PT Timah Tbk is a holding company, which engages in the tin mining operations and provides marketing services to its business group. It operates through the following segments: Tin Mining, Industry, Construction, Coal Mining, and Other. The Tin Mining segment delivers smelting services. The Industry segment involves in tin checimal and solder production. The Construction segment offers workshop, building, and shipping dockyard services. The Coal Mining segment relates to the trading operations of PT Truba Bara Banyu Enim and PT Tanjung Alam Jaya. The Other segment includes PT Timah Karya Persada Properti and PT Rumah Sakit Bakti Timah which performs property and health services. The company was founded on August 2, 1976 and is headquartered in Pangkal Pinang, Indonesia.