GBU Operation

The Contractors

Mining contractor :  PT Hillconjaya Sakti (“Hillcon”)

  • Established on 1995.
  • Services: Earthwork, Coal Mining, Road Construction, River Basin Construction, Heavy Equipment Rental, and all other works that require the use of heavy equipments.
  • Key Clients:  PT Nantoy Bara Lestari, PT Perdana Maju Utama, PT Putra Maga Nanditama, PT Sumber Rejeki Ekonomi, etc.
  • Website :

Mining contractor : PT Ricobana Abadi (“RA”)

  • Established on February 19, 1981 with core business in heavy equipment contract services and spareparts supplies
  • Developed a heavy equipment rental division in 1985 to cater to industry demand
  • Appointed sole agent for marketing kobelco branded equipment spare parts in 1986
  • Sub-contractor of JO Jaya Obayashi for Paiton PLTU project in 1991
  • Key Clients: PT Berau Coal, PT Tanito Harum,etc.
  • Website :

Hauling Contractor : PT Armada Bara Utama with 10 units of 80-ton trucks with additional 100 units of 80-ton trucks by 2015.

Barging Contractor : PT Jelajah Bahari Utama with 10 sets of tug & barge with additional 40-50 sets for the next 2 years.

Offtake Agreement : Peabody Coaltrade Asia Pte. Ltd.