OSSA, OSTIM Defense & Aviation Cluster is a non-governmental organization that was established in 2008 to improve the competitiveness of the OSTIM Organized Industrial Zone. Working rigorously with its experienced and high-profile staff, OSSA provides consultancy for small and medium enterprises in the Defense and aviation industry while providing them with an opportunity to introduce their companies on both a local and international platform. 

With the cooperation and support of SSM (Undersecretariat for Defense Industries), Republic of Turkey Ministry of Economy, OSTIM Organized Industrial Zone, KOSGEB (Republic of Turkey Small and Medium Enterprises Development Organization), ASO (Ankara Chamber of Industry), ATO (Ankara Chamber of Commerce), TUBITAK (The Scientific and Technological Research Council of Turkey), SaSaD (Defense and Aerospace Industry Manufacturers Association), SSI (Defense and Aerospace Industry Exporters’ Association), Ankara Development Agency, OSTIM Metutech,  University of Turkish Aeronautical Association, Gazi University, Hacettepe University, Atılım University; OSSA is efficiently conducting its activities with 190+ qualified members and 7000+ personnel in order to increase the share of domestic production and to support the actions of the Turkish Defense Industry.