National Spring Inc. was originally founded in 1934 in Milwaukee, Wisconsin for the purpose of manufacturing and supplying leaf springs for automobiles and trucks. The company has evolved and expanded to become a distributor of leaf and coil springs, trailer springs and parts, suspension parts, front-end parts and Timbren kits. We provide parts for all makes and models of automobiles and trucks.

National Spring continues to manufacture specialty leaf springs for antique trucks and cars. We also excel in custom applications. We are one of the few shops in the nation able to provide this level of expertise to our customers.

National Spring also provides a full service repair facility. Our experienced mechanics have over a century of combined suspension experience. We provide suspension repairs on all suspensions, including Hendrickson and Chalmers. We also perform front-end work, complete computerized alignments as well as full service truck repair. The types of vehicles we service range from automobiles to straight trucks to fire trucks. Our customer base is comprised of individuals, small and large companies as well as municipalities.