Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Velfac A/S is a Danish company who produces windows for the building industry. The company is part of VKR Holding A/S, which also owns, among other things, Velux and Rational. VELFAC exporting to several countries and has sales offices in Great Britain, Ireland, Sweden and Denmark. VELFAC A / S headquartered in Ringkøbing and has over 1,000 employees and an annual turnover of just over Pds. 1.5 billion (2007).