PT TIMAH Tbk engages in tin mining and smelting operations in Indonesia and internationally. It operates through Tin Mining, Industry, Construction, Coal Mining, and Other segments. The company offers Banka, Mentok, and Kundur tin, as well as tin solder and chemical products; and non-tin products, such as coal, nickel, and quartz sand. It is also involved in the provision of workshop, construction, shipping dockyard, real estate development, transportation, and marketing services. In addition, the company provides engineering and ship repair services, such as maritime vessel maintenance, shipbuilding, rental and purchase of maritime products, and other shipyard services. Further, it offers reclamation and agribusiness services, including agriculture, livestock, fisheries, trade essential oil industry, and agro-tourism services. The company was founded in 1976 and is headquartered in Bangka, Indonesia. PT TIMAH Tbk is a subsidiary of PT Mineral Industri Indonesia (Persero).