Harsco Corporation provides industrial services and engineered products worldwide. The company operates through three segments: Harsco Metals and Minerals, Harsco Rail, and Harsco Industrial. The Harsco Metals and Minerals segment provides on-site outsourced services to steel mills and asphalt roofing manufacturers. This segment also offers environmental solutions for industrial co-products, as well as sells industrial abrasives and roofing granules products. The Harsco Rail segment designs and manufactures railway track maintenance equipment; and provides track maintenance services. This segment serves private and government-owned railroads, and urban mass transit systems. The Harsco Industrial segment manufactures air-cooled heat exchangers; industrial grating products; and boilers and water heaters. This segment serves industrial plants, non-residential, commercial and public construction, and retrofit markets, as well as natural gas, natural gas processing, and petrochemical industries. The company was founded in 1853 and is headquartered in Camp Hill, Pennsylvania.