PREFA Aluminiumprodukte GmbH has successfully developed, produced and marketed aluminium roof, solar and façade products throughout Europe for more than 75 years. The PREFA Group employs around 700 people in total. Over 5,000 high-quality products are produced solely in Austria and Germany. PREFA is a long-established company, part of the corporate group of industrialist Dr Cornelius Grupp which employs over 8,000 staff in over 40 production sites.