CDW Corporation provides integrated information technology (IT) solutions to business, government, education, and healthcare customers in the United States, the United Kingdom, and Canada. It operates through three segments: Corporate, Small Business, and Public. The company offers discrete hardware and software products, as well as integrated IT solutions, including mobility, security, data center optimization, cloud computing, virtualization, and collaboration.

Its hardware products comprise notebooks/mobile devices, network communications, desktop computers, video monitors, enterprise and data storage products, printers, and servers; and software products include application suites, security, virtualization, operating systems, and network management. The company also provides warranties, managed services, and consulting design and implementation services. CDW Corporation was founded in 1984 and is based in Lincolnshire, Illinois.