From the Lati mine the coal is blended to produce the brands of Agathis and Sungkai. Total mineable coal resources delineated in Lati. Coal Mining Service Contractors In Indonesia 2010. Mining service contractors do most of the job of producing coal for major coal companies like Adaro, Kaltim Prima Coal KPC, Kideco, Arutmin, Berau, Indominco, and Bukit Asam. Adaro is .