The objective of this article is to give an account about results of three agglomeration experiences about the social economy activities in spanish Bilbao country, in Italy and Montreal. The study needee seven travels around the places where the informations were picked about the grounds and the expenses. It has as objective to express an amount of observed resorts after the succinct description about the grounds. In a first side, we will express some methodologic prelinimaries, definitions and hyphotesis. In a second side, we will make a description of the three experiences. For conclusion, we will group the common ingredients of there three experiences to take some analytic consequences.
Agglomeration; social economy; experiences