1) Company of Belgium 
Deceuninck NV is a Belgian designer and producer of PVC systems for windows and doors, interior, roofline & cladding and terraces. The company extrudes PVC and the single base material Twinson. Founded in 1937, with its headquarters in Hooglede-Gits, the Deceuninck Group operates in more than 75 countries and has 35 subsidiaries across Europe, Nor...