AT&T

AT&T Inc.AT&T Latin AmericaSBCAmerican Telephone and Telegraph CompanyAT&T, Inc.SBC CommunicationsSouthwestern Bell1-800-CALL-ATTAT&T MobilitySBC/AT&T
AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas.wikipedia
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AT&T Corporation

AT&TAmerican Telephone & Telegraph CompanyAmerican Telephone and Telegraph Company
The Bell Telephone Company evolved into American Telephone and Telegraph Company in 1885, which later rebranded as AT&T Corporation. Southwestern Bell, rebranded as SBC Communications in 1995, acquired AT&T Corporation and rebranded as AT&T Inc. in 2005
AT&T Corp., originally the American Telephone and Telegraph Company, is the subsidiary of AT&T that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.

AT&T Mobility

AT&TCingularCingular Wireless
In 2006, AT&T Inc. acquired BellSouth, the last independent Baby Bell company, making their formerly joint venture Cingular Wireless (which had acquired AT&T Wireless in 2004) wholly owned and rebranding it as AT&T Mobility. Three months after completing the acquisition, AT&T reorganized into four main units: Communications, including consumer and business wireline telephony, AT&T Mobility, and consumer entertainment video services; WarnerMedia, including Turner cable television networks, Warner Bros. film and television production, and HBO; AT&T Latin America, consisting of wireless service in Mexico and video in Latin America and the Caribbean under the Vrio brand; and Advertising and Analytics, since renamed Xandr.
AT&T Mobility LLC, also known as AT&T Wireless, marketed as simply AT&T, is a wholly owned subsidiary of AT&T Inc. that provides wireless services to 138.8 million subscribers in the United States including Puerto Rico and the U.S. Virgin Islands.

BellSouth

BellSouth CorporationBell SouthAT&T
In 2006, AT&T Inc. acquired BellSouth, the last independent Baby Bell company, making their formerly joint venture Cingular Wireless (which had acquired AT&T Wireless in 2004) wholly owned and rebranding it as AT&T Mobility. Ameritech sold some of its Wisconsin lines to CenturyTel in 1998; BellSouth sold some of its lines to MebTel in the 2000s; U S WEST sold many historically Bell landlines to Lynch Communications and Pacific Telecom in the 1990s; Verizon sold many of its New England lines to FairPoint in 2008 and its West Virginia operations to Frontier Communications in 2010.
In a merger announced on March 5, 2006, and executed on December 29, 2006, AT&T Inc. (originally SBC Communications) acquired BellSouth for approximately $86 billion (1.325 shares of AT&T for each share of BellSouth).

DirecTV

DIRECTV SportsDirecTV Latin AmericaDirectTV
In July 2015, AT&T purchased DirecTV for $48.5 billion, or $67.1 billion including assumed debt, subject to certain conditions. In order for AT&T to fully acquire Time Warner, the Department of Justice stated that the company must divest either DirecTV or Turner Broadcasting System. On July 13, 2017, it was reported that AT&T would introduce a cloud-based DVR streaming service as part of its effort to create a unified platform across DirecTV and its DirecTV Now streaming service, with U-verse to be added soon.
DirecTV is an American direct broadcast satellite service provider based in El Segundo, California and is a subsidiary of AT&T.

AT&T Mexico

AT&TAT&T,IUSA
AT&T purchased the Mexican carrier Iusacell in late 2014, and two months later purchased the Mexican wireless business of NII Holdings, merging the two companies to create AT&T Mexico.
AT&T Mexico (formerly known as Iusacell and Nextel Mexico) also known as AT&T Wireless Mexico is a Mexican mobile telephone operator and subsidiary of AT&T, which is headquartered in Mexico City.

Turner Broadcasting System

Turner BroadcastingTBSTurner
In order for AT&T to fully acquire Time Warner, the Department of Justice stated that the company must divest either DirecTV or Turner Broadcasting System. Three months after completing the acquisition, AT&T reorganized into four main units: Communications, including consumer and business wireline telephony, AT&T Mobility, and consumer entertainment video services; WarnerMedia, including Turner cable television networks, Warner Bros. film and television production, and HBO; AT&T Latin America, consisting of wireless service in Mexico and video in Latin America and the Caribbean under the Vrio brand; and Advertising and Analytics, since renamed Xandr.
Turner Broadcasting System, Inc. is an American media conglomerate that is a division of AT&T's WarnerMedia, and manages the collection of cable television networks and properties initiated or acquired by Ted Turner.

