This study proposes an investigation to prove that when companies organize in networks and use social innovation in a productive system gets economic and social gain. The object of study is a case study of Milk Producers Association of Fartura, São Paulo. The object of study is a case study of Milk Producers Association of Fartura, São Paulo. This case study can be interpreted as a social innovation, as the association of producers brought social and economic benefits for a community; there has been new products and processes in order to innovate the marketing and production of lasting and sustainable milk.