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List of AT&T subsidiaries

Verified insights into AT&T’s global corporate structure and subsidiaries.

AT&T Inc. is a multinational telecommunications company headquartered in Dallas, United States. Founded in 1983, it operates an extensive global corporate network, with 9,158 subsidiaries worldwide. This ownership data is part of CompanyData.com’s verified corporate hierarchy database, covering over 380 million companies worldwide.

Geographic spread of AT&T’s subsidiaries

AT&T has 9,158 subsidiaries across 55 countries, with 8,821 in the United States (96.3%), 206 in Mexico (2.2%), and 52 in India (0.57%). These three countries account for the vast majority of AT&T’s global presence, reflecting its deep reach in telecommunications and related services worldwide.

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Top Subsidiaries and Companies Owned by AT&T

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Company Name Country City Address 1 Address 2 State/Province Postal Code Website Founding Year Yearly Revenue in U.S. Dollars Employees Total Business Legal Type - Description Number of Companies in Group Company Registration Number Email Phone Number UniqueID
1
New Cingular Wireless Services, INC.
USA
Seattle
617 Eastlake Ave E
N/A
King
98109
att.*****
N/A
$0
500
9032
N/A
**********@********.***
+1*****06
0714334672
2
Bellsouth Telecommunications, INC.
USA
Mobile
3103 Airport Blvd Ste 408
N/A
Mobile
36606
N/A
N/A
$0
469
9032
N/A
******@*******.***
0248141692
3
Alltel Pennsylvania INC
USA
Kittanning
201 N Jefferson St
N/A
Armstrong
16201
N/A
N/A
$0
225
9032
N/A
*********@******.***
+1*****00
0267182577
4
Southwestern Bell Mobile Systems, LLC
USA
Odessa
4937 E 42nd St
N/A
Ector
79762
cingular.*****
N/A
$0
161
9032
N/A
*******@******.***
0960347942
5
Southwestern Bell Mobile Systems, LLC
USA
Chicago
350 N Orleans St Lbby
N/A
Cook
60654
cingular.*****
N/A
$0
100
9032
N/A
******@****.***
0255649666
6
Bellsouth Telecommunications, INC.
USA
Atlanta
100 Perimeter Center Pl Ne Rm 200
N/A
Fulton
30346
N/A
N/A
$0
100
9032
N/A
*********@*******.***
01038852508
7
AT&T Enterprises, LLC
USA
Southfield
26957 Northwestern Hwy # 470
N/A
Oakland
48034
N/A
N/A
$0
55
9032
N/A
*********@********.***
0166259633
8
New Cingular Wireless Services, INC.
USA
Carlisle
40 Noble Blvd Bldg 2
N/A
Cumberland
17013
att.*****
N/A
$0
34
9032
N/A
********@********.***
+1*****90
0242250734
9
New Cingular Wireless Services, INC.
USA
Pikesville
1809 Reisterstown Rd Ste 130
N/A
Baltimore County
21208
att.*****
N/A
$0
29
9032
N/A
********@***.***
+1*****40
0188169328
10
New Cingular Wireless Services, INC.
USA
York
1 York Galleria
N/A
York
17402
att.*****
N/A
$0
29
9032
N/A
*****@***.***
+1*****93
0902597243
11
Prodigy Services CORPORATION
USA
Chicago
4865 Collections Center Dr
N/A
Cook
60693
N/A
N/A
$0
27
9032
N/A
***********@****.***
0248050674
12
AT&T Mobility LLC
USA
Chesterfield
2510 Turner Rd
N/A
Chesterfield
23224
N/A
N/A
$0
26
9032
N/A
********@***.***
0286893811
13
AT&T Mobility LLC
USA
Plainsboro
3320 Brunswick Pike
N/A
Middlesex
08536
N/A
N/A
$0
26
9032
N/A
*********@*****.***
0119109938
14
AT&T Mobility LLC
USA
Springfield
760 W Sproul Rd
N/A
Delaware
19064
cingular.*****
N/A
$0
26
9032
N/A
*******@******.***
0148807301
15
AT&T Mobility LLC
USA
Southern Pines
10564 Us 15 501 Hwy
N/A
Moore
28387
N/A
N/A
$0
26
9032
N/A
********@****.***
+1*****19
0939138804
16
New Cingular Wireless Services, INC.
USA
Anchorage
320 W 5th Ave Ste 304
N/A
Anchorage
99501
circularstore.*****
N/A
$0
23
9032
N/A
*********@*****.***
+1*****72
0222307464
17
New Cingular Wireless Services, INC.
USA
Strongsville
500 South Park Mall First Floor el 526
N/A
Cuyahoga
44136
N/A
N/A
$0
19
9032
N/A
*********@********.***
0222177212
18
New Cingular Wireless Services, INC.
USA
Bronx
2152 Bartow Ave
N/A
Bronx
10475
att.*****
N/A
$0
19
9032
N/A
**********@******.***
+1*****84
0163673165
19
Centennial Communications CORP.
USA
Miami
150 W Flagler St Ste 300
N/A
Miami-dade
33130
centennialcom.*****
N/A
$0
15
9032
N/A
*******@****.***
0160825701
20
Mc Caw Communications Of Colorado Springs, INC
USA
Kirkland
5400 Carillon Pt
N/A
King
98033
N/A
N/A
$1,160,736
15
9032
N/A
**********@******.***
+1*****00
0730586571
21
Alltel CORPORATION
USA
Chandler
2815 S Alma School Rd Ste 15
N/A
Maricopa
85286
alltel.*****
N/A
$0
14
9032
N/A
************@****.***
+1*****72
0920190113
22
Alltel CORPORATION
USA
Kings Mountain
110 E King St 5
N/A
Cleveland
28086
N/A
N/A
$0
14
9032
N/A
*****@********.***
+1*****87
0138666451
23
New Cingular Wireless Services, INC.
USA
Reno
200 S Rock Blvd
N/A
Washoe
89502
att.*****
N/A
$0
12
9032
N/A
*******@******.***
+1*****76
0193040902
24
Cricket Communications, INC.
USA
Albuquerque
2720 Central Ave Se
N/A
Bernalillo
87106
cricketcommunications.*****
N/A
$0
11
9032
N/A
**********@*****.***
+1*****00
0152181705
25
AT&T Enterprises, LLC
USA
Canon City
402 Main St
N/A
Fremont
81212
spectrum.*****
N/A
$0
10
9032
N/A
*******@*****.***
+1*****56
0954845670
26
Alltel CORPORATION
USA
Cornelia
448 N Main St
N/A
Habersham
30531
alltel.*****
N/A
$0
9
9032
N/A
*****@*******.***
+1*****20
0173501492

