I'm working in US and planning to come down to Qatar for a year or so, I work with IBM in SAP Technical field. Atos Origin is not a big company in US, it is a big company in Middle East and Europe. Here the Big 5 companies are: ABCDI

A -- Accenture
B -- BearingPoint
C -- Cap Gemini
D -- Deloitte
I -- IBM

Thanks,
Anil