Sahaviriya Steel Industries plc (SSI)

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Based in Bangkok, Thailand and founded in 1990. Sahaviriya Steel Industries plc is the largest hot-rolled steel sheet producer in South-east Asia, operating a modern stand-alone hot strip mill with a maximum capacity of 4 million metric tonnes per year.


  • 2-3 Floor, Prapawit Building, 28/1 Surasak Road, Silom  

Town, State, Country

  • Bangrak, Bangkok, Thailand  


  • 10500 
  • Chairman, President & Group Chief Executive Officer Win Viriyaprapaikit
  • Year Established 1990
  • No. of employees 1,001-5,000
  • Ownership Sahaviriya Group, 35.36%
  •   Vanomet Holding AG, 19.71%
  • End User Industries Automotive, electrical, construction, automobile, energy, packaging & transportation
  • Export Markets Worldwide


  • ISO/TS 16949
  • ISO 9001
  • ISO 14001
  • OHSAS 18001

Trade Association Membership

  • SEAISI - South East Asia Iron & Steel Institute


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