Deutsche Lufthansa AG is an aviation company with operations worldwide. The Lufthansa Group operates in five business segments: scheduled passenger air traffic (Passenger Airline Group) through Deutsche Lufthansa AG, Lufthansa CityLine GmbH, Swiss International Airlines AG, Austrian Airlines AG, British Midland Ltd., Air Dolomiti S.p.A., Eurowings Luftverkehrs AG and Germanwings GmbH; scheduled airfreight services (Logistics) through the Lufthansa Cargo group; maintenance, repair and overhaul (MRO) through the Lufthansa Technik group; information technology (IT Services) through the Lufthansa Systems group, and catering (Catering) through the LSG Lufthansa Sky Chefs group. In September 2009, Austrian Airlines AG was taken over by Deutsche Lufthansa AG. In July 2009, it acquired 45% of the parent company of Brussels Airlines, SN Airholding SA/NV