PT Alamtri Minerals Indonesia Tbk, together with its subsidiaries, engages in metallurgical coal mining business in Indonesia. It operates through Mining, Metal Processing, and Other Services segments. The company holds interest in five CCOWs mining concessions located in East Kalimantan and Central Kalimantan. It also provides management consulting services. The company was formerly known as PT Adaro Minerals Indonesia Tbk. The company was founded in 2007 and is headquartered in Jakarta Selatan, Indonesia. PT Alamtri Minerals Indonesia Tbk (IDX:ADMR) is a subsidiary of PT Alamtri Resources Indonesia Tbk.