Société d'Emboutissage et de Constructions Mécaniques formed 1916 at Colombes (Paris) by Félix Amiot, mass-producing Morane-Saulnier, Sopwith and Breguet aircraft. Post-war specialized in metal aircraft, including Lutèce 2-seat light biplane 1921, SECM 12 bomber later called SECM-Amiot 120BN2, SECM 22 trainer, SECM 23 3-seat biplane and SECM 24 trainer. Then dropped original title in favour of Amiot during production run of Type 122 'Grosse Julie' bomber. See Amiot.