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AT&T

AT&T Inc. (AT&T), incorporated in 1983, is a holding company whose subsidiaries and affiliates operate in the communications services industry both domestically and internationally providing wireline and wireless telecommunications services and equipment, as well as directory advertising and publishing services. The services and products offered by the Company include local exchange services, wireless communications, long-distance services, data/broadband and Internet services, telecommunications equipment, managed networking, wholesale services, directory advertising and publishing. AT&T operates in four segments: wireline, wireless, directory and other. The Company groups its operating subsidiaries corresponding to its four operating segments: AT&T wireline subsidiaries provide primarily landline telecommunications services to residential, business and governmental customers, both domestically and internationally; AT&T Mobility LLC (AT&T Mobility) provides both wireless voice and data communications services across the United States, and through roaming agreements, in a substantial number of foreign countries and is held by a wireless subsidiary of AT&T; directory subsidiaries provide services related to directory advertising and publishing, and other subsidiaries include Sterling Commerce Inc. (Sterling), all corporate and other operations, and BellSouth Corporation (BellSouth).

Official website:www.att.com