CDW takes more orders than Beetle Bailey. The company offers about 100,000 technology products, including notebook and desktop computers, software, printers, servers, storage devices, networking tools, and accessories. Top brands include Adobe, Apple, Cisco, Hewlett-Packard, Microsoft, Sony, ViewSonic, and Xerox, among others. CDW operates a retail store at its corporate headquarters and manages an e-commerce site. It also has a Toronto-based subsidiary that markets computer products to customers across Canada. Almost all of the company's sales come from public-sector clients and private businesses. Founded in 1984, it is owned by private equity firms Madison Dearborn Partners and Providence Equity Partners.