OPERASI PERTAMBANGAN

PT INDONESIA CHEMICAL ALUMINA

PT. ANTAM

PT. ARTHA TUNGGAL MANDIRI

PT. BORNEO PRIMA

PT. BUMI SUKSESINDO

PT. INTERNATIONAL NICKEL INDONESIA

PT. FENI HALTIM

PT. MERDEKA COOPER GOLD

PT. PANI GOLD PROJECT

PT. SEBUKU SEJAKA COAL

PT. SEBUKU TANJUNG COAL