As the world leader in soil, structural and nuclear engineering, operating in some 120 countries, the Soletanche Freyssinet g ... roup brings together an unparalleled array of specialised civil engineering expertise and brands. Its 22,100 employees strive to meet the needs of clients by proposing solutions with high technological added value that are tailored to the specific features of each project and help boost the technical performance and durability of each structure. Sixense was created in June 2016. Alongside Soletanche Bachy, Menard, Terre Armée, Freyssinet and Nuvia, this new business line provides solutions for optimising and monitoring infrastructure, ground and soils, and the environment throughout the life cycle of engineering structures. read more