This IDC study provides a list of the top 10 IS outsourcers worldwide and in the United States in 2011, discusses which IS outsourcer firms are leading, and provides a set of future outlooks. This study also highlights the need for IS outsourcers to transform their business models to mimic those of "pure-play" cloud providers and provides essential guidance that recommend key steps they should consider in making such a transition. The study answers the following questions:

• Which were the top 10 IS outsourcers worldwide and in the United States in 2011?
• How will recent needs impact the competitive landscape?
• What are the key U.S. industry trends, and how will these trends impact IS outsourcers and the outsourcing market?

"There are an increasing set of new players (e.g., online, SaaS, telco) that are challenging IS outsourcers for their business using new delivery capabilities referred to as cloud services, with which these new players are winning deals, some of which are reaching into the hundreds of millions of dollars, while not labeled outsourcing, have all the flavors of outsourcing," says David Tapper, VP of Outsourcing and Offshore Services Market Research at IDC. "For long-term success, providers of IS outsourcing services need to fundamentally change their business models to mimic that of a 'pure-play' cloud provider, including developing a blueprint of the 'end state' structure of cloud providers and their ecosystems, understanding potential evolutionary paths to the end state, creating an end-to-end portfolio of services, pursuing 'game changers,' embracing the need for strategic restructuring, and understanding their true core competencies, capital structure, and culture."