Founded by Francis Bouygues in 1952, Bouygues is a diversified group of industrial companies structured by a strong corporate culture. Its businesses are centred on two hubs: construction, with Bouygues Construction, Bouygues Immobilier, and Colas; and telecoms and media, with French TV channel TF1 and Bouygues Telecom. Its subsidiary Bouygues Construction is a world player in the fields of building, public works, energy, and services. Bouygues Travaux Publics is a subsidiary of Bouygues Construction. It has a worldwide reputation in public works, and carries out large civil engineering and infrastructure projects, underground works, linear projects, and river and maritime engineering in France and internationally.