Waupaca Foundry produces ductile iron and gray iron castings using state-of-the-art technology. Waupaca is North America’s leading supplier of iron castings to the automotive, commercial vehicle, agriculture, construction, and industrial markets. Headquartered in Waupaca, Wisconsin, the iron caster operates five manufacturing facilities, located in Waupaca, Wisconsin, Marinette, Wisconsin, and Tell City, Indiana, and employs approximately 4,000 people.

*Sales data as of January 2024