- CARPENTIER Hardwood Solutions
- Claerhout Aluminium
- CORTIZO
- Deceuninck nv - Benelux
- Fassada Systems
- Hydro Building Systems Belgium
- Kawneer
- Kingspan
- RENSON Ventilation & Sunprotection
- Reynaers Aluminium
- RP Technik GmbH Profilsysteme
- SADEV
- SAPA
- Schüco Belgium NV (Schüco Aluminium-Systeme)
- Schüco Polymer Technologies
- Ursus
- WICONA
- WINDOX
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