Wunderman, Cato, Johnson is a full-service advertising firm that offers complete marketing services, including Internet marketing services, creative consulting, database access, planning and analysis. The firm is the developer of The Loop, an extranet used as a virtual workspace for accessing and revising proprietary content. The firm has a variety of clients, including Ford, Microsoft, Citibank, Sears, Xerox, Roche, Telefonica, Danone, AstraZeneca, Club Med, AT&T, Burger King and Kraft. Wunderman has worldwide locations including operations in Chicago, Detroit, Toronto, Seattle, Latin America and Asia. Wunderman s subsidiary companies include Knowledge Base Marketing and Wunderman Media. Wunderman, Cato, Johnson was founded in 1958 and is headquartered in New York.