CS Communication et Systemes is a contractor in the design, integration and operation of mission critical systems, and is focused on sectors such as: Defense, Space and Security (By combining information, systems interoperability and operations command, Co. leverages the deployment of mission-critical defense), Aeronautics (Co. conducts projects and develops and maintains technical information and real-time systems), Transportation (Co. offers solutions, spanning from roadside equipment to back-office systems, from integration to operation and maintenance support), and Energy and Industry (simulation, high performance computing, safety, risk management, and production data processing).

Groupe Gorge is a holding company engaged in three areas of operation: Smart Safety Systems (develops Smart Safety Systems designed to operate in hostile and constrained environments for civil and defense sectors); Protection in Nuclear Environments (protection solutions in nuclear environments: shielding by partition systems in nuclear power stations & protection against radiation for staff working in nuclear environments); and Industrial Project Services (industrial projects and maintenance, creating production tools and turnkey operation areas, projects and services in industrial robotics, iron works, automation, 3D printer offerings, electricity and fire fighting systems).