Founded by Francis Bouygues in 1952 , Bouygues is a diversified industrial group . Its businesses focus on two sectors : construction , with Bouygues Construction ( building , civil works , energy and services ), Bouygues Immobilier ( property ) and Colas ( roads ), and also telecoms and media via TF1 and Bouygues Telecom . Bouygues recently began a collaboration with Hoffmann Green Cement Technologies to develop low carbon concrete for the industry . The Gallic construction giant has spent 25 years on the Fortune list , rising 20 places this year to 287 with its reported revenue up 13.2 %

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