PT Alamtri Resources Indonesia Tbk, together with its subsidiaries, engages in the coal and mining business in Indonesia. It operates through Coal Mining and Trading; Mining Services; Logistics; and Others segments. The company provides trading, transportation, warehousing, quarrying, cargo handling, and mining and transportation support services. It is involved in the agriculture, construction, and seaport service activities, as well as repair and installation of machines, power supply, water treatment, and forestry and industry related activities. In addition, the company provides investment, trading and power plant, electric power supply, metal processing, and stone sand and other clays quarrying services; and transmission, distribution, and sale of electricity. It also exports its products to China, India, Korea, and Singapore. The company was formerly known as PT Adaro Energy Indonesia Tbk and changed its name to PT Alamtri Resources Indonesia Tbk in November 2024. The company was founded in 2004 and is headquartered in Jakarta, Indonesia.