Getting to Know SSIAbout SteelSustainability
  West Coast Engineering Co., Ltdl   Maintenance and engineering   99.99 %  
  Prachuap Port Co., Ltd.   Deep sea port   51.00 %  
  Thai Cold Rolled Steel Sheet PLC.   Cold rolled steel sheet in coils   8.77 %  
  Thai Coated Steel Sheet PLC.   Electro-galvanized steel sheet in coils   3.70 %