Company lists · Data refreshed November 2026

Top 20 Optical test equipment distributors based in Brazil

RevenueBase identified 60 company matches for optical test equipment distributors associated with Brazil as of November 2026 and tracks 1,766 professional contacts across them, including 421 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for optical test equipment distributors 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
60Companies
1,766Contacts tracked
421Verified emails
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The 20 largest optical test equipment distributors based in Brazil

Ranked by team size
Top 20 of 60 company matches for optical test equipment distributors 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 matchCampinas, BrazilHQ recorded Nov 6, 2026501-1,000685 contacts →

Exact match

“A reference for high-capacity optical transport technology and systems, Padtec offers an extensive product portfolio that meets the end-to-end demands - in transmission, optical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDiadema, BrazilHQ recorded Nov 6, 2026201-500185 contacts →

Exact match

“Established in 1988, in Wuhan, China, YOFC keeping the strategy of leadership and internationalization, started in the mining city of Pouso Alegre in Brazil a solution…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-50111 contacts →

Exact match

“A ARSITEC É uma empresa 100% brasileira, com atuação voltada para o segmento de telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPaulinia, BrazilHQ recorded Nov 6, 2026201-500101 contacts →

Exact match

“A AsGa, teve sua origem nos grupos de pesquisas que desenvolveram as tecnologias de comunicações por fibras ópticas e de transmissão digital, apoiado, desde 1973, pela Telebrás.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCampinas, BrazilHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“The history of AMPHENOL BROADBAND SOLUTIONS began with Monte D'Este Indústria e Comércio de Materiais Elétricos, a company founded in 1972, born of a partnership between the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchJundiaí, BrazilHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Fundada em 1982, a Distribuidora Sul-Americana de Ótica LTDA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCampinas, BrazilHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“FiberWork is a company specialized in Optical Fiber Communication Technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“A Optivision é uma empresa de venda e assistência técnica de equipamentos oftalmológicos de alta tecnologia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchBalneário Camboriú, BrazilHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“Fibramérica: Innovation and Global Connectivity in Telecommunications At Fibramérica, we lead the market in the manufacturing and distribution of high-quality fiber optic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“Somos uma empresa com mais de 18 anos no mercado da telecomunicação, fornecemos componentes passiveis de comunicação por fibra óptica; Cordões ópticos, Splitter óptico, Pig tail…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSantos, BrazilHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“A Unicaserv é uma Distribuidora de equipamentos de Telecomunicações, especializada em Redes de Fibras Ópticas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSalvador, BrazilHQ recorded Nov 6, 20261-1019 contacts →

Exact match

“Concebida para atender à crescente demanda em tecnologia óptica no Brasil, a OPTLASER BRASIL oferta uma série de soluções voltadas para o mercado nacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Especializada em Instrumentos de Teste e Medição, oferecemos serviços e produtos com alto nível de qualidade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSanta Rita Do Sapucaí, BrazilHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Empresa de injeção plástica”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCampinas, BrazilHQ recorded Nov 6, 202611-505 contacts →

Exact match

“A Belver Instrumentos é, desde 1996, uma empresa lider no fornecimento ao mercado brasileiro de equipamentos de Teste e Medição para uma ampla variedade de tecnologias de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCacapava, BrazilHQ recorded Nov 6, 2026201-5004 contacts →

Exact match

“A Rosenberger, como uma grande especialista no desenvolvimento, vendas e fabricação de grandes soluções em telecomunicação, se apresentando também como uma grande líder mundial no…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261-103 contacts →

Exact match

“A InstruFiber Instrumentações e Tecnologia, vem conquistando mais espaço no mercado a cada dia, além de reconhecimento e credibilidade em seu segmento de negócios.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchNiterói, BrazilHQ recorded Nov 6, 20261-103 contacts →

Exact match

“COOK Energia e Telecomunicações Ltda, com sede em Niterói - Rio de Janeiro, fornece solução completa em Distribuidoes Gerais Telefonicos (linha Cook / Corning/ Krone / Bargoa/…”

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

Showing 20 of 60 optical test equipment distributors based in Brazil

See the full list, filter by size, metro and specialty, and access 421 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Optical test equipment distributors based in Brazil at a glance

As of Nov 6, 2026
23.8%Verified-email coverage
29.4Average contacts per company
11-50Median size (employees)
25.0%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
24
51-200
6
201-500
4
501-1,000
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 60 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 “optical test equipment distributors” 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 421 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 “optical test equipment distributors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many optical test equipment distributors are there based in Brazil?

RevenueBase identified 60 company matches for optical test equipment distributors 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?

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

Which city has the most optical test equipment distributors?

Sao Paulo leads with 15 company records, followed by Campinas (5) and Itajai (3).

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 421 professional contacts with verified work emails tracked across these 60 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.