Alexander Ramlie

PT Borneo Lumbung Energi & Metal Tbk engages in the mining and production of hard coking coal. The firm operates through the International and Domestic geographical segments. Its other business activities include the trading, construction, transportation, and provision of mining and technical engineering consultation and other services. The company was founded by Samin Tan on September 11, 1992 and is headquartered in Jakarta, Indonesia.

Asia Resource Minerals Ltd. operated as a holding company with interest in coal mining business. The firm had coal-producing assets. Its principal operations were carried out through Berau Coal and PT Bumi Resources, Indonesia. The company was founded on December 3, 2010 and was headquartered in Welwyn Garden, the Unite Kingdom.

PT Berau Coal Energy Tbk operates as a holding company, which engages in the coal mining business. Its mining activities include exploration, development, transportation, marketing, and trading of coal. The firm produces and sells thermal coal products under the brand names of Mahoni, Mahoni-B, Agathis, Sungkai, and Ebony. The company was founded on September 7, 2005 and is headquartered in Berau, Indonesia.

Part of PT Berau Coal Energy, PT Berau Coal is a company that provides mining and extraction of coal. The company is based in Berau, Indonesia. The CEO of the Indonesian company is Fuganto Widjaja.

PT Amman Mineral Nusa Tenggara engages in the mining of copper and gold ores. It produces and transports copper concentrate containing small quantities of gold to local and foreign smelters for further processing. The company was founded in 1999 and is headquartered in Mataram, Indonesia.