- Core Miner Nusantara
- Exploration Services,Mining service,Mining Investment,Foreign Direct Investment,Mining Consultant,Logistic,Coal and MIneral Drilling,Geological Works,Nickel Ore,Manganese Ore,Coal,Iron Ore.
- Address:minercore building
- CV. Terrasolusi (JO PT. Engka Energi)
- Mineral Exploration (nickel and Gold),Silca sand,Consultation,Oil And gas Consultant.
- Address:Jalan Baji Ateka No. 3
1