Established in 1948, Metal Treaters provides tooling, die cutting, molding and vacuum heat treating solutions for commercial clients. Its products include custom-build tools and mold and die parts. The company provides gas carburization, induction, salt hardening, annealing, stress relieving and cryogenic freezing services. It additionally offers design, engineering, precision machining, shipping and delivery services. The company specializes in a range of metals, such as stainless steel, carbon, alloy and aluminum. Its client base includes the automobile and aerospace industries. The company operates a variety of equipment, including vacuum furnaces, Abar-Ipsen Nitrogen Quench tool treaters and Kolene Salt Bath Nitriding lines. Metal Treaters is located in St. Paul, Minn.