İSTON-İstanbul Concrete Elements and Ready-Mixed Concrete Factories San. ve Tic. Was established by Istanbul Metropolitan Municipality in 1986 to bring quality solutions to the infrastructure and superstructure needs of the city. As well as products to other cities of Turkey in Istanbul and serving ISTON; It also equips world cities by exporting. İSTON provides contracting and project services along with the production of concrete and reinforced concrete pipes, parketaş-bordure, ready-mixed concrete, industrial prefabricated building elements, urban industrial buildings, city furniture. Turkey's largest 500 industrial companies located between ISTON offers services to the private sector with public institutions. With its production technology, product diversity and high quality standards, İSTON is also the leader of the construction sector.
With its ISO 9001-2000 Quality Management System certificate, İSTON manufactures all its products in accordance with TSE quality standards. ISTON laboratories, where production quality is kept under constant supervision, meet the test requirements of the building sector and universities as they have international accreditation approved by TÜRKAK. In addition to TS 18001 Occupational Health and Safety Management System, İSTON applies TS EN ISO 14000 Environmental Management System and Quality Assurance System in its facilities. İSTON has adopted technology production as its responsibility while carrying out its basic activities. For this reason, with its strong R & D team, design staff and collaborations with academic circles, it pioneers the development of the building sector and brings new technologies to our country. ISTON's products and services, whose all activities are directed towards the formation of contemporary living spaces, contribute greatly to the development of the urban total quality process in terms of both function and design power.
ISTON, as an organization of Istanbul Metropolitan Municipality, fulfills its public responsibility with its people-oriented management and service approach; With its approach based on customer focus, efficiency and quality, it increases its competitiveness in the sector. ISTON continues to add new urban building elements to more than 1000 product types and will continue to build aesthetic cities of the future within the framework of contemporary urban culture.