Teck Cominco Limited operates as a diversified mining company in Canada and internationally. Its activities include exploration, development, processing, smelting, and refining of various natural resources. The company produces zinc, copper, and metallurgical coal, as well as precious metals, lead, molybdenum, electrical power, fertilizers, and various specialty metals. It also owns an interest in certain oil sands leases, and has a partnership interest in an oil sands development project. The c ...

Aleris International, Inc. is one of the world’s largest recyclers of aluminum and zinc and one of North America’s leading manufacturers of common-alloy sheet from recycled aluminum. The company has 56 production facilities located throughout the world.