List of American Tower subsidiaries

Detailed insights into American Tower’s global corporate structure and subsidiaries.

American Tower Corporation is a leading global real estate investment trust headquartered in Boston, USA. Founded in 1995, it operates an extensive corporate structure with 616 subsidiaries in various countries around the world. This ownership data is part of CompanyData.com’s verified corporate hierarchy database, which covers over 380 million companies globally.

Distribution of American Tower’s subsidiaries worldwide

American Tower has 616 subsidiaries spread across 19 countries, with 507 in the United States (82.3%), 73 in India (11.8%), and smaller numbers in Brazil (10 subsidiaries) and Mexico (4 subsidiaries). These countries make up the core of American Tower’s global operations, supporting its network infrastructure and real estate investments worldwide.

American Tower Do Brasil - Cessao De Infraestruturas SAAmerican Tower Do Brasil - Cessao De Infraestruturas SA
Showing 26 of 636 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
American Tower Do Brasil - Cessao De Infraestruturas SA
Brazil
Sao Paulo
Rua Olimpiadas 205
São Paulo
04551-000
americantower.*****
2000
$677,164,366
357
Corporation
636
04052108000189
2
American Tower Do Brasil Comunicacao Multimidia
Brazil
Recife
Rua Padre Carapuceiro 858
Pernambuco
51020-280
N/A
N/A
0
0
636
30552887000515
3
American Tower Do Brasil Comunicacao Multimidia
Brazil
Goiania
Av. 136 761
Goiás
74093-250
N/A
N/A
0
0
636
30552887000353
4
Atc India Infrastructure Private LIMITED
India
Gurugram
Plot No. B-15, 1st Floor, Sector 32
Haryana
122001
N/A
2011
$7,452,895
91
Corporation
636
06AAJCA6159L1ZA
5
Spectrasite Communications, LLC
USA
Hillsboro
1901 Bains Rd
Coffee
37342
americantower.*****
N/A
0
43
636
N/A
6
American Tower CORPORATION
USA
Atlantic City
801 Boardwalk
Atlantic
08401
americantower.*****
N/A
0
26
636
N/A
7
American Tower CORPORATION
USA
Sylacauga
103 Sylavon Rd Ste 2
Talladega
35150
N/A
N/A
0
23
636
N/A
8
Invisible Towers, LLC
USA
Woburn
10 Presidential Way Ste 101
Middlesex
01801
N/A
2018
$2,015,456
23
Corporation
636
6868102
9
Gtp Infrastructure Ii, LLC
USA
Boca Raton
750 Park of Commerce Blvd Ste 300
Palm Beach
33487
N/A
2010
$2,221,452
20
Corporation
636
4784281
10
American Tower CORPORATION
USA
Jacksonville
2161 Old State Rd
Morgan
62650
americantower.*****
N/A
0
15
636
N/A
11
American Tower Management, LLC
USA
Boston
116 Huntington Ave Ste 1100
Suffolk
02116
americantower.*****
1999
$1,980,071
9
Partnership of unknown type
636
462919
12
Coresite Real Estate Sv9, L.P.
USA
Santa Clara
2915 Stender Way
Santa Clara
95054
coresite.*****
2019
$2,397,916
9
Partnership of unknown type
636
7339310
13
American Tower CORPORATION
USA
Burbank
2550 N Hollywood Way Ste 209
Santa Clara
91505
N/A
N/A
0
6
636
N/A
14
Coresite Coronado Stender, L.L.C.
USA
Santa Clara
3001 Coronado Dr
Santa Clara
95054
coresite.*****
2022
$485,172
4
Corporation
636
N/A
15
Atc Managed Sites Holding LLC
USA
Boston
116 Huntington Ave Ste 1100
Suffolk
02116
N/A
N/A
$603,554
3
636
N/A
16
Atc Indoor Das Holding LLC
USA
Boston
116 Huntington Ave Ste 1100
Suffolk
02116
N/A
2019
$673,932
3
636
N/A
17
Municipal-Bay Holdings, LLC
USA
Boston
116 Huntington Ave Ste 1100
Suffolk
02116
N/A
N/A
$907,670
3
636
N/A
18
Iwg-Tla Telecom, LLC
USA
Boston
116 Huntington Ave Ste 1100
Suffolk
02116
N/A
N/A
$942,641
3
636
N/A
19
American Tower CORPORATION
USA
Sumter
855 Winkles Rd
Sumter
29153
americantower.*****
N/A
0
2
636
N/A
20
American Tower CORPORATION
USA
Maple Grove
11225 90th Ave N Ste 202
Hennepin
55369
N/A
N/A
0
2
636
N/A
21
Insite Towers Development 2, LLC
USA
Woburn
10 Presidential Way Ste 101
Middlesex
01801
N/A
2016
$2,027,615
2
Corporation
636
6180661
22
American Tower CORPORATION
USA
Chipley
2528 Roche Rd
Washington
32428
americantower.*****
N/A
0
2
636
N/A
23
American Tower CORPORATION
USA
Rio Hondo
23890 Lakeview Dr
Cameron
78583
americantower.*****
N/A
0
2
636
N/A
24
Alternative Networking LLC
USA
Boca Raton
750 Park of Commerce Blvd Ste 300
Palm Beach
33487
N/A
1989
$2,084,418
2
Corporation
636
L14000123779
25
Spectrasite Communications, INC
USA
San Ramon
2000 Crow Canyon Pl Ste 350
Contra Costa
94583
N/A
N/A
0
1
636
N/A
26
American Tower CORPORATION
USA
Earlimart
511 W White Rock Ave
Tulare
93219
americantower.*****
N/A
0
1
636
N/A

Showing 26 of 636 companies

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Explore American Tower's Global Structure

American Tower’s corporate network is part of more than 41 million corporate hierarchies mapped in our company ownership database. It shows the details of parent companies and subsidiaries with verified data from groups covering over 30 countries. Learn how our data helps you understand American Tower’s global reach — and request a tailored sample.