DirecTV Now

On July 13, 2017, it was reported that AT&T would introduce a cloud-based DVR streaming service as part of its effort to create a unified platform across DirecTV and its DirecTV Now streaming service, with U-verse to be added soon.
DirecTV Now (stylized as DIRECTV NOW, also known simply as DTV Now ) is a subscription streaming television service owned by AT&T, which allows subscribers in the United States to stream programming from cable channels without the long term commitment.

Warner Bros.

Warner Bros. PicturesWarner BrothersWarner Bros. Entertainment
Three months after completing the acquisition, AT&T reorganized into four main units: Communications, including consumer and business wireline telephony, AT&T Mobility, and consumer entertainment video services; WarnerMedia, including Turner cable television networks, Warner Bros. film and television production, and HBO; AT&T Latin America, consisting of wireless service in Mexico and video in Latin America and the Caribbean under the Vrio brand; and Advertising and Analytics, since renamed Xandr.
Warner Bros. Entertainment Inc. (formerly Warner Bros. Pictures, Inc.), commonly referred to as Warner Bros. or Warner and abbreviated WB, is an American entertainment company headquartered in Burbank, California and a subsidiary of AT&T's WarnerMedia.

HBO

Home Box OfficeHBO PPVHBO Independent Productions
Three months after completing the acquisition, AT&T reorganized into four main units: Communications, including consumer and business wireline telephony, AT&T Mobility, and consumer entertainment video services; WarnerMedia, including Turner cable television networks, Warner Bros. film and television production, and HBO; AT&T Latin America, consisting of wireless service in Mexico and video in Latin America and the Caribbean under the Vrio brand; and Advertising and Analytics, since renamed Xandr.
Home Box Office (HBO) is an American premium cable and satellite television network that is owned by the namesake unit Home Box Office, Inc., a division of AT&T's WarnerMedia.

Sprint Corporation

SprintSprint NextelSprint PCS
AT&T continued to operate long distance services, but as a result of this breakup, faced competition from new competitors such as MCI and Sprint.
By the mid 1970s, was beginning to take business away from AT&T, which held a monopoly at the time.

Cloud computing

cloudcloud-basedcloud services
On July 13, 2017, it was reported that AT&T would introduce a cloud-based DVR streaming service as part of its effort to create a unified platform across DirecTV and its DirecTV Now streaming service, with U-verse to be added soon.
The term cloud was used to refer to platforms for distributed computing as early as 1993, when Apple spin-off General Magic and AT&T used it in describing their (paired) Telescript and PersonaLink technologies.

Breakup of the Bell System

breakup of AT&Tdivestiturebreakup
The 1982 United States v. AT&T antitrust lawsuit resulted in the divestiture of AT&T Corporation's ("Ma Bell") subsidiaries or Regional Bell Operating Companies (RBOCs, or "Baby Bells"), resulting in several independent companies including Southwestern Bell Corporation; the latter changed its name to SBC Communications Inc. in 1995.
Pacific Telesis, acquired by SBC in 1997, now part of AT&T Inc.

Vrio (company)

DirecTVVrioDirecTV Sports
Three months after completing the acquisition, AT&T reorganized into four main units: Communications, including consumer and business wireline telephony, AT&T Mobility, and consumer entertainment video services; WarnerMedia, including Turner cable television networks, Warner Bros. film and television production, and HBO; AT&T Latin America, consisting of wireless service in Mexico and video in Latin America and the Caribbean under the Vrio brand; and Advertising and Analytics, since renamed Xandr. On March 7, 2018, the company prepared to sell a minority stake of DirecTV Latin America through an IPO, creating a new holding company for those assets named Vrio Corp.
Vrio (formerly DirecTV Latin America) is an American operator of DirecTV Latin America and is a subsidiary of AT&T Latin America.

WarnerMedia

Time WarnerAOL Time WarnerWarner Communications
Since June 14, 2018, it is also the parent company of mass media conglomerate WarnerMedia, making it the world's largest media and entertainment company in terms of revenue.
Warner Media, LLC, doing business as WarnerMedia, is an American multinational mass media and entertainment conglomerate owned by AT&T and headquartered in New York City.

