Leon Z. Heller

EnviroSource, Inc. provides environmental services. The firm provides the steel industry with slag processing, metal recovery, materials handling, scarp management and high speed flame cutting services. It also provides hazardous waste treatment, stabilization and disposal services, regulatory assistance and laboratory services for the steel industrial and governmental customers. The company is headquartered in Horsham, PA.

International Mill Service, Inc. provides metals recovery, slag processing and scrap management services. It offers raw materials procurement, scrap optimization, equipment rentals, and machine shop/field services, as well as slag removal and processing, metal recovery, slag aggregate sales and scrap management services. The company was founded in 1936 and is located in Horsham, PA

TMS International Holding Corp. engages in the provision of industrial steel mill services. It offers raw material brokerage, scrap management, scrap optimization, slag handling, metal recovery, slag aggregates, abs software, product handling, railcar dismantling, specialized services, logistics management, industrial services, surface conditioning, blast furnace services, extruded product services, and copper slag services. The company was founded in 1926 and is headquartered in Glassport, PA.