Investment Casting 
  1. Lingga Sakti Indonesia, PT
  2. Metinca Prima Industrial Works, PT.
  3. Pelopor Teknologi Implantindo, PT.
  4. Stainless Steel Primavalve Majubersama, PT.
  5. Peroni Karya Sentra, PT
  6. Trieka Aimex, PT.
  7. Zenith Allmart Precisindo, PT.