Gebze Printers and Advertisers Association

Association for Supporting Contemporary Life

Gebze Education Bir-Sen

Kocaeli Gebze Besiktas Fans Association

Tekgida-Is Sendikasi

Tez-Koop-İş Sendikası Kocaeli Şubesi

Petrol-Is Union - Gebze Branch

Kocaeli Certified Public Accountant Financial Advisors Chamber - Gebze Representation

Ataturkist Thought Association Gebze Branch

Happy Child

United Metal - Is Union