Custom Metal Products LLC, 2909 Olde Gloucester Dr, Saint Charles, MO 63301, US

Founded in 1926, L.E. Sauer Machine Company manufactures metal goods and paper mill machineries. Based in St Louis, Mo., the company has completed a variety of general machining works, including defense work for customers, such as Curtiss-Wright and its successor, McDonnell Aircraft. L.E. Sauer Machine Company provides a full-service heat treating, including salt bath heat treating, aluminum heat treating, carburizing, case hardening and much more. The company offers a host of capabilities that include sheet and plate, round and rectangular tubing, cutting accuracy and vibratory finishing, among others.