Companies by Employee Size

  • 0 or Unknown 199
  • 1-4 4,981
  • 5-9 1,504
  • 10-19 853
  • 20-49 908
  • 50-99 296
  • 100-199 101
  • 200-499 116
  • 500-999 19
  • 1.000-4.999 42
  • 5.000-9.999 5

Companies by Revenue Size (in USD)

  • 0 or Unknown 8,489
  • 1 to 100.000 3
  • 100.001 to 499.999 38
  • 500.000 to 999.999 79
  • 1.000.000 to 4.999.999 332
  • 5.000.000 to 9.999.999 20
  • 10.000.000 to 49.999.999 40
  • 50.000.000 to 99.999.999 4
  • 100.000.000 to 499.999.999 11
  • 500.000.000 to 999.999.999 2
  • 1.000.000.000 or more 6
Download Data

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Explore AT&T's Global Corporate Structure

AT&T’s corporate network is part of one of the largest ownership structures tracked within our company ownership database. It shows how AT&T is organized globally, revealing parent companies and subsidiaries with verified data across 75 countries and jurisdictions. Discover how our data can help you understand AT&T’s worldwide presence — request a free sample today.

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AT&T Company Facts

Where is AT&T headquartered?

In Dallas, United States.

How many subsidiaries does AT&T have?

About 9,158 in multiple countries.

Who owns AT&T?

AT&T Inc. is a publicly traded company with diverse shareholders.

Is AT&T a US company?

Yes. AT&T is incorporated in the United States.

How many people work for AT&T?

AT&T employs over 200,000 people worldwide.

Corporate family tree

Understanding AT&T's Global Ownership Structure

Knowing who owns which part of a company helps show how it functions and connects worldwide. Our corporate hierarchy data lets you follow the links between the parent company, its many subsidiaries, and shareholders, revealing control, structure, and risks within large corporate groups. Whether you’re analyzing AT&T or another global company, these insights support compliance checks, market research, and better CRM data management. With verified ownership records covering more than 380 million companies worldwide, CompanyData.com provides a clear picture of company ownership across regions and industries.

How We Outline AT&T’s Global, National, and Regional Headquarters

At CompanyData.com, the corporate structure of a company like AT&T is represented using a three-level model: Global, National, and Local headquarters. This framework shows how each entity is part of the larger corporate family.

The three levels explained

  • Global Headquarter — AT&T Inc., headquartered in Dallas, United States, acts as the global headquarter for its entire group, sitting at the top of the hierarchy.
  • National Headquarters — These manage operations within a country and report directly to the global headquarter. Examples include AT&T Canada, AT&T Mexico, and AT&T United Kingdom.
  • Local Headquarters — Local level subsidiaries manage divisions or business areas within regions or cities, ensuring regulatory compliance and operational oversight.

