Alcoa Basic information Ownership status: Publicly traded Number of employees worldwide: 116,000 Website: Tel: 1-412-553-4545 Fax: 1-412-553-4498 Corporate accountability Brief company history: Alcoa is the world’s third largest producer of aluminum, behind Rio Tinto and Rusal. Alcoa leads the world in alumina production and capacity. From its operational headquarters in Pittsburgh, Pennsylvania, Alcoa oversees operations in 44 countries. It is followed closely by a former subsidiary, Alcan, a Canadian-based company in Montreal, which was the third-leading producer behind Alcoa, but in terms of sales Alcan is ahead of Alcoa. Alcoa made a hostile $27 billion bid for Alcan on May 7th, 2007, aiming to reunite the two companies and form the largest aluminum producer in the world. The takeover