BUKIT ASAM (PERSERO), PT South Sumatera Coal, Iskandar Maliki, Milawarma, Patrialis Akbar. info@ptba.com (62-734) 451096, 452352, 451202, 451205 www.ptba.co.id (62-734) 451095, 451252, 452993, 451099 Jl. Parigi No. 1