Deursystemen
- AluK Belgium Hamme (Belgium)
- Aluminios Cortizo Padrón (A Coruña) (Spain)
- Aluplast Karlsruhe (Germany)
- AMCovering Wielsbeke (Belgium)
- ANAF Doors Oeselgem (Belgium)
- ASSA ABLOY Opening Solutions Diegem (Belgium)
- Aug. Winkhaus Telgte (Germany)
- CORTIZO Padrón (A Coruña) (Spain)
- De Coene Products Gullegem (Belgium)
- FenekO Group Brussel (Neder-Over-Heembeek) (Belgium)
- Forster Duffel (Belgium)
- GEALAN Fenster-Systeme GmbH Oberkotzau (Germany)
- GEZE Eindhoven (Netherlands)
- GRETSCH-UNITAS Belgium Brasschaat (Belgium)
- Hansen Głogów Małopolski (Poland)
- JANSEN NL-BE Breda (Netherlands)
- Kurtoglu Bakir Kursun San AS Terikdag (Turkey)
- MACO Beschläge Zelhem (Netherlands)
- PORTES SESAME Leuze-en-Hainaut (Belgium)
- Reynaers Aluminium Duffel (Belgium)
- SAPA by HYDRO BUILDING SYSTEMS Landen (Belgium)
- Sunparadise Deinze (Belgium)
- WINSOL Izegem (Belgium)