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.

AT&T Global Network Services India Private LIMITEDAT&T Global Network Services India Private LIMITED
Showing 26 of 9,093 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
AT&T Global Network Services India Private LIMITED
India
Chennai
Suite No 502, No 4 Kuppu Arcade
Tamil Nadu
600017
N/A
2011
0
0
9118
N/A
2
AT&T Global Network Services India Private LIMITED
India
Mumbai
602, C21
Maharashtra
400051
N/A
2005
0
0
9118
N/A
3
AT&T Global Network Services India Private LIMITED
India
Bhuj
Plot No 24 B Survey No 890/19, Kachchh
Gujarat
370110
N/A
N/A
0
0
9118
24AAFCA8810L1ZM
4
At & T Communication Services India Private LIMITED
India
Mumbai
602,suntech Cert.hsefin Bhavan
Maharashtra
400051
ap.*****
2006
0
0
9118
27500068058V
5
At & T Communication Services India Private LIMITED
India
New Delhi
No 18 & 20, 9th Floor Hindustan Times House
Delhi
110001
N/A
2009
0
0
9118
N/A
6
At & T Communication Services India Private LIMITED
India
Hyderabad
No 74 Lotus
Telangana
500082
N/A
2010
0
0
9118
N/A
7
AT&T Global Network Services India Private LIMITED
India
Hyderabad
10th Floor
Telangana
500081
N/A
N/A
0
0
9118
36AAFCA8810L1ZH
8
AT&T Global Network Services India Private LIMITED
India
Gurugram
Plot No 15, Sector 6, Imt Manesar
Haryana
122051
N/A
N/A
0
0
9118
N/A
9
At & T Communication Services India Private LIMITED
India
Bengaluru
Divyasree Chambers
Karnataka
560025
N/A
2006
0
0
9118
N/A
10
At And T India LIMITED
India
New Delhi
Mohan Dev House
Delhi
110001
N/A
2016
0
0
9118
N/A
11
At & T Communication Services India Private LIMITED
India
Bengaluru
Level 10 and 11, Innovator Building, Itpb, Whitefield Road, Bang
Karnataka
560066
digitalmojito.*****
N/A
0
0
9118
29AACCA8033E1ZV
12
At & T Communication Services India Private LIMITED
India
Hyderabad
Bad Building 9, Survey 64
Telangana
500081
N/A
2009
0
0
9118
N/A
13
AT&T Global Network Services India Private LIMITED
India
Bengaluru
No 1 & 2 Tower C Murphy Road
Karnataka
560008
N/A
2010
0
0
9118
N/A
14
Southwestern Bell Mobile Systems, LLC
USA
Plano
5601 Legacy Dr
Collin
75024
N/A
2002
$44,029,016
4,810
Corporation
9101
03319084
15
AT&T Communications Services International INC.
USA
Morristown
412 Mount Kemble Ave
Morris
07960
p3-group.*****
2024
$26,233,705
3,001
Corporation
9101
2561947
16
AT&T Teleholdings, INC.
USA
Springfield
555 E Cook St
Sangamon
62703
att.*****
N/A
0
1,003
9101
N/A
17
Bellsouth Telecommunications, INC.
USA
Charlotte
9139 Research Dr
Mecklenburg
28262
att.*****
N/A
0
200
9101
N/A
18
Ameritech Payphone Services Of Indiana INC
USA
Chicago
225 W Randolph St Fl 1
Cook
60606
N/A
2001
$1,248,573
167
9101
364001608
19
Ameritech New Zealand Investments, INC.
USA
Chicago
30 S Wacker Dr
Cook
60606
N/A
2001
$1,478,920
167
9101
N/A
20
At And T India LIMITED
India
Gurugram
Vatika Triangle, 3rd Floor, Sushant Lok -1
Haryana
122002
N/A
1988
$11,597,500
100
Foreign company
9118
N/A
21
AT&T Enterprises, LLC
USA
Santa Rosa
1620 Mendocino Ave
Sonoma
95401
att.*****
N/A
0
97
9101
N/A
22
AT&T Enterprises, LLC
USA
Henderson
470 N Stephanie St
Clark
89014
att.*****
N/A
0
97
9101
N/A
23
New Cingular Wireless Services, INC.
USA
Charlotte
5925 Carnegie Blvd Ste 200
Mecklenburg
28209
N/A
N/A
0
90
9101
N/A
24
Bellsouth Business Systems, INC.
USA
New Orleans
1 Canal St
Orleans
70130
N/A
N/A
0
84
9101
N/A
25
AT&T Enterprises, LLC
USA
Farmington
5512 E Main St
San Juan
87402
att.*****
N/A
0
69
9101
N/A
26
Cricket Licensee Vi INC
USA
San Diego
10307 Pacific Center Ct
San Diego
92121
N/A
N/A
$1,180,678
49
9101
N/A

Showing 26 of 9,093 companies

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Companies by Employee Size

  • 1-45,052
  • 5-91,484
  • 10-19880
  • 20-49908
  • 50-99289
  • 100-199115
  • 200-499104
  • 500-99912
  • 1.000-4.99946
  • 5.000-9.9995
  • 0 or Unknown198

Companies by Revenue Size (in USD)

  • 0 or Unknown8,556
  • 1 to 100.0003
  • 100.001 to 499.99937
  • 500.000 to 999.99979
  • 1.000.000.000 or more5
  • 1.000.000 to 4.999.999338
  • 5.000.000 to 9.999.99924
  • 10.000.000 to 49.999.99934
  • 50.000.000 to 99.999.9993
  • 100.000.000 to 499.999.99913
  • 500.000.000 to 999.999.9991
  • Global ownership data

  • Download subsidiary lists

  • Structured hierarchies

  • Contact and email 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.

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.

 

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

Who This Solution Is For

CompanyData.com supports global organizations that need verified insights into corporate ownership structures, from CRM enrichment and compliance workflows to market intelligence and analytics. We provide free evaluation samples; larger data samples (for example, up to 1,000 companies) are available to qualified corporate buyers with a defined use case and an active company website. If your primary need is contact or lead lists, please visit our Company Data Platform instead.

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85reviews

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 (/usa-company-data/), Mexico (/mexico-company-data/), Canada (/canada-company-data/), and parts of Latin America such as Argentina (/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 (/uk-company-data/), France (/france-company-data/), India (/india-company-data/), and China (/china-company-data/).

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

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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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