Alter Trading Corporation is one of the nation's leading scrap metal recyclers and brokers, with processing centers and offic ... es throughout the central United States. Alter has a reputation for innovation in the scrap metal industry. Our processing facilities are state-of-the-art. We're one of the largest recyclers of ferrous and non-ferrous metals in the country serving industrial clients and salvage operations of every kind. Alter continues to develop new and expanded services and capabilities to meet the changing needs of its clients and the marketplace. read more