Company lists · Data refreshed November 2026

Top 25 Special transformers suppliers based in Brazil

RevenueBase identified 256 company matches for special transformers suppliers associated with Brazil as of November 2026 and tracks 4,897 professional contacts across them, including 554 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for special transformers 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 1, 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 1, 2026 How this list was built
256Companies
4,897Contacts tracked
554Verified emails
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The 25 largest special transformers suppliers based in Brazil

Ranked by team size
Top 25 of 256 company matches for special transformers suppliers based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 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 1, 2026201-500500 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 1, 2026 · View company records in RevenueBase
2Exact matchItápolis, BrazilHQ recorded Nov 1, 20261,001-5,000377 contacts →

Exact match

“Com mais de 50 anos de história, a Itaipu Transformadores é uma das principais referências na fabricação de transformadores de potência no Brasil e no exterior.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
3Exact matchCuiabá, BrazilHQ recorded Nov 1, 20261,001-5,000259 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 1, 2026 · View company records in RevenueBase
4Exact matchBragança Paulista, BrazilHQ recorded Nov 1, 2026201-500225 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 1, 2026 · View company records in RevenueBase
5Exact matchManaus, BrazilHQ recorded Nov 1, 2026201-500217 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 1, 2026 · View company records in RevenueBase
6Exact matchBirigui, BrazilHQ recorded Nov 1, 2026501-1,000189 contacts →

Exact match

“Somos a ITB, uma empresa ligada no Futuro.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
7Exact matchMassaranduba, BrazilHQ recorded Nov 1, 2026501-1,000177 contacts →

Exact match

“A INDUSUL For 20 years in the global market for electrical and electronic products, Indusul is a Brazilian manufacturer of dry-type, single and three-phase transformers, with two…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
8Exact matchItu, BrazilHQ recorded Nov 1, 2026201-500146 contacts →

Exact match

“ISOLET is a company based out of Rod.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchCornelio Procopio, BrazilHQ recorded Nov 1, 2026501-1,000140 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 1, 2026 · View company records in RevenueBase
10Exact matchBlumenau, BrazilHQ recorded Nov 1, 2026501-1,000110 contacts →

Exact match

“A Blutrafos é referência em soluções elétricas sustentáveis e inovadoras para os setores de energia solar, construção civil e indústria.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
11Exact matchMassaranduba, BrazilHQ recorded Nov 1, 2026201-500104 contacts →

Exact match

“Estamos em transição, siga: Estamos no mercado desde 1996, produzindo com qualidade e confiabilidade transformadores, indutores, filtros e toda uma linha de produtos magnéticos a…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
12Exact matchVolta Redonda, BrazilHQ recorded Nov 1, 20261,001-5,00099 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 1, 2026 · View company records in RevenueBase
13Exact matchOsasco, BrazilHQ recorded Nov 1, 202651-20089 contacts →

Exact match

“A CTRLTECH está em atividade desde se dedicando à fabricação de equipamentos elétricos e eletromecânicos de conversão de energia para diversos segmentos.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchBelo Horizonte, BrazilHQ recorded Nov 1, 202651-20063 contacts →

Exact match

“SRA is a local electrical engineering Company having global vision with expertise in electrical, power electronic, automation and instrumentation systems focused in industrial…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchSão José Dos Pinhais, BrazilHQ recorded Nov 1, 202651-20058 contacts →

Exact match

“O grupo TOROID foi iniciado em meados dos anos 80, nos Estados Unidos, pelo engenheiro e mestre Gunnar Ennerfelt.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchSao Paulo, BrazilHQ recorded Nov 1, 202651-20052 contacts →

Exact match

“Com atuação no segmento de transmissão e distribuição de energia, realizamos: – Construção, manutenção e ampliação de subestações de energia elétrica – Montagem Eletromecânica –…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
17Exact matchMonte Mor, BrazilHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
18Exact matchSuzano, BrazilHQ recorded Nov 1, 202651-20039 contacts →

Exact match

“Com mais de 30 anos de expertise, a Polienge atua no desenvolvimento e fabricação de Transformadores, Indutores e Quadros e Painéis Elétricos, além de soluções especiais para…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchJundiaí, BrazilHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
20Exact matchPaulínia, BrazilHQ recorded Nov 1, 202651-20034 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 1, 2026 · View company records in RevenueBase
21Exact matchGoiânia, BrazilHQ recorded Nov 1, 202611-5032 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchCampinas, BrazilHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
23Exact matchIacanga, BrazilHQ recorded Nov 1, 20261,001-5,00027 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchMandirituba, BrazilHQ recorded Nov 1, 202651-20025 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 1, 2026 · View company records in RevenueBase
25Exact matchJaraguá Do Sul, BrazilHQ recorded Nov 1, 202651-20019 contacts →

Exact match

“Há mais de 20 anos no mercado, a Danco Powertec | Powertec é especialista em manutenção de motores elétricos até 2500CV, transformadores, bombas submersíveis, geradores e…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 256 special transformers suppliers based in Brazil

See the full list, filter by size, metro and specialty, and access 554 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Special transformers suppliers based in Brazil at a glance

As of Nov 1, 2026
11.3%Verified-email coverage
19.1Average contacts per company
11-50Median size (employees)
11.3%Largest-city concentration · Sao Paulo
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
99
51-200
56
201-500
11
501-1,000
5
1,001-5,000
5
5,001-10,000
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 256 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 “special transformers 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 554 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 1, 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 “special transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many special transformers suppliers are there based in Brazil?

RevenueBase identified 256 company matches for special transformers 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 special transformers suppliers?

Sao Paulo leads with 29 company records, followed by Blumenau (8) and Guarulhos (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 554 professional contacts with verified work emails tracked across these 256 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 1, 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.