| Euronext Paris: ESRPT
Expertise Systèmes Reseaux SA engages in the management of information technology and telecommunications infrastructures. It operates through the following businesses: Networks and Systems, Internet, and Telecommunications. The Networks and Systems business offers design of system and network architectures, integration and management of information technology infrastructures, interconnection services, outsourcing, application migration, and technical support services. The Internet business engages in the implementation and operation of Intranet and groupware communication services, and the design and management of message systems. The Telecommunications business includes network design and engineering, equipment testing platforms development, and maintenance and technical control services. The company was founded by Jean-Guy Barboteau in 1987 and is headquartered in Meudon, France.