Here are the core activities of the companies:
1. Maturi & Sampietro SA: Metal constructions, particularly windows, doors, wrought iron work, greenhouses and ventilated facades.
2. VELUX Commercial: Daylight and ventilation solutions for industrial, public and commercial buildings.
3. Elsner Elektronik: Climate control systems and components for buildings.
4. SIMON PROtec: Smoke and heat exhaust systems (RWA) and textile smoke and fire barriers.
5. konavent ag: Window ventilation systems, door automation and smoke and heat exhaust.
6. TOPP: Automation of doors and windows.
7. VELUX Commercial: Daylight and ventilation solutions for industrial, public and commercial buildings.
8. konavent ag: Window ventilation systems, door automation and smoke and heat exhaust.
9. konavent ag: Window ventilation systems, door automation and smoke and heat exhaust.
10. konavent ag: Window ventilation systems, door automation and smoke and heat exhaust.