CDW Corp. engages in the provision of information technology solutions to small, medium, and large business, government, education, and healthcare customers. It operates through the following segments: Corporate, Small Business, Public, and Other. The Public segment includes government agencies and education and healthcare institutions. The Other segment focuses on CDW UK and Canada. The company was founded in 1984 by Michael P. Krasny and is headquartered in Lincolnshire, IL.