Company lists · Data refreshed September 2026

Top 25 Telecommunications infrastructure companies worldwide

Name: Telecommunications infrastructure companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 9,420 companies tracked

RevenueBase identified 9,420 telecommunications infrastructure companies worldwide as of September 2026 and tracks 525,294 professional contacts across them, including 104,155 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers telecommunications infrastructure companies 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 16, 2026. Country and city lists for telecommunications infrastructure companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

9,420Companies

525,294Contacts tracked

104,155Verified emails

0Mobile numbers

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The 25 largest telecommunications infrastructure companies worldwide

Ranked by team size

Top 25 of 9,420 telecommunications infrastructure companies worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications infrastructure companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Telefónica	Partial evidence	Madrid, SpainHQ checked Sep 16, 2026	10001+	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 16, 2026
2	Telecom Egypt	Partial evidence	Smart Village, EgyptHQ checked Sep 16, 2026	10001+	14,061 contacts →
	Partial evidence “Since its establishment in 1854, Telecom Egypt has played a pivotal role in driving growth within the local ICT market capitalizing on its vast infrastructure, which is one of the…” Source: RevenueBase Database · checked Sep 16, 2026
3	Telekom Malaysia	Partial evidence	Kuala Lumpur, MalaysiaHQ checked Sep 16, 2026	10001+	9,167 contacts →
	Partial evidence “TM is the national connectivity and digital infrastructure provider and Malaysia’s leading integrated telco; offering a comprehensive suite of communication services and solutions…” Source: RevenueBase Database · checked Sep 16, 2026
4	Indus Towers Limited	Indirect evidence	Gurgaon, IndiaHQ checked Sep 16, 2026	5,001-10,000	8,549 contacts →
	Indirect evidence “Indus Towers Limited is one of the world’s largest telecom tower companies, formed by the merger of Bharti Infratel and Indus Towers in 2020.” Source: RevenueBase Database · checked Sep 16, 2026
5	Serede	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 16, 2026	10001+	8,011 contacts →
	Indirect evidence “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Source: RevenueBase Database · checked Sep 16, 2026
6	Mobily	Indirect evidence	Riyadh, Saudi ArabiaHQ checked Sep 16, 2026	1,001-5,000	7,585 contacts →
	Indirect evidence “Etihad Etisalat (Mobily) is a Saudi company launched commercially in May 2005.” Source: RevenueBase Database · checked Sep 16, 2026
7	Windstream	Indirect evidence	Little Rock, AR, United StatesHQ checked Sep 16, 2026	10001+	7,275 contacts →
	Indirect evidence “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
8	DU	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 16, 2026	1,001-5,000	6,465 contacts →
	Indirect evidence “Add life to life.” Source: RevenueBase Database · checked Sep 16, 2026
9	STL	Partial evidence	Pune, IndiaHQ checked Sep 16, 2026	1,001-5,000	5,391 contacts →
	Partial evidence “STL is a global leader in advanced connectivity solutions, providing end-to-end solutions for building AI-ready infrastructure, FTTx, Rural, Enterprise and Data Centre networks.” Source: RevenueBase Database · checked Sep 16, 2026
10	Crown Castle	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	1,001-5,000	4,508 contacts →
	Indirect evidence “We build stronger networks, together.” Source: RevenueBase Database · checked Sep 16, 2026
11	Claro Perú	Indirect evidence	La Victoria, VenezuelaHQ checked Sep 16, 2026	1,001-5,000	4,454 contacts →
	Indirect evidence “Claro Perú es subsidiaria de América Móvil, la empresa líder en servicios integrados de telecomunicaciones en Latinoamérica.” Source: RevenueBase Database · checked Sep 16, 2026
12	Viavi Solutions	Indirect evidence	Chandler, AZ, United StatesHQ checked Sep 16, 2026	1,001-5,000	4,248 contacts →
	Indirect evidence “VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions.” Source: RevenueBase Database · checked Sep 16, 2026
13	Shaw Communications	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 16, 2026	10001+	4,209 contacts →
	Indirect evidence “Shaw and Rogers have come together to continue expanding connectivity, supporting local communities and bringing you the latest 5G and fibre network technology.” Source: RevenueBase Database · checked Sep 16, 2026
14	Circet	Partial evidence	Paris, FranceHQ checked Sep 16, 2026	10001+	3,901 contacts →
	Partial evidence “A global player in the telecom infrastructure services industry, the Circet Group provides operators, local authorities and key accounts throughout the world with an integrated…” Source: RevenueBase Database · checked Sep 16, 2026
15	Wind TRE	Indirect evidence	Milano, ItalyHQ checked Sep 16, 2026	5,001-10,000	3,850 contacts →
	Indirect evidence “WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Source: RevenueBase Database · checked Sep 16, 2026
16	Tejas Networks	Indirect evidence	Bangalore, IndiaHQ checked Sep 16, 2026	1,001-5,000	3,282 contacts →
	Indirect evidence “Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D.” Source: RevenueBase Database · checked Sep 16, 2026
17	IHS Towers	Partial evidence	London, United KingdomHQ checked Sep 16, 2026	1,001-5,000	3,242 contacts →
	Partial evidence “IHS Towers is one of the largest independent owners, operators and developers of shared communications infrastructure in the world by tower count and is solely focused on the…” Source: RevenueBase Database · checked Sep 16, 2026
18	Hfcl Limited	Indirect evidence	New Delhi, IndiaHQ checked Sep 16, 2026	1,001-5,000	3,233 contacts →
	Indirect evidence “HFCL is a leading technology company specialising in creating digital networks for telcos, enterprises and governments.” Source: RevenueBase Database · checked Sep 16, 2026
19	Mastec Communications Group	Indirect evidence	Coral Gables, FL, United StatesHQ checked Sep 16, 2026	5,001-10,000	3,207 contacts →
	Indirect evidence “MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.” Source: RevenueBase Database · checked Sep 16, 2026
20	Zayo Group	Partial evidence	Denver, CO, United StatesHQ checked Sep 16, 2026	5,001-10,000	2,948 contacts →
	Partial evidence “For more than 18 years, Zayo Group of companies has helped the world’s most ambitious organizations build the infrastructure behind what’s next.” Source: RevenueBase Database · checked Sep 16, 2026
21	GTL Limited	Indirect evidence	Navi Mumbai, IndiaHQ checked Sep 16, 2026	1,001-5,000	2,780 contacts →
	Indirect evidence “GTL, a Global Group Enterprise, is a leading Network Services company, offering services and solutions to address the Network Life Cycle requirements of Telecom Operators…” Source: RevenueBase Database · checked Sep 16, 2026
22	ELTEL	Partial evidence	Stockholm, SwedenHQ checked Sep 16, 2026	1,001-5,000	2,709 contacts →
	Partial evidence “Eltel is one of the leading service providers for critical infrastructure in the Nordics.” Source: RevenueBase Database · checked Sep 16, 2026
23	Procisa DO Brasil	Indirect evidence	São Paulo, BrazilHQ checked Sep 16, 2026	1,001-5,000	2,538 contacts →
	Indirect evidence “Prazer, somos a Procisa do Brasil!” Source: RevenueBase Database · checked Sep 16, 2026
24	Digi Telecommunications	Partial evidence	Shah Alam, MalaysiaHQ checked Sep 16, 2026	1,001-5,000	2,327 contacts →
	Partial evidence “Digi Telecommunications Sdn Bhd (Registration No.” Source: RevenueBase Database · checked Sep 16, 2026
25	Sogetrel	Partial evidence	Issy Les Moulineaux, FranceHQ checked Sep 16, 2026	1,001-5,000	2,285 contacts →
	Partial evidence “En première ligne de la transformation numérique des entreprises et des territoires, le Groupe Sogetrel est spécialisé dans les services aux infrastructures numériques et…” Source: RevenueBase Database · checked Sep 16, 2026

