Company lists · Data refreshed November 2026

Top 25 Transformer accessory suppliers based in Brazil

RevenueBase identified 189 company matches for transformer accessory suppliers associated with Brazil as of November 2026 and tracks 3,642 professional contacts across them, including 363 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for transformer accessory suppliers 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 2, 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 2, 2026 How this list was built
189Companies
3,642Contacts tracked
363Verified emails
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The 25 largest transformer accessory suppliers based in Brazil

Ranked by team size
Top 25 of 189 company matches for transformer accessory suppliers based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchBauru, BrazilHQ recorded Nov 2, 2026201-500522 contacts →

Exact match

“Desde 1995, a Gali Energia constrói uma trajetória de excelência e inovação no setor elétrico brasileiro, liderando um Brasil protagonista em soluções sustentáveis de energia.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchOrlandia, BrazilHQ recorded Nov 2, 20261,001-5,000374 contacts →

Exact match

“Uma indústria orgulhosamente brasileira, referência nacional e internacional na fabricação de produtos para os setores de transmissão e distribuição de energia, sistemas de…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchCuiabá, BrazilHQ recorded Nov 2, 20261,001-5,000274 contacts →

Exact match

“A TRAEL iniciou suas atividades em 1992 com a fabricação de transformadores de distribuição, força e especiais.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchManaus, BrazilHQ recorded Nov 2, 2026201-500230 contacts →

Exact match

“A Indústria de Transformadores Amazonas Ltda, ITAM, é uma empresa do segmento de energia elétrica, especializada na produção de transformadores de diversas classes e potências…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchBragança Paulista, BrazilHQ recorded Nov 2, 2026201-500229 contacts →

Exact match

“We have been in the market for over 20 years serving the main industrial and commercial markets, gaining prominent positions in the segments of Engineering, Commissioning of…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchItu, BrazilHQ recorded Nov 2, 2026201-500153 contacts →

Exact match

“ISOLET is a company based out of Rod.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchCornelio Procopio, BrazilHQ recorded Nov 2, 2026501-1,000141 contacts →

Exact match

“A COMTRAFO atua desde 1994 produzindo transformadores de distribuição e força para o mercado nacional e internacional.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchVolta Redonda, BrazilHQ recorded Nov 2, 20261,001-5,000107 contacts →

Exact match

“A MP Trafos Engenharia nasceu em 1993, na cidade de Pindamonhangaba, para atender a crescente demanda por manutenção industrial especializada.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchMonte Mor, BrazilHQ recorded Nov 2, 202651-20043 contacts →

Exact match

“Fundada em 01/07/1997, a Brastrafo do Brasil é uma empresa nacional que nasceu com o propósito de atender o setor elétrico, em todos os seus segmentos (geração, transmissão…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchItupeva, BrazilHQ recorded Nov 2, 202651-20037 contacts →

Exact match

“Empresa fundada em 2004, a ISOLETRI converte materiais isolantes a base de celulose para isolação de transformadores, reatores e equipamentos elétricos para baixa, média e alta…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchCuritiba, BrazilHQ recorded Nov 2, 202611-5037 contacts →

Exact match

“We are a company that has been operating in the LOW, MEDIUM, HIGH VOLTAGE market for 20 years selling high quality products, through our partners NKT, RITZ, ENSTO, SIBA and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchPaulínia, BrazilHQ recorded Nov 2, 202651-20036 contacts →

Exact match

“Contatus Eletricidade is an industrial electrical assembly company based at Rua Francisco Lucherini, 296, Betel, Paulinia, São Paulo, Brazil, CEP 13148-162”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchGoiânia, BrazilHQ recorded Nov 2, 202611-5036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchJundiaí, BrazilHQ recorded Nov 2, 202651-20034 contacts →

Exact match

“A "Transformadores Jundiaí – Soluções em Energia" se consolida, desde 1990, no mercado regional e nacional como referência no segmento elétrico, sempre seguindo o compromisso de…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchCampinas, BrazilHQ recorded Nov 2, 202611-5031 contacts →

Exact match

“A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchMandirituba, BrazilHQ recorded Nov 2, 202651-20026 contacts →

Exact match

“Fundada em 2015, a partir da união de profissionais com mais de 30 anos de experiência no mercado de energia e na fabricação de equipamentos eletromecânicos voltados para…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchPinhais, BrazilHQ recorded Nov 2, 202611-5017 contacts →

Exact match

“A Entran Indústria de Equipamentos foi fundada em 1988 na cidade de Curitiba, Paraná.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchSão Joaquim De Bicas, BrazilHQ recorded Nov 2, 202611-5014 contacts →

Exact match

“Formed by experienced professionals in the Brazilian electric sector, we are a group of companies specialized in analysis, diagnostics, maintenance of transformers, manufacture of…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchBlumenau, BrazilHQ recorded Nov 2, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchBoituva, BrazilHQ recorded Nov 2, 202611-5012 contacts →

Exact match

“A HB INDUSTRIA iniciou suas atividades como HOLEC BARRAS, fabricamos #barramentosblindados e seus acessórios para a interligação de transformadores a painéis de distribuição…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchSao Bernardo Do Campo, BrazilHQ recorded Nov 2, 202651-20011 contacts →

Exact match

“A Sellux Materiais Elétricos, estabelecida em 2013 em São Bernardo do Campo, São Paulo, é uma empresa pioneira na fabricação de materiais elétricos de alta qualidade.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchSão José Do Rio Pardo, BrazilHQ recorded Nov 2, 202651-2008 contacts →

Exact match

“Founded in 1995, Riotrafo has been providing innovative solutions in the Electricity Distribution transformers segment in voltage class 15 kV, 25kV and 36,2 kV.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchMogi Mirim, BrazilHQ recorded Nov 2, 202611-507 contacts →

Exact match

“A Bralux Transformadores é especializada na venda, reforma e locação de transformadores e equipamentos elétricos para subestações.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchPinhais, BrazilHQ recorded Nov 2, 202651-2006 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchBlumenau, BrazilHQ recorded Nov 2, 202611-505 contacts →

Exact match

“Ventiladores para transformadores, ventilação forçada para transformadores a seco, comutadores sem tensão, equipamentos elétricos, acessórios para transformadores”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 189 transformer accessory suppliers based in Brazil

See the full list, filter by size, metro and specialty, and access 363 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer accessory suppliers based in Brazil at a glance

As of Nov 2, 2026
10.0%Verified-email coverage
19.3Average contacts per company
11-50Median size (employees)
12.7%Largest-city concentration · Sao Paulo
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
52
11-50
83
51-200
35
201-500
8
501-1,000
2
1,001-5,000
3

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 189 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 “transformer accessory suppliers” 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 363 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 2, 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 “transformer accessory suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer accessory suppliers are there based in Brazil?

RevenueBase identified 189 company matches for transformer accessory suppliers 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?

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

Which city has the most transformer accessory suppliers?

Sao Paulo leads with 24 company records, followed by Guarulhos (9) and Blumenau (7).

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 363 professional contacts with verified work emails tracked across these 189 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 2, 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.