Company lists · Data refreshed November 2026

Top 16 Telecommunications testing services based in Brazil

RevenueBase identified 77 company matches for telecommunications testing services associated with Brazil as of November 2026 and tracks 2,409 professional contacts across them, including 200 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for telecommunications testing services associated with Brazil, 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.

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
77Companies
2,409Contacts tracked
200Verified emails
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The 16 largest telecommunications testing services based in Brazil

Ranked by team size
Top 16 of 77 company matches for telecommunications testing services based in Brazil, 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 matchBarueri, BrazilHQ recorded Nov 6, 2026201-500382 contacts →

Exact match

“A MY Business é uma empresa prestadora de serviços para telecomunicações, que atua no segmento de engenharia celular e TI, especializada na avaliação de qualidade dos serviços…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRecife, BrazilHQ recorded Nov 6, 2026201-500332 contacts →

Exact match

“A FITec é uma Instituição de Ciência e Tecnologia (ICT) que presta serviços de Pesquisa e Desenvolvimento (P&D), Consultoria & Engenharia e Serviços de Laboratório de Certificação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCampinas, BrazilHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“Moderna Tecnologia emerged from the dream of undertaking and innovating.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSão Carlos, BrazilHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“O Laboratório CENIC, localizado em São Carlos-SP, foi criado em 2007 por uma equipe de engenheiros com mais de dez anos de experiência em ensaios mecânicos estáticos e de fadiga.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHortolândia, BrazilHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Excelência em Ensaios de Compatibilidade Eletromagnética e Certificação de Produtos!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchGuarulhos, BrazilHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Empresa especializada em instrumentos de Medição das áreas de Telecom, Eletrônica e Eletroeletrônica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBarueri, BrazilHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“A NGN Telecom é uma empresa nacional, com mais de 20 anos de atuação no mercado de telecomunicações e TI e tem como Objetivo prover as melhores soluções de testes, qualidade de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBrasília, BrazilHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Criada em 1988, em Brasília, a WISE Indústria de Telecomunicações é a única fabricante latino-americana de equipamentos de teste para redes de telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-50011 contacts →

Exact match

“A DOCATEL tem como principal propósito oferecer serviços de alta qualidade aos fabricantes de equipamentos e as operadoras de telefonia, nos mais diversos segmentos da área de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCampinas, BrazilHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Com tradição de mais de 160 anos, o Grupo ZwickRoell é referência global de qualidade, inovação e competência na área de ensaios de materiais.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“Iniciou os seus passos em direção ao mercado de prestação de serviços em Telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Therefore, our mission is: to meet with excellence the demands of our customers to stay current and consolidate their position as the leader in telecommunications technology, by…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Somos uma empresa genuinamente MINEIRA, que através do Ato nº 19.434, de 28 de setembro de 2001 foi designada para exercer, em nome da Agência Nacional de Telecomunicações –…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261-105 contacts →

Exact match

“UNISAT: uma empresa com 33 anos no mercado, vasto histórico de realizações para empresas do Brasil e do exterior, contando com profissionais especializados em uma ampla gama de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBalsas, BrazilHQ recorded Nov 6, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Fundada em 2010, para fornecer ao mercado um atendimento diferente do convencional, a CISTEK já impressiona nos resultados obtidos com vendas em equipamentos de Teste e Medição.”

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

Showing 16 of 77 telecommunications testing services based in Brazil

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Telecommunications testing services based in Brazil at a glance

As of Nov 6, 2026
8.3%Verified-email coverage
31.3Average contacts per company
11-50Median size (employees)
16.9%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
24
51-200
8
201-500
5
501-1,000
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 77 companies.

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.
What qualifies
Company records associated with Brazil whose business descriptions match “telecommunications testing services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 200 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.

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 “telecommunications testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications testing services are there based in Brazil?

RevenueBase identified 77 company matches for telecommunications testing services associated with Brazil 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?

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

Which city has the most telecommunications testing services?

Sao Paulo leads with 13 company records, followed by Rio De Janeiro (6) and Belo Horizonte (5).

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 200 professional contacts with verified work emails tracked across these 77 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.