiliary processes. The company also offers plating, black oxide, chemical cleaning and passivating services. It serves over 3,000 individuals in the Greater Midwest area. FPM Heat Treating has locations in Illinois and Wisconsin.