Alcoa Corporation is a global aluminum and materials company focused on bauxite mining, alumina refining, aluminum production, and energy generation. Its operations are organized around two main segments: Alumina and Aluminum. The Alumina segment centers on mining bauxite and refining it into smelter-grade and non-metallurgical alumina, while the Aluminum segment covers smelting, casting, and related energy assets that support production. Alcoa supplies products used across transportation, aerospace, construction, packaging, and industrial manufacturing, where lightweight and durable metal solutions are essential. The company also offers value-added cast products and low-carbon alumina and aluminum offerings under its Sustana portfolio, strengthening its role in industrial supply chains. Headquartered in Pittsburgh, Pennsylvania, Alcoa Corporation operates across multiple countries and remains a significant supplier in the global metals market.