More than 4,400 employees across nine foundry and machining and assembly plants bring you the highest quality castings in the industry. Headquartered, and with three foundries in Waupaca, WI, Waupaca Foundry also has foundry operations in Marinette, WI, Tell City, IN, Etowah, TN, and Lawrenceville, PA. Additionally, Waupaca has machining and assembly operations in Effingham, IL. Multiple locations allow Waupaca Foundry to meet customer demand and ensure a steady supply of top-quality cast, machined and assembled components.
Founded in 1955, the first plant in Waupaca was just the beginning for tenacious leaders and innovative employees to grow Waupaca Foundry into an industry-leading supplier of iron castings—producing gray iron, ductile iron (including high strength and austempered ductile) castings. Waupaca Foundry melts nearly two million metric tons of iron each year. The iron foundries produce castings weighing as little as 2 pounds to as much as 350 pounds.