Leader: CSC

With a "top 10" market share in the IT outsourcing market, CSC is solidly in Gartner's Leader quadrant. CSC has 298 service desk agents in the U.S. and Canada, in addition to 732 agents in South America, Europe and Asia. CSC delivers on-site desktop services in North America through 939 technicians, according to Gartner. It supports nearly 1.4 million service desks, 694,000 desktop users, more than 584,000 physical desktops/laptops and 107,000 mobile devices, Gartner said. The company also reaches users through about 27,000 walk-up kiosks.