Waupaca Foundry, Inc. (“Waupaca”), the largest iron foundry company in the world, 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 metal caster operates six manufacturing facilities, located in Waupaca, Wisconsin (3 individual sites), Marinette, Wisconsin, Tell City, Indiana, and Etowah, Tennessee.  Waupaca employs approximately 3,900 people.