Lufthansa Technik AG is a Germany-based company that provides maintenance, repair, and overhaul services for aircraft, engines, and components. It is a subsidiary of the Lufthansa Group.
Headquartered at Hamburg Airport, its other important German sites are in Frankfurt Airport and Munich Airport. In greater Europe, it has major base maintenance facilities in Malta, Hungary, and Bulgaria. Overseas, it has sites located in Puerto Rico, Chile, the Philippines, and China. From Wikipedia