Created in 1962, IER, a Blue Systems entity (Bolloré Group), offers a range of products and services to respond to the problems of States, cities and businesses. For nearly 60 years, IER has pursued its role as a developer of solutions using new technologies to meet the specific needs of its clients. First specialized in the printing industry, the company has diversified over the years and now serves various markets such as electronic ticketing, traceability of assets, charging infrastructures, self-service equipment and pedestrian and vehicle access control solutions. Thanks to the experts who make up IER, the company offers high-performance solutions and quality services to its customers, including the design, production, implementation and operational maintenance of products and systems. The industrial and technical expertise of IER in new technologies and its know-how have enabled the company to become a major player in its various markets.