Zeytinburnu Small Industrial Site Construction Cooperative

Ss Halic Alibeykoy Reservoir Area Industry and Collective Workplace Construction Cooperative

S. S. Askoop Anatolian Industrialists Collective Workplace Construction Cooperative - Askoop Private Industrial Zone

Limited Liability Istanbul Sefakoy Tradesmen and Artisans Credit Cooperative

S. S. Marmara Tankcilari Konut Yapi Kooperatifi

Dolapdere Tradesmen and Craftsmen Housing Construction Cooperative

Istanbul Blacksmiths Cooperative for Collective Workplace and Housing Construction

Istnak Construction Cooperative

Maslak Koop