Founded in 1920, family-owned U.S. Axle manufactures precision axles, shafts, and cylinders for industrial OEMs at its Pottstown, Pennsylvania facility. Its engineering history includes redesigning axles for Duesenberg race cars in 1923, while today the company helps heavy-equipment makers solve complex, to-spec manufacturing challenges. U.S. Axle celebrated its centennial in 2020 and draws on an experienced workforce with an average tenure of 15 years.
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Spencer Forge & Manufacturing CompanyFounded in Spencer, Ohio, in 1895, Spencer Forge & Manufacturing makes forged and machined axle shafts and other durable components, with end-to-end processing under one roof. Its history runs from agricultural axles and 1930s torsion bars to suspension parts for Sherman and Abrams tanks and a contribution to Apollo 11’s lunar module. Today the family-owned, veteran-owned small business operates from an 85,000-square-foot complex and remains a domestic source for customers across commercial and defense markets.SPENCER, OH
I. Auman Machine CompanyFounded in 1947 by Irwin Auman in his father-in-law’s garage, I. Auman Machine Company has grown into a family-owned manufacturer specializing in precision CNC machining, inspection, and engineering support. The Lebanon, Pennsylvania, company built its early reputation machining alloy-steel castings for M60 tanks and now handles large, close-tolerance parts with equipment including a boring mill for pieces longer than 100 inches. Timothy Auman became the second-generation owner in 1986, and the business is continuing into its third generation under Jordan Auman’s leadership.LEBANON, PA
Royersford Foundry & Machine Co., IncFounded in 1890, Royersford Foundry & Machine Co. manufactures American-made power-transmission components, including bearings and arbor presses, from its Pennsylvania operation. The Deisher family has owned the company for more than five generations, and its long history includes producing more than 2,000 drill presses for U.S. Navy ships during World War II. Today, Royersford combines that manufacturing heritage with modern CNC and conventional machining for OEM and replacement markets.PHOENIXVILLE, PA