PT Bukit Asam (Persero) Tbk is an Indonesia-based coal mining company. It is engaged in coal mining activities, including general surveying, exploration, exploitation, processing, refining, transportation and trading, maintenance of special coal port facilities for internal and external needs, operation of steam power plants for internal and external needs and providing consulting services related to the coal industry and production. The Company also involves in coal briquette production and has three production units located in Tanjung Enim, Gresik and Natar. As of December 31, 2011, it had seven subsidiaries, namely PT Batubara Bukit Kendi, PT Bukit Asam Prima, PT International Prima Coal, PT Bukit Asam Metana Ombilin, PT Bukit Asam Metana Enim, PT Bukit Asam Metana Peranap and PT Bukit Asam Banko.