SBC Communications Inc. is one of the world's leading data, voice and Internet services providers. Through its world-class networks, SBC companies provide a full range of voice, data, networking and e-business services, as well as directory advertising and publishing. A Fortune 30 company, SBC is America's leading provider of high-speed DSL Internet Access services and one of the nation's leading Internet Service Providers. SBC companies currently serve 57 million access lines nationwide. In addition, SBC companies own 60 percent of America's second-largest wireless company, Cingular Wireless, which serves 22 million wireless customers. Internationally, SBC companies have telecommunications investments in 22 countries.