CDW Corporation provides information technology (IT) solutions 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 and services, as well as integrated IT solutions, including on-premise and cloud capabilities across hybrid infrastructure, digital experience, and security. It also provides hardware products comprising notebooks/mobile devices, tablets, network communications, desktop computers, collaboration, data storage and servers, and others; and software products, such as cloud solutions, software assurance, application suites, security, virtualization, operating systems, and network management. In addition, the company offers advisory and design, software development, implementation, managed, professional, configuration, partner, and telecom services, as well as warranties; delivers and manages mission critical software, systems, and network solutions; and implementation and installation, and repair services to its customers through various third-party service providers. It serves government, education, and healthcare customers; and small, medium, and large business customers. CDW Corporation was formerly known as CDW Computer Centers, Inc. and changed its name to CDW Corporation in June 2003. The company was founded in 1984 and is based in Vernon Hills, Illinois.