AT&T Communications

AT&T Long LinesAT&Tits communications division
It is the world's largest telecommunications company, the second largest provider of mobile telephone services, and the largest provider of fixed telephone services in the United States through AT&T Communications.
AT&T Communications, LLC is a division of AT&T that focuses on wireline, wireless, digital television, satellite television, fixed line telephone, mobile phone, broadband, home security, IPTV, OTT services, network security, and pay television offerings, as well as business solutions.

AT&T U-verse

U-verseAT&TAT&T U-verse TV
On July 13, 2017, it was reported that AT&T would introduce a cloud-based DVR streaming service as part of its effort to create a unified platform across DirecTV and its DirecTV Now streaming service, with U-verse to be added soon.
AT&T U-verse, commonly called U-verse, is an AT&T brand of triple-play telecommunications services, although the brand is now only used in reference to the IPTV service.

History of AT&T

SBCSBC CommunicationsAmerican Telephone and Telegraph Company
Southwestern Bell, rebranded as SBC Communications in 1995, acquired AT&T Corporation and rebranded as AT&T Inc. in 2005
AT&T Corporation was eventually purchased by one of its Baby Bells, the former Southwestern Bell, in 2005 and the combined company became known as AT&T Inc.

Southwestern Bell

Southwestern Bell Telephone CompanySouthwestern Bell TelephoneSBC
Southwestern Bell, rebranded as SBC Communications in 1995, acquired AT&T Corporation and rebranded as AT&T Inc. in 2005 AT&T began its history as Southwestern Bell Telephone Company, a subsidiary of the Bell Telephone Company, founded by Alexander Graham Bell in 1880.
Southwestern Bell Telephone Company is a wholly owned subsidiary of AT&T.

CenturyLink

CenturyTel/CenturyLinkCenturyLink PrismCentury Link
Ameritech sold some of its Wisconsin lines to CenturyTel in 1998; BellSouth sold some of its lines to MebTel in the 2000s; U S WEST sold many historically Bell landlines to Lynch Communications and Pacific Telecom in the 1990s; Verizon sold many of its New England lines to FairPoint in 2008 and its West Virginia operations to Frontier Communications in 2010.
A member of the S&P 500 index and the Fortune 500, the company operates as a local exchange carrier and Internet access provider in U.S. markets and is the third-largest telecommunications company in the United States in terms of lines served, behind AT&T and Verizon.

Dow Jones Industrial Average

Dow JonesDowDJIA
By 1998, the company was in the top 15 of the Fortune 500, and by 1999 the company was part of the Dow Jones Industrial Average (lasting through 2015).
On March 19, 2015, Apple replaced AT&T, which had been a component of the DJIA since November 1916. Apple became the fourth company traded on the NASDAQ to be part of the Dow.

Regional Bell Operating Company

Regional Bell Operating CompaniesBaby BellsBaby Bell
The 1982 United States v. AT&T antitrust lawsuit resulted in the divestiture of AT&T Corporation's ("Ma Bell") subsidiaries or Regional Bell Operating Companies (RBOCs, or "Baby Bells"), resulting in several independent companies including Southwestern Bell Corporation; the latter changed its name to SBC Communications Inc. in 1995.
Currently, three companies have the RBOCs as predecessors: AT&T Inc., Verizon, and CenturyLink.

Pacific Bell

Pacific Telephone & TelegraphPacific Telephone and Telegraph CompanyAT&T
AT&T California
The company is owned by AT&T Inc. through AT&T Teleholdings.

Michigan Bell

Michigan Bell Telephone CompanyAT&T MichiganMichigan Bell Telephone
AT&T Michigan
Michigan Bell is the subsidiary of AT&T serving the state of Michigan.

Ameritech

Ameritech CorporationAmeritech FoundationAmeritech of Michigan
Ameritech sold some of its Wisconsin lines to CenturyTel in 1998; BellSouth sold some of its lines to MebTel in the 2000s; U S WEST sold many historically Bell landlines to Lynch Communications and Pacific Telecom in the 1990s; Verizon sold many of its New England lines to FairPoint in 2008 and its West Virginia operations to Frontier Communications in 2010. Ameritech, acquired by SBC in 1999
Ameritech was acquired by SBC Communications in 1999 which subsequently acquired AT&T Corporation in 2006, becoming the present-day AT&T Inc.

Cricket Wireless

CricketCricket CommunicationsCricket Wireless (GSM)
Cricket Wireless
Cricket Wireless LLC is a prepaid wireless service provider in the United States, a wholly owned subsidiary of AT&T Inc. It offers mobile voice, text, and data using parent AT&T's nationwide network.