 The remaining 35% are owned by EMPORDEF, retained by the government of Portugal.OGMA was founded as part of the reorganization of the Portuguese Army's Aeronautic Service in June 29, 1918, under the name Parque de Material Aeronáutico (Aeronautics Material Depot), with the responsibility of storing, repairing, manufacturing, and providing aeronautical material, as well as providing training to military aeronautics specialists and technicians.Ten years later the Depot was renamed Oficinas Gerais de Material Aeronáutico (General Workshops of Aeronautical Material).