VELUX Deutschland GmbH Learn more FOSTEC & CompanyReferencesVELUX Deutschland GmbH VELUX is the world’s largest manufacturer of roof windows. Company founder Villum Rasmussen developed the first VELUX roof window in 1942. In addition to roof windows and sophisticated skylights for sloping and flat rooves, the product range includes sunshade products, rolling shutters and accessories for window assembly. With more than 10,000 employees, production sites in 11 countries and distribution companies in more than 40 countries, the international VELUX Group is one of the world’s largest producers of construction materials. Industries: Construction & Building Materials Visit Website