The most important one is Pianezze, which has an important textile factory, called Carlo Barbera, where luxury clothes sold all over the world are made.
Carlo Barbera is a family-owned high-end textile manufacturer and clothing designer in Callabiana Italy, about 50 miles west of Milan where there is a Luciano Barbera showroom.
Besides Mosso and Valle Mosso other municipalities of the area are Cossato (a town which lies in the main valley near its exit on the Po plain) and Bioglio, Callabiana, Camandona, Crosa, Lessona, Piatto, Pettinengo, Quaregna, Ronco Biellese, Selve Marcone, Soprana, Strona, Ternengo, Trivero, Vallanzengo, Valle San Nicolao, Veglio, Zumaglia.