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- Aluminios Cortizo Padrón (A Coruña) (Spain)
- Hydro Building Systems Belgium Landen (Belgium)
- Kawneer Harderwijk (Netherlands)
- Reynaers Aluminium Duffel (Belgium)
- SABCO Poisy (France)
- SAPA Landen (Belgium)
- Schüco Belgium Aluminium Eupen (Belgium)
- Ursus Eeklo (Belgium)
- WICONA Landen (Belgium)
- WINDOX Eeklo (Belgium)