Formed by designer Yves Gardan at St-Florentin (Yonne) 1967 to produce low-wing light monoplanes GY 90 Mowgli 2-seater, GY 100 Bagheera 4-seat and larger more powerful GY 110 Sher Khan. Full title Société Industrielle de Tolerie pour l'Aéronautique et Matériel Roulant, ceased trading 1972 but GY 90 plans remained available.