The Biggest Coal Company - Indonesia

Adaro
arutmin
asia natural resource
atpk resource
bayan energy
bayan resources
berau coal
bukit asam
bumi resources
central korporindo international
cetral omega resource
citra harita mineral
dayaindo resource international
indo tambangraya megah
kaltim prima coal
perdana karya perkasa
resource alam indonesia
truba alam manunggal engineering

Source : many source