Our group is made up of GlobeGround Berlin and its fully-owned subsidiaries, C.S.B. Cargo Services Berlin and gsi groundservice international . gsi, established early in 2003, has specialized in made-to-measure ground-handling packages targeted on the booming low-cost airlines market. C.S.B. offers its customers, which include freight forwarders as well as airlines, the whole range of cargo handling services.