American Telephone and Telegraph Company

E14707
corporation former monopoly public company telecommunications company

American Telephone and Telegraph Company (AT&T) is a major American telecommunications corporation historically known for its nationwide telephone service monopoly and significant contributions to communications technology.

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All labels observed (6)

Label Occurrences
American Telephone and Telegraph Company canonical 27
AT&T 6
AT&T Corporation 3

Statements (49)

Predicate Object
instanceOf corporation ⓘ
former monopoly ⓘ
public company ⓘ
telecommunications company ⓘ
alsoKnownAs AT&T ⓘ
AT&T ⓘ
surface form: AT&T Corp.
associatedWith Bell Telephone Laboratories ⓘ
surface form: Bell Labs
brand AT&T ⓘ
contributedTo development of UNIX operating system ⓘ
development of information theory ⓘ
development of transistor at Bell Labs ⓘ
country United States of America ⓘ
surface form: United States
developedAt Bell Telephone Laboratories ⓘ
event divestiture of Bell System in 1984 ⓘ
founded 1885 ⓘ
foundedBy Alexander Graham Bell ⓘ
Gardiner Greene Hubbard ⓘ
Thomas Sanders ⓘ
hasCustomerBase business telephone customers in the United States ⓘ
residential telephone customers in the United States ⓘ
hasSubsidiary Western Electric ⓘ
surface form: Western Electric Company
headquartersLocation New York City ⓘ
historicalRole backbone of U.S. long-distance network ⓘ
dominant provider of telephone service in the United States ⓘ
industry technology ⓘ
telecommunications ⓘ
influenced global telecommunications standards ⓘ
legalForm corporation under New York law ⓘ
monitoredBy Federal Communications Commission ⓘ
notableFor contributions to communications technology ⓘ
development of long-distance telephony ⓘ
nationwide telephone service monopoly in the United States ⓘ
operated Bell System ⓘ
surface form: Bell System local operating companies
originalPurpose build and operate long-distance telephone network in the United States ⓘ
parentOf Bell System ⓘ
partOf AT&T ⓘ
surface form: AT&T Inc.
peakInfluencePeriod 20th century ⓘ
regulatedBy United States government ⓘ
surface form: U.S. federal government
resultedIn creation of Regional Bell Operating Companies ⓘ
serviceType local telephone service ⓘ
long-distance telephone service ⓘ
telecommunications equipment ⓘ
subjectOf 1982 antitrust settlement with U.S. Department of Justice ⓘ
successor AT&T ⓘ
surface form: AT&T Inc.
tradedAs NYSE:T ⓘ
usedTechnology circuit-switched telephony ⓘ
coaxial cable transmission ⓘ
microwave relay networks ⓘ
satellite communications ⓘ

Referenced by (39)

Full triples — surface form annotated when it differs from this entity's canonical label.

Bell Telephone Laboratories → parentOrganization → American Telephone and Telegraph Company ⓘ
Radio Corporation of America → foundedBy → American Telephone and Telegraph Company ⓘ
this entity surface form: American Telephone & Telegraph
Time Warner → acquiredBy → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T
Bell System Technical Journal → associatedWith → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T
Frank B. Jewett → employer → American Telephone and Telegraph Company ⓘ
Western Electric → parentCompany → American Telephone and Telegraph Company ⓘ
Western Electric → parentCompany → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T
Mervin J. Kelly → employer → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T
AT&T Stadium → sponsor → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T
AT&T Stadium → namingRightsPartner → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T
Lucent Technologies → parentCompany → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T Corporation
Lucent Technologies → spunOffFrom → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T Corporation
Harry Nyquist → employer → American Telephone and Telegraph Company ⓘ
Bell System → parentOrganization → American Telephone and Telegraph Company ⓘ
Bell System → successor → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T Corp.
Bell Telephone Company → successor → American Telephone and Telegraph Company ⓘ
A. T. & T. Building, Kansas City, Missouri → namedAfter → American Telephone and Telegraph Company ⓘ
AT&T → formerName → American Telephone and Telegraph Company ⓘ
Southwestern Bell → historicalConnection → American Telephone and Telegraph Company ⓘ
NYSE:T → issuerFoundedAs → American Telephone and Telegraph Company ⓘ
Harold M. Arnold → employer → American Telephone and Telegraph Company ⓘ
Harold M. Arnold → affiliation → American Telephone and Telegraph Company ⓘ
United States v. AT&T → hasDefendant → American Telephone and Telegraph Company ⓘ
United States v. AT&T → relatedTo → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T Corporation
United States v. AT&T → hasParty → American Telephone and Telegraph Company ⓘ
1913 Kingsbury Commitment → signatory → American Telephone and Telegraph Company ⓘ
Harry → employer → American Telephone and Telegraph Company ⓘ
subject surface form: Harry Nyquist
Ameritech → parentCompany → American Telephone and Telegraph Company ⓘ
this entity surface form: AT&T (before 1984 breakup)
MCI v. AT&T → hasDefendant → American Telephone and Telegraph Company ⓘ
Oliver E. Buckley → employer → American Telephone and Telegraph Company ⓘ
Bell wordmark (historical) → associatedCompany → American Telephone and Telegraph Company ⓘ
Walter S. Gifford → employer → American Telephone and Telegraph Company ⓘ
John J. Carty → employer → American Telephone and Telegraph Company ⓘ
Roy Ash → boardMemberOf → American Telephone and Telegraph Company ⓘ
"The Bell Telephone Hour" → sponsor → American Telephone and Telegraph Company ⓘ
subject surface form: The Bell Telephone Hour
T → underlyingCompanyFormerName → American Telephone and Telegraph Company ⓘ
North American Numbering Plan → originallyDevelopedBy → American Telephone and Telegraph Company ⓘ
SWBT → historicalAssociation → American Telephone and Telegraph Company ⓘ
subject surface form: Southwestern Bell Telephone Company
Frank Pace Jr. → boardMemberOf → American Telephone and Telegraph Company ⓘ