Company lists · Data refreshed September 2026
Top 25 Telecommunications network operators worldwide
RevenueBase identified 4,242 telecommunications network operators worldwide as of September 2026 and tracks 1,110,541 professional contacts across them, including 183,709 with verified work emails and 0 with mobile numbers. Brazil is the largest market and Sao Paulo the largest hub.
This list covers telecommunications network operators worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for telecommunications network operators follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telecommunications network operators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 149,412 contacts → | ||||
Indirect evidence “We understand that our customers want an easier, less complicated life.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 84,459 contacts → | ||||
Indirect evidence “At Vodafone, our purpose is to connect everyone.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 71,767 contacts → | ||||
Strong evidence “Orange is one of the world’s leading telecommunications operators with revenues of 40.3 billion euros in 2024 and employees worldwide at 31 December 2024, including employees in…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67,946 contacts → | ||||
Indirect evidence “Airtel was founded to provide global connectivity and unlock endless opportunities.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 54,718 contacts → | ||||
Partial evidence “Telefónica is today one of the largest telecommunications companies in the world in terms of market capitalisation and number of customers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31,885 contacts → | ||||
Indirect evidence “We believe it’s people who give purpose to our technology.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 30,465 contacts → | ||||
Indirect evidence “Prazer, somos a Claro!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 29,859 contacts → | ||||
Indirect evidence “Vivo (Telefônica Brasil) is part of the Telefónica Group and with more than 94 million customers, of which 75 million mobile and 19 million fixed, we are the largest…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26,596 contacts → | ||||
Indirect evidence “Spectrum is a suite of advanced communications services offered by Charter Communications, Inc.(NASDAQ:CHTR), a leading broadband connectivity company available to more than 57…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 19,263 contacts → | ||||
Indirect evidence “We are driving the digital transition of Italy and Brazil with innovative technologies and services because we want to contribute to accelerating the sustainable growth of the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13,574 contacts → | ||||
Partial evidence “Connect with Mzansi’s Best* Value Network as we enable everyday ambitions.#TelkomIsIconic #PossibleBeginsHere To learn more about Telkom, visit:” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13,021 contacts → | ||||
Indirect evidence “Our 15 talented colleagues serve millions of customers every day in one of the world’s most connected regions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12,790 contacts → | ||||
Partial evidence “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10,668 contacts → | ||||
Indirect evidence “Desde el origen en 1964, uno de nuestros motores para avanzar y evolucionar ha sido el querer ser un aporte para el desarrollo futuro de las personas, las empresas y la sociedad.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10,572 contacts → | ||||
Indirect evidence “We are Telecom Argentina, a connectivity solutions and entertainment company with over collaborators throughout the country.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9,652 contacts → | ||||
Indirect evidence “Claro Telecomunicaciones móviles y Claro Telecomunicaciones fijas.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 7,275 contacts → | ||||
Indirect evidence “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6,465 contacts → | ||||
Indirect evidence “Add life to life.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6,379 contacts → | ||||
Indirect evidence “Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5,324 contacts → | ||||
Indirect evidence “Claro Chile es filial de América Móvil, el tercer operador de telecomunicaciones en el mundo y el más grande de Latinoamérica.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5,204 contacts → | ||||
Indirect evidence “Te damos la Bienvenida a Claro Argentina Somos parte de América Móvil, uno de los grupos de telecomunicaciones más importantes a nivel mundial, con presencia en países de América…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5,037 contacts → | ||||
Indirect evidence “VodafoneZiggo is een krachtenbundeling van twee sterke Nederlandse bedrijven.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4,921 contacts → | ||||
Indirect evidence “A GVT é a empresa nacional que mais cresce no setor de telecomunicações.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4,895 contacts → | ||||
Indirect evidence “A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4,444 contacts → | ||||
Partial evidence “Tele2 is a Nordic and Baltic telecom operator built on a strong challenger culture.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecommunications network operators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecommunications network operators.
- Partial evidence
- Its own public description names part of telecommunications network operators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecommunications network operators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 4,242 telecommunications network operators worldwide
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Telecommunications network operators worldwide at a glance
As of Sep 19, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecommunications network operators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 27 countries, largest first: Brazil, the United States, the United Kingdom, Spain, France, Italy, Germany, India, Poland, Australia and 17 more. Country and city lists for telecommunications network operators are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “telecommunications network operators”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecommunications network operators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecommunications network operators, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 183,709 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Telecommunications network operators by location
29 lists · largest firstEvery Telecommunications network operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telecommunications network operators based in Brazil959
- Telecommunications network operators based in the United States546
- Telecommunications network operators based in the United Kingdom443
- Telecommunications network operators based in Spain319
- Telecommunications network operators based in France272
- Telecommunications network operators based in Italy266
- Telecommunications network operators based in Germany200
- Telecommunications network operators based in India143
- Telecommunications network operators based in Poland106
- Telecommunications network operators based in Australia105
- Telecommunications network operators based in the Netherlands95
- Telecommunications network operators based in Canada79
- Telecommunications network operators based in Mexico76
- Telecommunications network operators based in South Africa71
- Telecommunications network operators based in Türkiye63
- Telecommunications network operators based in Argentina62
- Telecommunications network operators based in Colombia49
- Telecommunications network operators based in Belgium48
- Telecommunications network operators based in Portugal48
- Telecommunications network operators based in Indonesia46
- Telecommunications network operators based in Sweden43
- Telecommunications network operators based in Chile39
- Telecommunications network operators based in the United Arab Emirates37
- Telecommunications network operators based in Switzerland35
- Telecommunications network operators based in Romania34
- Telecommunications network operators based in Malaysia30
- Telecommunications network operators based in Hungary28
Cities
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecommunications network operators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecommunications network operators are there worldwide?
RevenueBase identified 4,242 telecommunications network operators worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
At&t, headquartered in Dallas, tops this list with the largest team on record.
Which country has the most telecommunications network operators?
Brazil leads with 959 companies, followed by the United States (546) and the United Kingdom (443). Every telecommunications network operators list by country and city is linked on this page.
Which city has the most telecommunications network operators?
Sao Paulo leads with 105 headquartered companies, followed by London (69) and Rio De Janeiro (37).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 183,709 verified decision-maker contacts tracked across these 4,242 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.