Alcoa is the largest player in the global aluminum market, producing 20% of the world's alumina and 10% of its aluminum. Alcoa is involved in bauxite mining; alumina refining; aluminum smelting; and producing aluminum products such as beverage cans, aerospace components, and auto and building products. The company has operations on every continent and has been actively expanding its operations in lower-cost regions such as South America and the Middle East.