Born when the science of electrical engineering was still in its infancy, SNEF has grown into a powerful business. Founded in 1905, the company (known as Groupe SNEF) specializes in climate control (HVAC), communications systems, electrical engineering, industrial processes, and security systems. Its customers include large firms, government agencies, and building administrators. Groupe SNEF works from about 100 offices in France and through more than a dozen international subsidiaries, mostly in Europe and Africa. The firm works on more than 40,000 projects a year. Among its most notable: Op�ra de Lyon; the Charles de Gaulle aircraft carrier; and the national stadium, Stade de France.