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 infrastructure companies. 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 infrastructure companies.
Partial evidence: Its own public description names part of telecommunications infrastructure companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecommunications infrastructure companies. 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 9,420 telecommunications infrastructure companies worldwide

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Telecommunications infrastructure companies worldwide at a glance

As of Sep 16, 2026

19.8%Verified-email coverage

55.8Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

2,798

11-50

3,651

51-200

1,829

201-500

583

501-1,000

229

1,001-5,000

222

5,001-10,000

10001+

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 infrastructure companies, 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: 40 countries, largest first: the United States, Brazil, the United Kingdom, France, Germany, India, Italy, Canada, Spain, Australia and 30 more. Country and city lists for telecommunications infrastructure companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecommunications infrastructure companies”. 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 infrastructure companies), 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 infrastructure companies, 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, 104,155 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 16, 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 infrastructure companies by location

48 lists · largest first

Every Telecommunications infrastructure companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 infrastructure companies, 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 infrastructure companies are there worldwide?

RevenueBase identified 9,420 telecommunications infrastructure companies 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?

Telefónica, headquartered in Madrid, tops this list with the largest team on record.

Which country has the most telecommunications infrastructure companies?

The United States leads with 2,280 companies, followed by Brazil (1,039) and the United Kingdom (625). Every telecommunications infrastructure companies list by country and city is linked on this page.

Which city has the most telecommunications infrastructure companies?

Sao Paulo leads with 141 headquartered companies, followed by London (87) and Paris (58).

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 104,155 verified decision-maker contacts tracked across these 9,420 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 16, 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.