Europe Airpost has head office in the commune in the Bâtiment Le Séquoia. One point Virgin Express France had headquarters in Tremblay. The collèges are Descartes, P. de Ronsard and R. Rolland. The lycées are Lycée Polyvalent Leonard and Lycée Enseignement Professionnel Hélène Boucher de Vinci. The École Pierre-Brossolette had been targeted for closure.