Vinci SA, a French concessions and construction company, was founded in 1899 as Société Générale d'Entreprises (SGE). Headquartered in Nanterre, a suburb of Paris, the company operates globally, with key businesses in concessions (managing airports, motorways, and railways) and contracting (construction, energy, and property development). Vinci's structure includes subsidiaries such as Vinci Airports, Vinci Highways, Vinci Railways, Vinci Energies, and Vinci Construction.