Current which companies have adapted cloud computing?

i know of star bucks but which other companies had already adapted cloud computing,


i have to write assignment on cloud computing so f u can give me ideas abt what to include in my assignment on cloud computing|||Many companies adopted Cloud Computing and invested a lot





Main Cloud Providers (and of course adapters)


Google (Google AppEngine)


Amazon (Amazon Web Services -AWS-)


Microsoft (Microsoft Windows Azure)


SalesForce (Force Platform)





Companies who adapt and implement cloud based solutions


IBM


HP


Fujitsu


Dell





you can start with the main providers -first list- and get their clients