Amir Sambodo

Vallar Plc engages in mining of gold, silver, uranium and associated co-products or by products. It focuses on base metals, coking coal, iron ore and thermal coal. The company was founded by Nathaniel Rothschild and James Campbell and is headquartered in St. Helier, Jersey.

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.

PT Tuban Petrochemical Industries processes and sells petrochemicals. The company is headquartered in Jakarta, Indonesia

PT Kertas Kraft Aceh is an Indonesian media company that operates an online news platform called KKA. The private company is based in Lhokseumawe Sumatra, Indonesia. The company's vision is to be a "trusted media" and its mission is to provide the latest news and information. KKA has a team of competent editors, contributors, and reviewers with at least two years of experience in the news industry. The company is ultimately controlled by the Government of Indonesia.

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