Michigan Bell

Michigan Bell Telephone Company

Type	Private (subsidiary of AT&T)
Industry	Telecommunications
Founded	1904
Headquarters	AT&T Michigan Headquarters Detroit, MI, USA
Key people	Jim Murray,^[1] President
Products	Local telephone service
Number of employees	8,900
Website	http://www.att.com

Michigan Bell is the subsidiary of AT&T serving the state of Michigan. Following the Bell System divestiture on January 8, 1984, the company became a subsidiary of Ameritech, the Regional Bell operating company that served the midwestern United States. Ameritech was subsequently acquired by SBC Communications, which later changed its name to AT&T.

Michigan Bell Headquarters Building, Detroit

Michigan Bell was one of the 22 Local Exchange Carriers that were part of the original AT&T Bell System until the 1984 divestiture, after which Michigan Bell and four other Midwestern telephone companies became part of Ameritech, the midwestern Regional Holding Company. Ameritech was one of the seven original Bell Regional Holding Companies, or "Baby Bells". By the early 1990s, Ameritech phased out state specific names such as Michigan Bell in favor of using the Ameritech name for marketing purposes. After Ameritech's acquisition by SBC Communications, the former Ameritech companies were briefly marketed as SBC Ameritech, as a transition to a unified "SBC" brand name in all 13 states in which SBC then did business. When this been accomplished, in 2005, SBC Communications acquired AT&T. The newly merged company began marketing itself throughout the United States as the "new" AT&T. Michigan Bell is still the legal entity that provides telecommunications services in Michigan under the AT&T name. It is headquartered in Detroit.

References

↑ Lane, Amy AT&T’s Michigan President Gail Torreano taking new post in Dallas, Crain's Detroit Business, June 4, 2009, Retrieved 11 July 2011

AT&T

Corporate directors

Chairman, CEO and president	Randall L. Stephenson

Acquired companies

Bell Operating Companies

Competitive local exchange carrier

SBC Telecom

Long distance services

AT&T Mobility

Internet services

IP services (VoIP, IPTV)	U-verse

AT&T Internet Services	Ameritech Interactive Media Services Pacific Bell Internet Services Prodigy Southwestern Bell Internet Services

Other ISPs	AT&T Business Internet BellSouth FastAccess DSL

Directories	Anywho.com Yellowpages.com

Television channels

DirecTV Sports Networks	Root Sports Northwest (40%) Pittsburgh Rocky Mountain Southwest Utah

Other	Game Show Network (42%) MLB Network (16.67%) Audience Network

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

Bell System

Parent company

American Telephone and Telegraph Company

Local telephone companies still extant

Wholly owned	Bell Telephone Company of Nevada The Bell Telephone Company of Pennsylvania The Chesapeake & Potomac Telephone Company The Chesapeake & Potomac Telephone Company of Maryland The Chesapeake & Potomac Telephone Company of West Virginia The Chesapeake & Potomac Telephone Company of Virginia Diamond State Telephone Illinois Bell Indiana Bell Michigan Bell Mountain Bell New England Telephone New Jersey Bell New York Telephone Northwestern Bell Ohio Bell Pacific Northwest Bell Pacific Telephone South Central Bell Southern Bell Southwestern Bell Wisconsin Telephone

Partially owned	Southern New England Telephone Cincinnati Bell

Other subsidiaries

Manufacturing	Western Electric

Research	Bell Labs

Long distance	Long Lines

Wireless	Advanced Mobile Phone Service

Regional Bell Companies	Bell Canada (1880-1975)

Historical

Commemorative	Alexander Graham Bell National Historic Site Bell Boatyard Bell Homestead National Historic Site Bell Telephone Memorial Telephone Pioneers of America Spirit of Communication

Defunct	Bell Telephone Company New England Telephone and Telegraph Company International Bell Telephone Company The Bell Telephone Company of Canada Northern Electric Bell Telephone Manufacturing Company AT&T Technologies, Inc.

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