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Integrated Management System


Creating an integrated system which matches our projects and company strategies and delivering high quality services to our clients, is the result of our deep commitment to the highest professional standards. Tunnel Sadd Ariana company is honored to be certified by credible international institutes various certificates such as the IAS, DAKKS, and JAS-ANZ.


ISO 9001 2015

ISO 21500 2012

ISO 14001 2015

ISO 45001 2018



  •  No.11, Ettehad St., South Shiraz St.,
    Mollasadra St.,Vanak Sq., Tehran, Iran 
  • (+98) 02188616800  
  •   (+98) 02140883922