Alcoa Corp. engages in the production of bauxite, alumina, and aluminum products. Its Products include ecolum, ecosource & ecodura. The company operates through the following segments: Bauxite, Alumina, and Aluminum. The Bauxite segment represents the companya€ global bauxite mining operations. The Alumina segment includes the companya€ s worldwide refining system, which processes bauxite into alumina. The Aluminum segment