Although, The Walsh Group specializes in building big things, it wanted to shrink its data center. The Chicago, Illinois - based builder of highways, skyscrapers, and subways sought to reduce server costs and make IT more responsive to the business. To do both, the IT staff jettisoned VMware virtualization software and used the Hyper-V virtualization technology included in Windows Server 2008 R2 to virtualize not only servers but PCs. It is adding Microsoft System Center 2012 to create a private cloud computing structure that will enable it to deliver more reliable IT services on demand. With virtualized computer resources and automated efficiencies, Walsh reduces IT management costs, frees its IT staff from repetitive work, and lowers hardware and energy costs by 20 percent.