Company lists · Data refreshed September 2026

Top 25 Communications firms worldwide

Name: Communications firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 11,976 companies tracked

RevenueBase identified 11,976 company matches for communications firms worldwide as of September 2026 and tracks 311,638 professional contacts across them, including 72,089 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for communications firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026. Country and city lists for communications firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built

11,976Companies

311,638Contacts tracked

72,089Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest communications firms worldwide

Ranked by team size

Top 25 of 11,976 company matches for communications firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Charter Communications	Exact match	Stamford, CT, United StatesHQ recorded Sep 21, 2026	10001+	30,997 contacts →
	Exact match “For company news and job opportunities, please follow us at: Spectrum is powered and innovated by Charter Communications.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Telecom Egypt	Exact match	Smart Village, EgyptHQ recorded Sep 21, 2026	10001+	14,061 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	TELIA	Exact match	Solna, SwedenHQ recorded Sep 21, 2026	10001+	13,021 contacts →
	Exact match “Our 15 talented colleagues serve millions of customers every day in one of the world’s most connected regions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Mobily	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 21, 2026	1,001-5,000	7,585 contacts →
	Exact match “Etihad Etisalat (Mobily) is a Saudi company launched commercially in May 2005.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Windstream	Exact match	Little Rock, AR, United StatesHQ recorded Sep 21, 2026	10001+	7,275 contacts →
	Exact match “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Cable ONE	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 21, 2026	1,001-5,000	6,379 contacts →
	Exact match “Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Tunisie Telecom	Exact match	Tunis, TunisiaHQ recorded Sep 21, 2026	5,001-10,000	5,061 contacts →
	Exact match “Tunisie Telecom est parmi les pionniers des grands opérateurs Telecom de la région.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Vodafoneziggo	Exact match	Utrecht, NetherlandsHQ recorded Sep 21, 2026	5,001-10,000	5,037 contacts →
	Exact match “VodafoneZiggo is een krachtenbundeling van twee sterke Nederlandse bedrijven.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Videotron	Exact match	Montréal (québec), QC, CanadaHQ recorded Sep 21, 2026	5,001-10,000	4,270 contacts →
	Exact match “Vidéotron s.e.n.c ( http://corpo.videotron.com/carrieres ), filiale à part entière de Quebecor Média inc, est une société intégrée de communications œuvrant dans les domaines de…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Fastweb	Exact match	Milano, ItalyHQ recorded Sep 21, 2026	1,001-5,000	3,297 contacts →
	Exact match “A partire dal 1° gennaio 2026 Fastweb S.p.A.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Telfort	Exact match	Venray, NetherlandsHQ recorded Sep 21, 2026	n/a	3,038 contacts →
	Exact match “Wij zijn Telfort Zakelijk.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Suddenlink Communications	Exact match	St. Louis, MO, United StatesHQ recorded Sep 21, 2026	5,001-10,000	2,407 contacts →
	Exact match “Suddenlink is the seventh largest cable operator in the United States, supporting the information, communication and entertainment demands of approximately 1.4 million residential…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Granite Telecommunications	Exact match	Quincy, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,270 contacts →
	Exact match “Granite is a dynamic and rapidly growing company serving the exciting and demanding Telecommunications market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	VERO	Exact match	Sao Paulo, BrazilHQ recorded Sep 21, 2026	1,001-5,000	2,162 contacts →
	Exact match “Somos a Vero, uma empresa de telecomunicações brasileira.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Optimum	Exact match	Queens, NY, United StatesHQ recorded Sep 21, 2026	5,001-10,000	1,954 contacts →
	Exact match “At Optimum, we believe in the power of connection.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Adfactors PR	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	1,001-5,000	1,920 contacts →
	Exact match “Adfactors PR, founded in 1997, is India's largest Public Relations firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Telecommunications Services Of Trinidad & Tobago Limited Tstt	Exact match	Port Of Spain, Trinidad and TobagoHQ recorded Sep 21, 2026	1,001-5,000	1,847 contacts →
	Exact match “About TSTT: Telecommunications Services of Trinidad and Tobago Limited is jointly owned by National Enterprises Limited (NEL 51%) and Cable & Wireless (West Indies) Limited,(C&W –…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	HOT	Exact match	Yakum, IsraelHQ recorded Sep 21, 2026	1,001-5,000	1,822 contacts →
	Exact match “HOT is a group of communication companies that offers customers a great variety of communication services, including multi-channel television, fast internet infrastructure with a…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Ooredoo Group	Exact match	Doha, QatarHQ recorded Sep 21, 2026	10001+	1,521 contacts →
	Exact match “We are an award-winning international communications company operating across the Middle East, North Africa and Southeast Asia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Consolidated Communications	Exact match	Mattoon, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,418 contacts →
	Exact match “On Sept.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Alloha Fibra	Exact match	Sao Paulo, BrazilHQ recorded Sep 21, 2026	5,001-10,000	1,397 contacts →
	Exact match “Somos a quarta maior empresa em número de assinantes e extensão de fibra óptica do País e o maior player independente neste segmento.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Alares Internet	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	1,001-5,000	1,222 contacts →
	Exact match “Somos uma operadora independente de telecomunicações, com sede na cidade de São Paulo/SP, que oferece serviços de internet de alta velocidade por fibra óptica, além de TV por…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	CYTA	Exact match	Λευκωσία, CyprusHQ recorded Sep 21, 2026	1,001-5,000	1,208 contacts →
	Exact match “Cyta was established with the aim of providing, maintaining and developing a comprehensive telecommunications service, both nationally and internationally.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Shentel	Exact match	Edinburg, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,186 contacts →
	Exact match “Shentel has been keeping communities connected since 1902.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Alticedo	Exact match	Santo Domingo, Dominican RepublicHQ recorded Sep 21, 2026	1,001-5,000	1,097 contacts →
	Exact match “Altice Dominicana, compañía líder de telecomunicaciones y entretenimiento, está creando un camino hacia el mundo que sueñas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “communications firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 11,976 communications firms worldwide

See the full list, filter by size, metro and specialty, and access 72,089 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Communications firms worldwide at a glance

As of Sep 21, 2026

23.1%Verified-email coverage

26.0Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

7,669

11-50

3,178

51-200

722

201-500

188

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for communications firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “communications firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 72,089 professional contacts with verified work emails across the full matched dataset. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Communications firms by location

60 lists · largest first

Every Communications firms 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “communications firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many communications firms are there worldwide?

RevenueBase identified 11,976 company matches for communications firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Charter Communications tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most communications firms?

The United States leads with 2,411 companies, followed by Brazil (1,023) and the United Kingdom (576). Every communications firms list by country and city is linked on this page.

Which city has the most communications firms?

Sao Paulo leads with 241 company records, followed by London (149) and Paris (134).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 72,089 professional contacts with verified work emails tracked across these 11,976 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 11,976 communications firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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 SmartSearch, 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.