Rio Tinto Aluminium

Rio Tinto Aluminium
Founded1956 (as Comalco)
Headquarters
Australia
ProductsAluminium
ParentRio Tinto Group

Rio Tinto Aluminium (RTA), previously known as Comalco (Commonwealth Aluminium Corporation Pty Ltd), are historic companies, which were absorbed into what is now Rio Tinto Alcan, headquartered in Montreal, Canada. The companies' business is focused on bauxite, alumina, and primary aluminium.