CESI has been one of the first Italian companies to implement the Model of organization management and control contemplated on the 8 June 2001’s Legislative Decree n. 231, which sets up a system of Company’s administrative responsibility for several type of crimes. During the years, the original Model of organization management and control has been updated and integrated to keep up with all different legislative actions. The current model represents an additional intake of responsibility within clients and suppliers’ interactions and inside internal relationship. For the stakeholders this is the best warranty of an efficient and proper management.