Glencore (formerly known as Glencore Xstrata) is a natural resources company that specializes in the production, refinement, processing, storage, transport, and marketing of metals, minerals, and energy products. It offers metals and minerals, including zinc, copper, lead, alumina, aluminum, ferroalloys, nickel, cobalt, and iron ore, as well as thermal coal and crude oil, oil products, and natural gas. The company is also engaged in the recycling of copper, precious metals, and end-of-life electronics.