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Waupaca Foundry

Company overview


Waupaca Foundry produces gray and ductile iron castings for customers in automotive, commercial vehicle, agriculture, construction, and industrial markets. The company is the largest iron casting manufacturer in North America, combining foundry expertise and process control to supply high-quality cast and machined components for demanding manufacturing applications.


Business profile


  • Operations date back to 1871
  • Acquired from Proterial, formerly part of Hitachi Metals
  • North America's leading supplier of cast and machined iron castings
  • Manufacturing footprint includes 3 foundry operations in Wisconsin and 1 in Indiana
  • Multi-year capital investment program has supported modernization, safety and advanced foundry technology