Waupaca Foundry, Inc., formerly known as ThyssenKrupp Waupaca, is among the world’s largest independent iron foundries. The company produces gray, ductile, and compacted graphite iron castings. Global markets served include automotive and light truck, commercial vehicles, agriculture, construction, material handling, and other industrial sectors.

With headquarters and three plants in Waupaca, Wisconsin as well as plants in Marinette, Wisconsin, Tell City, Indiana, Etowah, Tennessee, Effingham, Illinois, Lawrenceville, Pennsylvania, and Ironwood, Michigan, the foundry employs about 4,500 people.

Previously owned by ThyssenKrupp, ThyssenKrupp Waupaca was purchased by New York-based private equity firm KPS Capital Partners. The company has been officially renamed Waupaca Foundry, Inc.  In 2014, Waupaca Foundry was acquired by Hitachi Metals, becoming part of Hitachi Metals’ high-grade Functional Components Company.

Throughout its over  60-year history, Waupaca Foundry has maintained a reputation of innovation and producing top-quality iron castings. A few years after the foundry started business, it had a capacity of melting 30 tons of iron daily. Today, it has an iron melting capacity of more than 9,500 tons daily across six plants in the United States. As a comparison, the U.S. Capitol Dome in Washington, D.C., is made of 4,100 tons of cast iron.

According to betterbuildingssolutioncenter.energy.gov; en.wikipedia.org; waupacafoundry.com.