Alcoa (in Russian pronounced Alcoa) (NYSE: AA) – american metallurgical company, second in the world in aluminum smelting (after the Russian company Russian Aluminum following the results 2006 of the year).Headquarters – in Pittsburgh, state of Pennsylvania (USA). History Founded in 1886 year by Charles Martin Hall, which the, almost simultaneously with the Frenchman Paul Héroux, discovered a method for producing aluminum by electrolysis of alumina. IN 1907 year the company received the name Aluminum Company of America, in 1910 abbreviated to Alcoa. In the mid-80s of the 19th century, aluminum was considered a semi-precious metal., more rare, than silver. So, in 1884 year in the USA was produced only 125 pounds of aluminum.