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AT&T subsidiaries · 2026

What companies does AT&T own?

AT&T owns 8,967 companies in 49 countries. Most of them are in the United States (8,656), Mexico (205) and India (24), together 99% of the group. Below you find every company in the group, where it is registered and how it connects to the parent.

Data counted on

AT&T headquarters and key facts

Parent
AT&T INC.
Headquarters
208 S Akard St, 75202 Dallas
Company no.
2018584
Companies owned
8,967
Countries
49
New in 2026
1

We place every company on one of three levels: the Global HQ, a National HQ per country, and Local HQs below it. Every number on this page is counted from that structure in our live data.

List of all 8,967 AT&T subsidiaries

The AT&T subsidiaries list: every company AT&T owns, where it is registered and how it connects to AT&T INC..

LIVE DATA STREAM • 2026 Audit

AT&T

Company Hierarchy

Total Subsidiaries8,967
Countries49
Total Revenue (est)—
Founded1983
CompanyLocationFoundedEmployeesRevenue (USD)Legal TypeCEOWebsiteCategory CodeCategory Description# in GroupLocal HQ NameLocal HQ CityLocal HQ CountryNational HQ NameNational HQ CityGlobal HQ NameGlobal HQ CityGlobal HQ Country
Enterprise

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What companies does AT&T own? Its businesses by activity

7,086 of the companies AT&T owns (79%) are in radiotelephone communications, followed by telephone communications (1,335).

  • Radiotelephone communications (79%)7,086
  • Telephone communications (15%)1,335
  • Services (2%)179
  • Communications services (1%)101
  • Cable and other pay television services (0%)16
  • Business consulting services (0%)14
  • Electronic parts and equipment (0%)13
  • Business services (0%)10
  • Holding companies (0%)8
  • Telegraph and other message communications (0%)7

AT&T subsidiaries by country

More than half of all AT&T companies are registered in the United States: 8,656 of 8,967.

Top cities

  • Atlanta169
  • Houston128
  • Dallas116
  • San Antonio110
  • Chicago96

New AT&T subsidiaries in 2026

This year AT&T registered one new company: Forged Fiber 37, LLC in Dallas, United States.

New companies per year
  1. 02022
  2. 22023
  3. 242024
  4. 12025
  5. 12026 so far
  • Forged Fiber 37, LLCDallas, United StatesTelephone communications

Largest AT&T subsidiaries

Ranked by employees. Revenue is often booked on the group, so headcount shows better where the work is done.

  1. 1Ohio Bell Telephone Company7,971 employees
  2. 2Illinois Bell Telephone Company5,965 employees
  3. 3Illinois Bell Telephone Company5,965 employees
  4. 4Bbs Holdings, INC.5,246 employees
  5. 5AT&T Communications Americas, INC.5,048 employees

Oldest AT&T subsidiaries

The companies in the group with the earliest founding year.

  1. 1896Alltell Pennsylvania INCLittle Rock, United States
  2. 1898AT&T CORP.New York, United States
  3. 1904Michigan Bell Telephone CompanyDetroit, United States

Who owns AT&T?

AT&T INC. sits at the top of its group: no other company in our data owns it.

AT&T competitors

Groups that own companies in the same activities. Open a profile to compare how they are built.

AT&T is one of the groups that own the most telecom companies in our data.

AT&T subsidiaries: frequently asked questions

Every answer is counted from the group data on this page.

Ask a data expert
What companies does AT&T own?

AT&T owns 8,967 companies. 7,086 of them (79%) are in radiotelephone communications, followed by telephone communications (1,335).

How many subsidiaries does AT&T have?

AT&T has 8,967 companies in 49 countries, all owned by AT&T INC..

Where is AT&T headquartered?

AT&T INC. is registered at 208 S Akard St, 75202 Dallas, company number 2018584.

Which countries have the most AT&T companies?

The United States (8,656), Mexico (205) and India (24), together 99% of the group.

How many new companies did AT&T start this year?

This year AT&T registered one new company: Forged Fiber 37, LLC in Dallas, United States.

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