Exhibit 21
PRINCIPAL SUBSIDIARIES OF
AT&T INC., AS OF DECEMBER 31, 2018
2018 AT&T INC. REPORT TO STOCKHOLDERS
SECURITIES AND EXCHANGE COMMISSION (“SEC”)
FORM10-K filed February 20, 2019
Legal Name | State of Incorporation/Formation | Conducts Business Under | ||
Illinois Bell Telephone Company, LLC | Illinois | AT&T Illinois; AT&T Wholesale | ||
Indiana Bell Telephone Company, Incorporated | Indiana | AT&T Indiana; AT&T Wholesale | ||
Michigan Bell Telephone Company | Michigan | AT&T Michigan; AT&T Wholesale | ||
Nevada Bell Telephone Company | Nevada | AT&T Nevada; AT&T Wholesale | ||
Pacific Bell Telephone Company | California | AT&T California; AT&T Wholesale; AT&T DataComm | ||
SBC Long Distance, LLC | Delaware | AT&T Long Distance | ||
AT&T Teleholdings, Inc. | Delaware | AT&T Midwest; AT&T West; AT&T East | ||
Southwestern Bell Telephone Company | Delaware | AT&T Arkansas; AT&T Kansas; AT&T Missouri; AT&T Oklahoma; AT&T Texas; AT&T Southwest; AT&T DataComm; AT&T Wholesale | ||
The Ohio Bell Telephone Company | Ohio | AT&T Ohio; AT&T Wholesale | ||
Wisconsin Bell, Inc. | Wisconsin | AT&T Wisconsin; AT&T Wholesale | ||
AT&T Corp. | New York | AT&T Corp.; ACC Business; AT&T Wholesale; AT&T Business Solutions; AT&T Advanced Solutions; AT&T Diversified Group; AT&T Mobile and Business Solutions | ||
Teleport Communications America, LLC | Delaware | same |
BellSouth, LLC | Georgia | AT&T South | ||
BellSouth Telecommunications, LLC | Georgia | AT&T Alabama AT&T Florida AT&T Georgia AT&T Kentucky AT&T Louisiana AT&T Mississippi AT&T North Carolina AT&T South Carolina AT&T Tennessee AT&T Southeast | ||
AT&T Mobility LLC | Delaware | same | ||
AT&T Mobility II LLC | Delaware | same | ||
New Cingular Wireless PCS, LLC | Delaware | AT&T Mobility | ||
Cricket Wireless LLC | Delaware | same | ||
AT&T Communications, LLC | Delaware | same | ||
AT&T Latin America, LLC | Delaware | same | ||
AppNexus Inc. | Delaware | same | ||
Vrio Corp. | Delaware | same | ||
AT&T Comunicaciones Digitales, S. de R.L. de C.V. | Mexico City | same | ||
DIRECTV, LLC | California | same | ||
DIRECTV Enterprises, LLC | Delaware | same | ||
DIRECTV Latin America, LLC | Delaware | same | ||
Sky Serviços de Banda Larga Ltda. | Brazil | Sky Brasil | ||
DIRECTV Colombia Ltda. | Colombia | same | ||
DIRECTV Argentina S.A. | Argentina | same | ||
Otter Media Holdings, LLC | Delaware | same | ||
Warner Media, LLC | Delaware | same | ||
Home Box Office, Inc. | Delaware | HBO Global Licensing | ||
Turner Broadcasting System, Inc. | Georgia | Turner | ||
Warner Bros. Entertainment Inc. | Delaware | Warner-Grandview Music Warner Bros. |
Warner Bros. International Film Acquisitions Warner Bros. International Cinemas Warner Bros. Entertainment Group | ||||
Historic TW Inc. | Delaware | same | ||
Warner Communications LLC | Delaware | same |