Harsco Corporation is a provider of industrial services and engineered products serving global industries. The Company operates in three segments: Harsco Metals & Minerals, Harsco Industrial and Harsco Rail. Its Harsco Metals & Minerals segment is a provider of on-site, outsourced services to the metals industries across the world. Its Harsco Industrial segment includes the Harsco Industrial IKG, Harsco Industrial Air-X-Changers and Harsco Industrial Patterson-Kelley businesses. Harsco Rail segment is a provider of equipment and services for the maintenance, repair and construction of railway track. The Company's principal lines of business include outsourced, on-site services of material logistics and resource recovery for iron, steel and metals manufacturing; air-cooled heat exchangers; industrial grating products; heat transfer products, and railway track maintenance services and equipment.