PT Harum Energy Tbk, through its subsidiaries, engages in the coal and nickel mining, logistics, and nickel processing and refining activities in Indonesia. It operates through Mining Sectors, Rental and Service Sectors, Nickel Smelter Sector, and Other Sectors segments. The company is involved in the coal and nickel mining, including general survey, exploration, exploitation, and sales activities; and coal shipping and handling, tugboat rental, and road hauling operations, as well as nickel smelting and investing business. It also exports its products to China, Japan, Hong Kong, South Korea, Taiwan, India, Bangladesh, Vietnam, Philippines, Thailand, Norway, and the Netherlands. The company was formerly known as PT Asia Antrasit and changed its name to PT Harum Energy Tbk in December 2016. The company was incorporated in 1995 and is headquartered in Jakarta Pusat, Indonesia. PT Harum Energy Tbk operates as a subsidiary of PT Karunia Bara Perkasa.