Metallurgical Processing, Inc. Specialize in heat treating and hard material coatings for the aerospace and commercial industries. http://www.mpimetaltreating.com/

Nitrex Metal Inc. Offers gas nitriding systems and services. http://www.nitrex.com/

Paulo Products Company. Provides commercial heat and cryogenic treating, brazing, and metal finishing services. http://www.paulo.com/

SM Engineering Co. Builds heat treating furnaces for the jewelry, metalworking, and electronics industries. http://www.sm-furnaces.com/

Specialty Steel Treating. Provides premium quality gas carburizing and nitriding, oil quenching, vacuum heat treatment, and other services. http://www.specialtysteeltreating.com/

Sun Steel Treating, Inc. Provides precision and specialty salt bath heat treatments http://www.sunsteeltreating.com/

Suncoast Heat Treat Inc. Services include malcomizing, nitriding, normalizing, and other processes. http://www.heattreatinc.com/

Technical Heat Treatment Services Ltd. Offering services including stress relief, annealing, normalizing, quenching, and tempering. http://www.techeat.com/

Valley Technologies Inc. Manufactures aluminum aerospace forgings and provides metal heat treating and finishing. http://www.valley-tech.com/

Winston Heat Treating. ISO registered commercial heat treating company specializes in tool hardening. http://www.winstonht.com/