American Tower Company Information

Where is American Tower headquartered?

In the United States, specifically in Boston, Massachusetts.

How many subsidiaries does American Tower have?

American Tower owns approximately 616 subsidiaries worldwide.

Which countries have the most American Tower subsidiaries?

The United States leads with 507 subsidiaries, followed by India with 73, and Brazil with 10.

Is American Tower a public or private company?

American Tower Corporation is publicly traded on the New York Stock Exchange (NYSE: AMT).

What is American Tower’s main business?

American Tower owns and operates wireless and broadcast communication infrastructure globally.

Corporate family tree

Why Understanding American Tower's Ownership Structure is Important

Knowing how ownership works helps you understand how companies connect and operate around the world. Our corporate hierarchy data shows the relationships between parent companies, subsidiaries, and shareholders, revealing control, structure, and potential risks within any corporate group. Whether you’re researching American Tower or any other global firm, this insight supports compliance checks, market analysis, and better CRM management. With verified ownership data covering over 380 million companies worldwide, CompanyData.com provides a clear picture of who owns what across borders and industries.

How American Tower's Global and Local Headquarters Are Mapped

At CompanyData.com, company profiles like American Tower are structured using a three-level hierarchy: Global, National, and Local headquarters. This system shows how individual entities fit within the entire corporate family.

Levels in our hierarchy system

  • Global Headquarters — The American Tower Corporation serves as the global headquarter, positioned above all other entities in the group. It directs global strategy and holds overall ownership. The global headquarter ID is 01080205969.
  • National Headquarters — These are country-specific divisions controlling operations locally and reporting to the global head office. American Tower has national-level entities in countries including the USA, India, Brazil, Mexico, and the UK among others.
  • Local Headquarters — These smaller offices supervise regional or site-specific operations, such as managing individual communication towers and infrastructure within their markets.

Each entity is assigned a unique identifier, enabling easy linkage of subsidiaries to parent companies and allowing integration into your business systems.

Understanding control

Control is based on ownership stakes. If a parent company owns more than 50% of another company, we classify that as a controlled subsidiary. Our data focuses on these majority control relationships to clearly outline corporate ownership structures. This method offers a transparent look at complicated networks like American Tower’s and can be applied to any multinational.

Why this is useful

This structure helps identify who actually makes decisions within the American Tower network, easing compliance efforts and supporting mergers, acquisitions, or risk assessments. With over 616 subsidiaries spread across 18 countries including large counts in the USA (507) and India (73), and others like Brazil (10), Mexico (4), and the UK (1), our platform brings clarity to American Tower’s extensive global presence. Our verified dataset spanning more than 41 million companies in 200 countries and regions is built to help professionals understand and manage complex corporate hierarchies worldwide.

 

How American Tower's Global and Local Headquarters Are Mapped

Who This Solution Is For

CompanyData.com supports global businesses that need verified details about corporate structures and subsidiaries worldwide. Our data is useful for compliance, market research, and CRM enrichment. Free evaluation samples are available, with larger samples (up to 1,000 companies) provided to qualified buyers with a clear use case and an active company website. If you need contact or lead lists, please check our Company Data Platform instead.

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85reviews

American Tower global structure & subsidiary data – FAQs

American Tower Corporation is a leading global provider of wireless communications infrastructure. Headquartered in the United States, it operates over 61,000 communications sites worldwide and generates revenue of about $9.36 billion. The company owns, operates, and develops multi-tenant communications real estate, primarily supporting wireless service providers, radio and television broadcast companies, and government agencies.

American Tower’s Core Operations:

American Tower’s infrastructure assets span multiple countries, with a significant presence in the United States (US, country code 001), India (IN, 073), and Brazil (BR, 010). It also operates in Colombia (003), Mexico (004), South Africa (004), Singapore (002), Kenya (001), the Netherlands (003), and other markets.

The company focuses on building and leasing tower infrastructure and related equipment, enabling wireless carriers to improve service coverage and capacity as mobile data demand grows globally.

American Tower has a broad global corporate structure that includes 616 subsidiaries active worldwide. These subsidiaries operate in at least 18 countries including major markets such as the United States with 507 subsidiaries, India with 73, Brazil with 10, Mexico with 4, and other countries with smaller numbers. Other countries include Colombia (3), Netherlands (3), South Africa (4), Singapore (2), Costa Rica (2), and Kenya (1).

For detailed company data in specific regions, you can visit the related pages:

Our datasets include verified and detailed information about American Tower and its subsidiaries worldwide. This covers company names, registration details, addresses, industry classifications, financial figures, and key contacts. The data is updated regularly and covers all active subsidiaries, allowing you to analyze American Tower’s global reach and corporate structure accurately.

You can get American Tower company data via API, bulk downloads, or our Bold Platform. Choose target countries and operational details, and we will prepare a tailored dataset with a free quote, record counts, and sample data usually provided within 24 hours. Upon approval, receive your dataset in CSV or Excel format quickly and securely.

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