6 out of 9 defense industry companies that are listed among the first 500 biggest industrial enterprises of Turkey are located in Ankara. These 6 companies constitute 66% of the total turnover with their turnover values summing up to 5.1 billion dollar (İstanbul Chamber of Industry, 2019).
In particular, a majority of the defense subsidiary industry such as electrics, electronics and informatics are based in Ankara under Ostim Defence and Aviation Cluster. Five Turkish defense company that are listed among the world’s top 100, Aselsan, TAI, STM, BMC and Roketsan are also based in Ankara.