Each company entity carries a unique ID, enabling detailed connections between subsidiaries and parent companies, letting users trace control and ownership paths seamlessly.

How control relationships work

Ownership control is identified when a parent company holds more than fifty percent of a subsidiary’s shares. Our data emphasizes such majority-controlled subsidiaries to give a clear picture of the corporate hierarchy. This method reveals AT&T’s complex ownership network and can be applied to any large multinational corporation.

Why this view is essential

This ownership model helps spot who the real decision-makers are at AT&T, streamlines compliance verifications, and aids mergers & acquisitions or risk assessments. By mapping entities with validated ownership details, CompanyData.com empowers users worldwide to navigate AT&T’s corporate family with ease. Our platform links over 41 million companies across 200 countries, providing clarity on global corporate structures.

 

AT&T

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AT&T ownership & subsidiary data – FAQs

AT&T Inc. is a multinational telecommunications company headquartered in the United States. It is one of the largest telecom companies worldwide, offering a range of services that include wireless communications, broadband, pay-TV, and business solutions. With total reported revenue of $400.38 billion, AT&T maintains a substantial presence across many countries.

Main Business Areas of AT&T:

AT&T operates through several core divisions:

  1. Communications: This segment includes wireless and wireline phone services, broadband internet, and pay-TV. AT&T serves millions of customers mainly in the US but also in international markets.
  2. WarnerMedia (now part of Warner Bros. Discovery): Historically, this segment covered media and entertainment assets, including cable networks, films, and streaming services. Although AT&T has reduced ownership, these types of subsidiaries once formed a key part of their global footprint.
  3. Business Solutions: Provides services to corporations such as network security, cloud solutions, and IoT technologies.
  4. Strategic Investments: Includes stakes in tech companies, international ventures, and recent expansions in digital communications and media platforms.

AT&T’s Global Presence:

AT&T owns subsidiaries and operates in various countries, with significant activity in the United States (https://companydata.com/usa-company-data/), Mexico (https://companydata.com/mexico-company-data/), Canada (https://companydata.com/canada-company-data/), and parts of Latin America such as Argentina (https://companydata.com/argentina-company-data/) and Venezuela. The company also maintains investments and partnerships in Europe and Asia, with subsidiaries located in countries like the United Kingdom (https://companydata.com/uk-company-data/), France (https://companydata.com/france-company-data/), India (https://companydata.com/india-company-data/), and China (https://companydata.com/china-company-data/).

For a broader view of their footprint in Europe, visit https://companydata.com/company-data-europe/ and for Asia https://companydata.com/asia-company-data/.

Financial Overview:

With a reported revenue of $400.38 billion, AT&T remains a key force in the telecommunications and media sectors. Its diversified business model provides stability and allows for growth in both consumer and enterprise markets.

Commitment to Innovation and Technology:

AT&T invests heavily in 5G networks, fiber optic expansion, and digital services. This focus supports the company’s aim to stay competitive in fast-changing communications and technology industries.

Challenges and Outlook:

Like other telecom giants, AT&T faces challenges from evolving market demands, regulatory environments, and competition from emerging digital platforms. However, its broad international presence and diversified assets support ongoing growth and development.

Conclusion:

AT&T is a global leader in telecommunications with extensive subsidiaries and operations worldwide. Its revenue of $400.38 billion reflects its importance in the industry. For up-to-date company details and data on AT&T’s subsidiaries, visit the related country-specific pages or contact us for a custom dataset.

You can access AT&T company data via API, bulk files, or the Bold Platform. We create custom datasets based on your selected countries, industries, and company profiles. After sharing your criteria, our experts prepare a tailored dataset and provide a free quote with record counts and sample data within 24 hours. Once approved, your data is delivered quickly in your preferred format — Excel, API, bulk file, or directly in the Bold Platform.

CompanyData.com offers global company data across all organizations and industries. Provide your requirements, and our experts will prepare a custom dataset tailored to your goals. Receive a free quote, record count, and sample data within 24 hours. Approval leads to fast delivery via Excel, API, bulk file, or the Bold Platform.

Pricing for our AT&T company data depends on the data details and delivery method you select. Whether you want a limited list of subsidiaries or a full dataset via API or bulk files, we offer flexible pricing. Request a free quote and record count within 24 hours. We also provide a free sample of 10 company contacts. You only pay for the verified global data you need.

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CompanyData.com provides detailed, verified data on AT&T Inc. and all its subsidiaries, updated daily. This includes company names, registration details, locations, industry sectors, financial figures, and key contacts. Download the data via the Bold Platform, API, or bulk file delivery. Our database offers full worldwide company coverage for complete and accurate insights.

Our data is sourced from verified global business records, including official registries, financial filings, LEI databases, trusted partners, and verified company websites. All information is cross-checked and validated by experts to ensure accuracy, currency, and GDPR compliance.

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