CS Communication & Systemes SA designs, integrates, and operates mission critical systems worldwide. It is involved in the consultancy, design, development, integration, maintenance, and operational support of infrastructure security, data security and security of paperless interactions, and security governance solutions. The company also offers decision-making and command solutions, such as crisis management and area surveillance, 2D/3D geospatial decision-making support system, and forces training and mission preparation solutions; voice communication systems and tactical data links; digital simulation, product lifecycle management and enterprise content management, and maintenance support systems; and secure industrial and embedded systems and software. It serves defense and security, space, aeronautic, and energy sectors. The company is headquartered in Le Plessis-Robinson, France.