OGMA – Indústria Aeronáutica de Portugal S.A., originally Oficinas Gerais de Material Aeronáutico, is an aerospace company dedicated to the maintenance of aircraft and aircraft engines, as well as to the manufacturing of aircraft components and to aircraft engineering and logistic support. It is situated in Alverca, approximately 15 km north east of Lisbon, and employs a workforce of 1,520 and has a 3 km runway.