Rio Tinto Aluminium (previously known as Comalco) is now known as Rio Tinto Alcan after Rio's takeover of Alcan. It was the world's eighth largest aluminium company. It mines and manufactures bauxite, alumina and primary aluminium.
Rio Tinto Aluminium is a wholly owned subsidiary of Rio Tinto Group and provides about 20% of Australia's total production of bauxite, 8% of its alumina and 24% of its primary aluminium.
In 2002, Rio Tinto Aluminium earned US$256 million for its shareholder Rio Tinto.