Our aim in this research paper is to propose useful and practical criteria to answer the question of targeting aid of a micro-economic structure: Generating Activity of Revenues type. To achieve this goal, we have constructed macro and micro indices linking thecapital of a Generating Activity of Revenues with the update, which allowed us to obtain: a) A socioeconomicpartition of structures constituting the fabric of Generating Activity of Revenues; b) Indices based on the global rentability permitting to order these structures of thisbasis notion. 
