Ss Maslak Istanbul Collective Workplace Building Cooperative

Istanbul Blacksmiths Cooperative for Collective Workplace and Housing Construction

Istnak Yapı Kooperatifi

Yeni Altınköy Site

S. S. Marmara Tankcilari Konut Yapi Kooperatifi

Ss Halic Alibeykoy Reservoir Area Industry and Collective Workplace Construction Cooperative

Ikibin Yapi Denetim

Limited Liability Istanbul Sefakoy Tradesmen and Artisans Credit Cooperative

Dolapdere Tradesmen and Craftsmen Housing Construction Cooperative