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 vehicle, 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, and Etowah, Tennessee the Foundry employs about 3,900 people. Previously owned by ThyssenKrupp, ThyssenKrupp Waupaca has been purchased by New York-based private equity firm KPS Capital Partners, LP. The company has been officially renamed Waupaca Foundry, Inc.2014 Waupaca Foundry is acquired by Hitachi Metals and joins Hitachi Met