The performance of Brazilian companies is compared and presented through an internet Benchmarking and Monitoring System (SIMAP) with different criteria as indicators, methods, best practices and technologies. The SIMAP has 46 criteria to compare companies with the same product or process that are part of a supply chain or industrial agglomeration. The analytical potential of this computer system supports the identification of industry trends and improvements giving support for cooperation and collaboration at the mesolevel of the systemic competitiveness. This review includes the latest data of 160 companies and some features of SIMAP.