Aerospace Engineering Group (AEG) is a company dedicated to the repair and maintenance of aircraft components (MRO), including direct maintenance of components (except for structures and main engines) and rental and sale services. Its specialty focuses on electrical, hydraulic components, avionics, fuel and tires and has capacity for virtually any type of aircraft, civilian or military. The firm has a total of three centers in Spain (Bilbao, Madrid and Seville) and its main clients are Lufthansa Techniks, SR Techniks, ST Aerospace, Airbus Military, and various air forces. It works for the programs A320, AA321, A340, B 737 NG, B-767, B 747, B 757, Hercules C130, P3 Orion, F16, C-212, C-235 and C-295. Available certifications EASA 145, FAA 145; PEC AL 2120, DO A part 21.