Who We Are?

İSTON – Istanbul Concrete Elements and Ready-Mix Concrete Factories Industry and Trade Inc. was established in 1986 by the Istanbul Metropolitan Municipality to provide high-quality and innovative solutions for the city’s infrastructure and superstructure needs. İSTON products are preferred not only in Istanbul and various cities across Turkey but also in numerous countries worldwide through its export activities.

With a team of approximately 1,000 experts, İSTON operates across six campuses, including its headquarters in Tuzla, Hadımköy, Altunizade, Yenibosna, Bayrampaşa, and Esenler Giyimkent.

İSTON’s extensive product portfolio includes urban furniture, playground equipment, concrete and reinforced concrete pipes, paving stones and curbs, ready-mix concrete, and prefabricated infrastructure elements. In addition, the company provides architectural design, urban project implementation, contracting, and building inspection services.

All of İSTON’s activities are carried out within the framework of Occupational Health and Safety Management System, Environmental Management and Quality Assurance System, Information Security Management System, and Quality Laboratory Management System. The company adopts sustainability as one of its core corporate principles. Its production facilities have been awarded the Gold Certificate by the International Concrete Sustainability Council (CSC).

Through its investments in R&D and design, İSTON introduces innovative products and technologies to urban life and the construction sector, actively participating in national and international industry-academia collaborations.

The company develops products and designs aligned with the future of cities, focusing on enhancing the aesthetics, comfort, and quality of urban spaces. With over 2,000 product types, İSTON is one of the most comprehensive companies in the global construction sector, continuously expanding its activities with new products and services.

As a subsidiary of the Istanbul Metropolitan Municipality, İSTON embraces a participatory and democratic management approach. Responding to the changing expectations and needs of urban dynamics with a holistic perspective, it implements innovative and sustainable projects that make a difference in cities in line with the Istanbul Metropolitan Municipality’s “Next Generation Municipalism” vision.

İSTON’s Hadımköy Factory has been certified at the Platinum level by the International Concrete Sustainability Council (CSC), reflecting its commitment to excellence, sustainability, and environmental responsibility.

Additionally, the company’s outstanding performance in occupational health and safety was recognized with the “Distinction Winner” title at the 66th International Safety Awards organized by the British Safety Council.

Finally, İSTON has been awarded the “Gender Equality in Business Life” certificate, reaffirming its commitment to gender equality and inclusivity. The company is an active member of the Ready-Mixed Concrete Association and the Prefabricated Structures Association, and with its strong market position and financial performance, it is listed among the Fortune 500 companies.