PT Timah (Persero) Tbk is an Indonesia-based tin mining company. The Company is a manufacturer and exporter of tin and has integrated tin mining business ranging from exploration, mining, processing to marketing. It is also engaged in coal mining and asphalt exploration. The Company acts as a holding company that performs tin mining operations and marketing services to their business groups. It has several subsidiaries engaged in the workshop and shipbuilding, engineering services, tin mining, tin consulting and tin research services, as well as non-tin mining. Its operational areas are in Bangka Belitung Province, Riau Province, South Kalimantan, Southwest Sulawesi, and Cilegon, Banten, Indonesia.