Harsco Corporation provides industrial services and engineered products worldwide. The company operates through three segments: Harsco Metals & Minerals, Harsco Industrial, and Harsco Rail. The Harsco Metals & Minerals segment provides on-site services of material logistics, product quality improvement, and resource recovery for iron, steel, and metals manufacturing; and value added environmental solutions for industrial co-products, as well as manufactures industrial abrasives and roofing granules. The Harsco Industrial segment manufactures and supplies custom-engineered and manufactured air-cooled heat exchangers for the natural gas, natural gas processing, and petrochemical industries; industrial grating products, which include a range of metal bar grating configurations for industrial flooring, and safety and security applications in the energy, paper, chemical, refining, and processing industries, as well as offers GrateGuard, a fencing solution for first-line physical security; and heat transfer products, such as boilers and water heaters for commercial and institutional applications. The Harsco Rail segment designs and manufactures safety systems for transportation and industrial applications; and equipment, after-market parts, and services for the maintenance, repair, and construction of railway track. This segment serves private and government-owned railroads, and urban mass transit systems. Harsco Corporation was founded in 1853 and is headquartered in Camp Hill, Pennsylvania.