Bouygues is a diverse group organized around four sectors of activity:
- construction (75.5% of net sales) : construction and maintenance of transportation, leisure, and urban development infrastructures (46.7% of net sales; Colas; No. 1 worldwide for roads), building and public works activities concerning networks, electrical and thermal engineering, and facility maintenance (45.5%; Bouygues Construction), and real estate development (7.8%; Bouygues Immobilier);
- telecommunication (18.5%; Bouygues Telecom): mobile telephony, fixed telephony, Internet access, etc.;
- media (5.9%; TF1);
- other (0.1%).
Net sales are distributed geographically as follows: France (60.1%), Europe (19.3%), America (11.9%), Asia/Pacific (6.1%), and Africa and Middle East (2.6%).