VINCI SA engages in the design, building, finance, and management of facilities for transport systems, public and private buildings, urban development, water, energy, and communication networks. The company is headquartered in Nanterre, Ile-De-France and currently employs 282,481 full-time employees. The company manages four segments: Design and construction of infrastructure, Design, execution, and maintenance of energy and telecom infrastructures, Sub-contracted infrastructure management and Other. The Design and construction of infrastructure (VINCI Construction): primarily in the fields of building, civil engineering, and hydraulics. In addition, the group is developing a business in the construction, renovation and maintenance of transport infrastructure (roads, freeways and railroads; Eurovia), in the production of aggregates and in urban development; Design, execution, and maintenance of energy and telecom infrastructures (VINCI Energies and Cobra IS); Sub-contracted infrastructure management (VINCI Concessions): primarily managing roads and highways (mainly through Autoroutes du Sud de la France and Cofiroute), parking areas, airport activities; Other: primarily property development.