Abstract
The Banshu area forms the largest somen noodle production center for the above 110 years from Meiji 30's to the present. Then, where is the source of sustainable competition advantage? And what activity did the cooperative association carry out for local brand construction and management? An organization system, the know-how of the merchandise, the maintenance of the brand, a price/supply and demand adjustment, the development of the distribution are nominated for brand-building by the cooperative association. Both either of accumulation for the long-term is demanded. This study intends to clarify the structure for Banshu somen noodles production area and describe concerning activities and functions to the brand-building by the cooperative association.