AT&T is among the world's premier voice, video and data communications companies, serving consumers, businesses and government. In 2001, AT&T had annual revenues of $52.5 billion. Backed by the research and development capabilities of AT&T Labs, the company runs the world's largest, most sophisticated communications network, and is the largest cable operator in the U.S. The company is a leading supplier of data and Internet services for businesses and offers outsourcing, consulting and networking-integration to large businesses.