Esr operates in the Computer related services sector. ESR SA is a France-based company that designs and installs information and communication systems. The Company's activities center around four areas: information technology (IT) systems, related to architecture, archiving, migration and deployment and security, among others; telecommunications, connected with operation and maintenance, software development and technical control; data storage, which comprises such services as management of network and protection of data, and e-security, including consulting and assistance, integration of technological and technical solutions and management of security process. ESR SA's main clients belong to banking and insurance, telecommunication operator, servicing and industrial and hard and software computing sectors. Some of the clients are Nokia, Motorola, France Telecom, Societe Generale and AGF. As of December 31, 2010, ESR SA operates through four subsidiaries including SAS InfoDesign, ESR Switzerland, ESR Consulting and Servitique. In our complete report available for purchase the company is compared to: Risc Group, Generix and ESI Group.