Avions Amiot products were known formerly by SECM prefix, latterly as SECM-Amiot or generally, Amiot, after founder Felix Amiot.
In 1929 Amoit amalgamated with Avions Latham.
The firm concentrated on large all-metal multi-engined aircraft, using light-metal stampings, though well before 1940 introduced stressed-skin construction. In the 1930s works at Colombes and Caudebec were reconditioning several types of metal aircraft for French Government. Changes in structural techniques were matched by aerodynamic advances; thus, the Amiot 143.