CasTech was a leading manufacturer of continuous cast aluminum sheet and related fabricated aluminum products from recycled scrap. The company utilized advanced continuous casting and other proprietary processes to produce products with differentiated performance characteristics at low cost. CasTech served a broad range of end-markets, including transportation, residential and commercial construction, and distribution, among others and operated facilities throughout the Midwest. Based in Akron, Ohio. CasTech was acquired by Commonwealth Aluminum.