Jarach David (2005) compared the difference between cargo carriers and integrators Whereas integrators are a logical evolution of express couriers. Nowadays, there is a growing the cargo carriers have started to accept even heavy, bulky load Lufthansa Cargo and DHL are planning a strategic network for an expected rebound in world air cargo traffic growth. 2009 could be later expanded also to SAS, Singapore Airlines and Japan Airlines, its partners in the WOW cargo alliance.”