Deceuninck NV is a Belgian multinational company specializing in the design, manufacture, recycling, and distribution of innovative multi-material window, door, and building solutions. Founded in 1937 and headquartered in Hooglede-Gits, Belgium, it operates 14 production sites worldwide, serving over 90 countries across Europe, North America, Turkey, and emerging markets. The company offers PVC and aluminum profiles for windows, doors, and sliding systems; building products like cladding, roofline items, decking under the Twinson brand, siding, railings, and noise barriers; as well as roller shutter systems and interior finishes. With approximately 3,686 employees, Deceuninck NV emphasizes energy efficiency, sustainability, and recyclability, holding over 200 patents in designs, processes, and materials. Its superior insulation properties support climate goals, while low-maintenance, long-lasting products minimize ecological footprints. Key leadership includes CEO Stefaan Haspeslagh and Executive Chairman Francis Jozef Willem Antoon Van Eeckhout. Deceuninck NV plays a vital role in the construction supplies sector, enabling comfortable, sustainable homes and buildings globally.