Bumi Resources Wikipedia
PT Kaltim Prima Coal (KPC): operates approximately 90,000 hectares of coal mining concessions in East Kalimantan province. PT Arutmin Indonesia: operates approximately 70,000 hectares of coal mining concessions in South Kalimantan. PT Fajar Bumi Sakti: manages a total concession area of 8, hectares in East Kalimantan.