Company lists · Data refreshed November 2026

Top 25 Transformer services based in Brazil

RevenueBase identified 868 company matches for transformer services associated with Brazil as of November 2026 and tracks 14,244 professional contacts across them, including 1,967 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for transformer 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 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
868Companies
14,244Contacts tracked
1,967Verified emails
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The 25 largest transformer services based in Brazil

Ranked by team size
Top 25 of 868 company matches for transformer services 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 matchBelo Horizonte, BrazilHQ recorded Nov 2, 20265,001-10,0001,929 contacts →

Exact match

“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchSarzedo, BrazilHQ recorded Nov 2, 2026501-1,000718 contacts →

Exact match

“The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 2, 20261,001-5,000664 contacts →

Exact match

“Desde 1978 atuando na execução de Instalações Elétricas e Hidráulicas, a Temon conseguiu firmar sua marca nesse mercado com participação em mais de obras por todo Brasil e…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchJaboticabal, BrazilHQ recorded Nov 2, 20261,001-5,000551 contacts →

Exact match

“B.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchItápolis, BrazilHQ recorded Nov 2, 20261,001-5,000404 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 2, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchItajubá, BrazilHQ recorded Nov 2, 2026201-500239 contacts →

Exact match

“Balteau Produtos Elétricos LTDA is a traditional manufacturer of Instrument Transformers and Metering Device Set in Itajubá-MG, Brazil.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact 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
10Exact 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
11Exact matchBirigui, BrazilHQ recorded Nov 2, 2026501-1,000195 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchMassaranduba, BrazilHQ recorded Nov 2, 2026501-1,000186 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 2, 2026 · View company records in RevenueBase
13Exact matchSao Paulo, BrazilHQ recorded Nov 2, 202651-200149 contacts →

Exact match

“A APS nasceu com o objetivo de ser uma verdadeira vitrine de produtos ABB para o mercado.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchBelo Horizonte, BrazilHQ recorded Nov 2, 2026501-1,000143 contacts →

Exact match

“Realizamos serviços de projeto, consultoria, construção, reforma e manutenção em rede aérea de distribuição rural e urbana, rede subterrânea de distribuição, linha de transmissão…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchBlumenau, BrazilHQ recorded Nov 2, 2026501-1,000125 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 2, 2026 · View company records in RevenueBase
17Exact matchJoinville, BrazilHQ recorded Nov 2, 2026201-500125 contacts →

Exact match

“Há mais de 40 anos colocamos toda a nossa energia, talento e conhecimento para contribuir com o negócio dos nossos clientes e com a qualidade de vida das pessoas.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchCuritiba, BrazilHQ recorded Nov 2, 202651-200110 contacts →

Exact match

“Fundada em por engenheiros com vasta experiência no setor energético e oriundos da COPEL (Companhia Paranaense de Energia), a MCQ ELETRO SERVICE LTDA tem o objetivo de oferecer ao…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchItupeva, BrazilHQ recorded Nov 2, 2026201-500106 contacts →

Exact match

“Construção de subestações Projetos Ensaios elétricos Comissionamento Manutenção Montagem de equipamentos Enchimento de gás SF6 Venda e aluguel de equipamentos Retrofit de…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchNiterói, BrazilHQ recorded Nov 2, 2026201-500104 contacts →

Exact match

“Nossa história iniciou-se em dezembro de A empresa formada por ex funcionários da CERJ ganhou notoriedade através da excelência na prestação de serviços para o setor elétrico no…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchOsasco, BrazilHQ recorded Nov 2, 202651-20091 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 2, 2026 · View company records in RevenueBase
23Exact matchCatu, BrazilHQ recorded Nov 2, 202651-20085 contacts →

Exact match

“Soluções completas em engenharia elétrica, automação, montagem de subestações, SPDA e painéis industriais.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchRibeirão Preto, BrazilHQ recorded Nov 2, 202651-20085 contacts →

Exact match

“A empresa Muradás, sediada em Ribeirão preto, iniciou suas atividades em 1996, sendo uma empresa prestadora de serviços principalmente em manutenção e montagem de turbinas a…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchAparecida De Goiânia, BrazilHQ recorded Nov 2, 202651-20080 contacts →

Exact match

“Obras civis e Montagens eletromecânicas em Subestações de até 500 kV, Linhas de Transmissão de até 230 kV, Usinas Termoelétricas, Hidrelétricas e Eólicas, testes/ensaios em relés…”

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

Showing 25 of 868 transformer services based in Brazil

See the full list, filter by size, metro and specialty, and access 1,967 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer services based in Brazil at a glance

As of Nov 2, 2026
13.8%Verified-email coverage
16.4Average contacts per company
11-50Median size (employees)
9.8%Largest-city concentration · Sao Paulo
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
357
11-50
337
51-200
119
201-500
19
501-1,000
10
1,001-5,000
8
5,001-10,000
2

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 868 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 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 1,967 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.

Transformer services by metro

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

How many transformer services are there based in Brazil?

RevenueBase identified 868 company matches for transformer 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?

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

Which city has the most transformer services?

Sao Paulo leads with 85 company records, followed by Guarulhos (25) and Curitiba (23).

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 1,967 professional contacts with verified work emails tracked across these 868 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.