Société d'études techniques et économiques

Setec is the fifth largest French engineering and consulting group, involved in infrastructure and transport systems, planning, economics, waste, project, telecommunication, water, energy, geotechnical and environmental management. Setec was created in 1957 as an acronym of the French Société d'Études Techniques et ÉConomiques, which means "technical and economical design company".

Its headquarters are located in Paris, near the Seine. From the 1960s, the company began to organise into different subsidiaries and to develop its international business. In 2012, it acquired the American MWH's Brazilian subsidiary. This new company is called setec hidrobrasileira.

Main projets
The main projects that setec contributed are for example : and many others infrastructures and buildings.
 * the Channel Tunnel,
 * the Millau Viaduct,
 * the LGV Rhin-Rhône and LGV Est
 * the Peking opera,
 * the Cœur Défense skyscraper,
 * the Macau Light Rail Transit
 * the Fondation Louis Vuitton pour la création