PT Aneka Tambang Tbk is an Indonesia-based vertically integrated and diversified mining and metals company. It is engaged in the exploration, exploitation, processing, refining and marketing of nickel ore, ferronickel, gold, silver, bauxite, coal and other precious metals. Its business segment is classified into nickel segment, gold and refinery segment and others operating segment. The commodities under its nickel segment include ferronickel and nickel ores, while those under its gold and refinery segment are gold, silver, platinum and palladium. Its others operating segment is comprised of bauxite and coal. Its subsidiaries include Asia Pacific Nickel Pty Ltd, PT Indonesia Coal Resources, PT Antam Resourcindo, PT Mega Citra Utama and PT International Mineral Capital.