Harsco Corporation is engaged in providing environmental solutions for waste streams and technologies for the rail sector. The Company's divisions include Clean Earth, Harsco Environmental and Harsco Rail. Clean Earth division provides environmental services for a variety of contaminated materials including soils, dredged material and hazardous waste. The Harsco Environmental division operates primarily under long-term contracts, providing services and support to the steelmaking process, and environmental and zero waste solutions for manufacturing by-products within the metals industry. The Harsco Rail division is a provider of engineered maintenance equipment, after-market parts and safety and diagnostic systems which support railroad and transit customers worldwide.