- PT. Wana Daya Pratama
- Iron, Coal.
- Address:Jl. Pinus Raya No. 7, Lolong Blanti
- PT. ROYAL CROWN
- trading for iron sands, coal, molasses, wood, etc.
- Address:Ruko Wilis Square No.8-9, Malang, Jawa Timur, Indonesia,65115
- Prima Maesa Putra Co. Ltd.
- Iron Ore, Manganese.
- Address:Jl. S. Parman 77
- Anugrah Parahyangan Jaya, PT
- Iron Sand,Metal Mineral.
- Address:Jl. Raya Bekasi
- Johan Wahyudi
- Iron Ore, Galena, manganese.
- Address:Jl. Taman AA no. 21B
- angun sinergi
- drilling services,Iron Ore,mining service.
- Address:kemmang utara C no 34A