Its domestic U.S. network, already the largest among non-legacy providers, is expected to reach 33,000 route miles and 125 cities by the end of 2000. About Williams Communications Group, Inc. In the United States, the company currently has 94.1 million voice grade equivalent lines, 11.7 million wireless customers and is undertaking a national expansion program that will bring SBC service to an additional 30 markets. Internationally, SBC has telecommunications investments in 22 countries. With more than 208,000 employees, SBC is the 13th-largest employer in the U.S., with annual revenues that rank it among the largest Fortune 500 companies.
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