As the domestic policy of the Ottoman Empire, “Chamber of Commerce” was established in 1885 in İzmir, the trade city of the centuries. This establishment was first beneficial for the tradesmen. However, it could not be active in long wars and occupation period. Positive works increased in Republic period. İzmir Chamber of Commerce strengthened its long-standing structure and became the leading non-governmental organization of Turkey. Currently, it has total of 80 thousand members, 61 thousand of which are active, and 19 thousand inactive.