1. IBM Global Services
2009 Revenue: $55 billion
IBM Global Services is the professional services arm of IBM, including management consulting, systems integration and application management services.
At IBM’s CIO Leadership Exchange in Barcelona, Spain, CEO Sam Palmisano offered these remarks: “As our planet becomes instrumented, interconnected and intelligent, the computing model is evolving to support it. Think of it as the industrialization of IT. Over the past generation, our digital infrastructures have become very complex and inefficient, so now we’re optimizing them through automation, creating systems that are highly tuned to the specific workloads they run.”