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v t e AT&T Inc.
Corporate directors	Template:Navbox subgroup Gilbert F. Amelio August A. Busch III Martin K. Eby, Jr. James A. Henderson Charles F. Knight Lynn M. Martin John B. McCoy Mary S. Metz Toni Rembe S. Donley Ritchey Joyce M. Roche Laura D. Tyson Patricia P. Upton
Acquired companies	AT&T Corp. Ameritech BellSouth Pacific Telesis Southern New England Telecommunications
Operating Companies	BellSouth Telecommunications Illinois Bell Indiana Bell Michigan Bell Nevada Bell Ohio Bell Pacific Bell Southern New England Telephone Southwestern Bell Wisconsin Bell
Competitive local exchange carrier	SBC Telecom
Long distance services	Alascom AT&T Communications BellSouth Long Distance SBC Long Distance SNET America
AT&T Mobility	Ameritech Mobile Communications AT&T Wireless BellSouth Mobility BellSouth Mobility DCS Dobson Communications Houston Cellular Pacific Bell Wireless Pacific Bell Wireless Northwest SBC Wireless SNET Mobility Southwestern Bell Mobile Systems Southwestern Bell Wireless
Internet services	Template:Navbox subgroup
Telephone directories	YP Holdings (47%)
AT&T Intellectual Property	AT&T Intellectual Property I AT&T Intellectual Property II AT&T Intellectual Property Marketing AT&T Properties Ameritech Properties
Research and development	AT&T Labs
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