Grégoire, a family firm on a European scale. GREGOIRE is one of the leading independent manufacturers in Europe, with an output of more than 1,000 windows and 300 doors a day. A position that it has built up over the years, thanks to the know-how handed down through 3 generations of Joinery professionals, and the constant application of the most up-to-date techniques. Unique know-how that today combines high-technology with tradition, enabling them to produce joinery products whose high quality is recognised by official certifications. The Grégoire factory in Périgord: 6_ million square feet of know-how and computerised technology