Gold Certificate by the International Concrete Sustainability Council-2020

The Hadimkoy Plant was Granted with the Gold Certificate by the International Concrete Sustainability Council (CSC). The Tuzla Plant was Granted with the Silver Certificate by the International Concrete Sustainability Council (CSC).

Istanbul Chamber of Commerce, Gold Plaque - 2009

The traditional Gold Plaque awarded every year by Istanbul Chamber of Commerce to the “Most Successful Taxpayers” was granted to Iston in 2008. Acknowledged as one among the biggest service, industrial and financial companies of Turkey, Iston has also been the only company to be awarded with the Gold Plaque among the subsidiaries of Istanbul Metropolitan Municipality.

Istanbul Chamber of Industry, Innovation Award - 2009

As a subsidiary of Istanbul Metropolitan Municipality, ISTON became the only public capital company to be awarded by ISO in the contest organized to distinguish the successful examples that achieve sustainable competitive advantage.

Golden Beam - Prefabrication Association - 2007

The Golden Beam awards were given to 7 persons and institutions in three categories during the inauguration of the 12th Prefabrication Symposium held by Mimar Sinan University and Prefabrication Association in collaboration. Previously awarded with the Golden Plummet by the Building Information Centre, RPC Manhole Cover ranked first in the best production category for 2004/2006 period of the triennial Golden Beam awards.

Golden Plummet, Building Information Centre - 2006

ISTON achieved “the Golden Plummet”, the first and only Turkish award for building elements since 1991, with the revolutionary ISTON RPC Manhole Covers. During the event, Kadir Serdar Taflan, the Director General of ISTON, received the award from Dogan Hasol, Board Chairman of the Building Information Centre. Taflan said that they felt proud to have contributed to the building industry and that they would continue to offer solutions with new projects and researches.