Sumatra Copper & Gold PLC is a gold and silver producer and precious metals explorer in Indonesia. The company's principal activity is to acquire, explore, develop and mine gold-silver and other metal deposits in Sumatra, Indonesia. The company has an extensive portfolio of projects including the Tandai epithermal gold-silver project and Tembang gold-silver project. Its primary geographic markets are Australia and Indonesia. The company generates a majority of its revenue from Indonesia.