1. Confederation of Turkish Tradesmen and Craftsmen (TESK)
2. Union of Chambers and Commodity Exchanges of Turkey (TOBB)
3. Ankara Chamber of Industry (ASO)
4. Aegean Chamber of Industry (EBSO)
5. Bursa Union of Chambers of Tradesmen and Craftsmen
6. İstanbul Union of Chambers of Tradesmen and Craftsmen
7. İstanbul Chamber of Automotive Craftsmen
8. İstanbul Eastern Industrial Site Management
9. İzmir Union of Chambers of Tradesmen and Craftsmen
10. İzmir Chamber of Car Mechanics
11. Bursa Chamber of Metalware Craftsmen
12. Bursa Chamber of Car Mechanics
13. Diyarbakır Chamber of Tradesmen and Craftsmen
14. Diyarbakır Chamber of Commerce and Industry
15. Ostim S.S. Building Cooperative of Small Industrial Site of Ankara
16. General Directorate of Turkish Employment Organization
17. Ministry of National Education General Directorate of Apprenticeship and Non-Formal Education