Harsco Corporation provides environmental solutions for industrial and specialty waste streams worldwide. It operates through two segments, Harsco Environmental and Harsco Clean Earth. The Harsco Environmental segment offers on-site services for material logistics, product quality improvement, and resource recovery for iron, steel, and metals manufacturing; manufactures and sells industrial abrasives, roofing granules, aluminum dross, and scrap processing systems; and produces value-added downstream products from industrial waste-stream. The Harsco Clean Earth segment provides waste management services, including transportation, specialty waste processing, and recycling and beneficial reuse solutions for hazardous wastes, and soil and dredged materials. The company was founded in 1853 and is headquartered in Camp Hill, Pennsylvania.