Waupaca Foundry, Inc., 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 foundry operates six manufacturing facilities, located in Waupaca, Wisconsin (3), Marinette, Wisconsin, Tell City, Indiana, and Etowah, Tennessee. Waupaca employs approximately 3,800 people.
Waupaca received a 2022Better Project Award forupgrading and then optimizing a facility’s compressed air system, increasing energy efficiency by 13.5% and reducing annual energy usage by 18,000 MMBtu and water usage by 13 million gallons of water.
NAICS 331, Primary Metal Manufacturing
Date of Pledge:September 2009
