Company lists · Data refreshed November 2026

Top 25 Telecom support companies worldwide

RevenueBase identified 3,650 company matches for telecom support companies worldwide as of November 2026 and tracks 79,799 professional contacts across them, including 11,551 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for telecom support companies 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 November 6, 2026. Country and city lists for telecom support companies 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 Nov 6, 2026 How this list was built
3,650Companies
79,799Contacts tracked
11,551Verified emails
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The 25 largest telecom support companies worldwide

Ranked by team size
Top 25 of 3,650 company matches for telecom support companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202610001+8,708 contacts →

Exact match

“A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSanto Domingo, Dominican RepublicHQ recorded Nov 6, 20261,001-5,0003,244 contacts →

Exact match

“Acercando sueños, oportunidades y momentos que hacen avanzar al país.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchn/a5,001-10,0003,221 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAuckland, New ZealandHQ recorded Nov 6, 20261,001-5,0001,645 contacts →

Exact match

“Need help?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLenexa, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,356 contacts →

Exact match

“Wachter is on the cutting-edge of technology and infrastructure installation and has been since 1930.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBethlehem, United StatesHQ recorded Nov 6, 20261,001-5,000811 contacts →

Exact match

“Sequential Tech is the trusted outsource partner of wireline/wireless telecommunication, broadband, cable/MSO, and satellite service providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchValdivia, ChileHQ recorded Nov 6, 2026501-1,000784 contacts →

Exact match

“Telsur the leading telecommunications company in the south of Chile.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCórdoba, SpainHQ recorded Nov 6, 20261,001-5,000760 contacts →

Exact match

“OFG is an international company with more than 20 years of experience in the telecommunications sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Marcos, TX, United StatesHQ recorded Nov 6, 20261,001-5,000587 contacts →

Exact match

“teleNetwork is a leading provider of outsourced customer service, technical support, and sales enablement solutions for technology products and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchZejtun, MaltaHQ recorded Nov 6, 2026501-1,000519 contacts →

Exact match

“We are a purpose-driven organisation that values our One Team culture, which emphasises collaboration and working together towards our common goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Marcos, TX, United StatesHQ recorded Nov 6, 20261,001-5,000513 contacts →

Exact match

“OneSupport is a leading provider of customer experience, technical support, and sales enablement solutions for technology products and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,000506 contacts →

Exact match

“La mission de Protelco?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBanja Luka, Bosnia and HerzegovinaHQ recorded Nov 6, 20261,001-5,000487 contacts →

Exact match

“Mtel a.d.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGrimsby, United KingdomHQ recorded Nov 6, 2026n/a486 contacts →

Exact match

“Rural Wi-Fi • Wide Area Wi-Fi • Holiday Park Wi-Fi • Farm Wi-Fi • Point-to-Point Wireless • Business Broadband • Starlink Distribution • Business VoIP • Cloud Phone Systems •…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLagos, NigeriaHQ recorded Nov 6, 2026501-1,000455 contacts →

Exact match

“We provide support services to the telecommunications industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchReggio Calabria, ItalyHQ recorded Nov 6, 20261,001-5,000450 contacts →

Exact match

“System House nasce come azienda informatica nel 1981 grazie alle competenze del suo Amministratore Unico.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000449 contacts →

Exact match

“A national telecommunications customer service fulfillment company, Prince Telecom specializes in Residential & Commercial installations, repair and construction services for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchQuincy, MA, United StatesHQ recorded Nov 6, 20261,001-5,000426 contacts →

Exact match

“At the heart of our company are employees who truly care about customers and ensuring they are connected through Internet, TV, and Voice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchJonesboro, AR, United StatesHQ recorded Nov 6, 2026201-500425 contacts →

Exact match

“At Ritter Communications, we have over a century-long tradition of providing quality residential and business communication services all across Arkansas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchEnschede, NetherlandsHQ recorded Nov 6, 2026501-1,000398 contacts →

Exact match

“Webhelp Enterprise is a high-end multilingual customer service provider with center of gravity in the Consumer Electronic, Personal Computer and Peripheral and Service industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUmraniye, TürkiyeHQ recorded Nov 6, 202651-200388 contacts →

Exact match

“Gentel Telecommunication was founded in 2006, for developing work areas and work opinions in telecommunication industry with its strong background and experience over 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchTempe, AZ, United StatesHQ recorded Nov 6, 2026201-500356 contacts →

Exact match

“Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSantana De Parnaíba, BrazilHQ recorded Nov 6, 202651-200327 contacts →

Exact match

“Atualmente, um atendimento técnico e uma entrega chegar no prazo é commodity, diferencial é o nível de experiência que o cliente terá durante esta jornada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrazilHQ recorded Nov 6, 20261,001-5,000319 contacts →

Exact match

“Empresa de telecomunicações voltada para o seguimento de call center e tecnologia da informação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIndore, IndiaHQ recorded Nov 6, 2026501-1,000308 contacts →

Exact match

“Uniinfo telecom services ltd is an Indian origin public limited company, founded in 2010, listed in the national stock exchange (NSE India) International headquartered in Indore…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,650 telecom support companies worldwide

See the full list, filter by size, metro and specialty, and access 11,551 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom support companies worldwide at a glance

As of Nov 6, 2026
14.5%Verified-email coverage
21.9Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,631
11-50
1,226
51-200
455
201-500
150
501-1,000
60
1,001-5,000
49
5,001-10,000
11
10001+
7

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 telecom support companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecom support companies” 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 11,551 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 November 6, 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.

Telecom support companies by location

18 lists · largest first

Every Telecom support 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 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 “telecom support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom support companies are there worldwide?

RevenueBase identified 3,650 company matches for telecom support companies worldwide as of November 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?

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

Which country has the most telecom support companies?

The United States leads with 690 companies, followed by Brazil (382) and the United Kingdom (286). Every telecom support companies list by country and city is linked on this page.

Which city has the most telecom support companies?

London leads with 59 company records, followed by Sao Paulo (56) and Madrid (22).

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 11,551 professional contacts with verified work emails tracked across these 3,650 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 November 6, 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 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.