PREFA Aluminiumprodukte GmbH has been successfully developing, producing, and marketing aluminum roofing, drainage, solar, and facade systems throughout Europe for over 80 years. The PREFA Group employs a total of around 800 staff members. The production of over 5,000 high-quality products takes place exclusively in Austria and Germany. PREFA is part of the corporate group of industrialist Dr. Cornelius Grupp, which employs over 9,000 staff members worldwide across more than 40 production sites.