Alcoa Inc. is engaged in lightweight metals engineering and manufacturing. The Company operates in five segments: Alumina, Primary Metals, Global Rolled Products, Engineered Products and Solutions, and Transportation and Construction Solutions. The Company's multi-material products, which include aluminum, titanium and nickel, are used across the world in aerospace, automobiles, commercial transportation, packaging, building and construction, defense, consumer electronics, oil and gas, and industrial applications. It is also engaged in the production and management of primary aluminum, fabricated aluminum, and alumina combined, through its participation in various aspects of the industry, including technology, mining, refining, smelting, fabricating and recycling. It has operations in approximately 30 countries. The Company has investments and operating activities in Australia, Brazil, China, Guinea, Iceland and Saudi Arabia, among others. It also refines alumina from bauxite ore.