Irwandy Arif

PT Multi Harapan Utama engages in coal mining services. It offers exploration, mining operations, coal deposits and facilities to mining industries. The company was founded in 1986 and is headquartered in Jakarta Selatan, Indonesia.

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.

Golden Energy & Resources Ltd. is an investment holding company, which engages in the exploration, mining, and marketing of metallurgical coal and and energy coal. It operates through the following segments: Energy Coal, Metallurgical Coal and Non-coal Business. The Energy Coal segment consists of exploration, mining, processing and marketing of energy coal from its coal mining concession areas, and procuring sales orders from customers and sourcing for domestic suppliers. The Metallurgical Coal segment deals with the exploration, mining, processing and marketing of metallurgical coal from its coal mining concession areas. The Non-coal Business is involved in forestry, investment holding company and provision of management services. The company was founded by Quee Hock Chia on December 2, 1995 and is headquartered in Singapore.