Schüco is one of the leading suppliers of high-quality window, door and façade systems made from aluminium, PVC-U and steel. Millions of Schüco products are used all over the world and meet the highest requirements of design, comfort, security and energy efficiency. 

Reynaers is a leading European specialist in the development and marketing of innovative and sustainable aluminium solutions for windows, doors, curtain walling, sliding systems, sun screening and conservatories. Besides offering an extensive range of standard solutions, the company also develops solutions that are tailored to the individual customer or project. Research, product development and testing are conducted at the Reynaers Institute, the sector’s largest private innovation and testing centre, located in Duffel (Belgium). In addition, the company also provides extensive technical support and advice to fabricators, contractors and architects.

Over more than 50 years, the WICONA brand has developed into a synonym for aluminium profile systems that meet the highest standards in curtain walling, highly insulated windows, roof glazing and heavy duty doors. Our exacting technological standards, rigorous system considerations and the quality manufacture of all our products, as well as comprehensive services and technical support, have all made a significant contribution to the success of the brand.

The Technal brand is part of SAPA, the world's leading group in the building systems sector, dedicated to the creation of innovative and sustainable aluminium façade systems that inspire contemporary architecture. .

MACO Door & Window Hardware (U.K.) LTD is one of the world's leading manufacturers of window and door fittings and based in Salzburg, Austria. The company employs more than 2300 people in total worldwide (as at July 2007) and has a total operating area of over 140,000 m²

Aliplast Belgium is part of the internationally renowned Corialis Group (Core Innovative Aluminium Integrated Solutions), which generates a turnover of ca. 300 million and employs 1300 people.
The headquarters of the Corialis Group are likewise located in Lokeren, Belgium, and the group has establishments in the United Kingdom (Smart Systems), France (Profils Systèmes), Poland (Aliplast  Poland), China (Aliplast China) and La Réunion (JMD).