Company lists · Data refreshed November 2026
Top 25 Oil cooled transformer manufacturers based in Brazil
RevenueBase identified 147 company matches for oil cooled transformer manufacturers associated with Brazil as of November 2026 and tracks 3,795 professional contacts across them, including 342 with verified work emails. Sao Paulo is the largest hub.
This list covers company matches for oil cooled transformer manufacturers 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 4, 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.
The 25 largest oil cooled transformer manufacturers based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 404 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 4, 2026 · View company records in RevenueBase | |||||
| 2 | 274 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 4, 2026 · View company records in RevenueBase | |||||
| 3 | 230 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 4, 2026 · View company records in RevenueBase | |||||
| 4 | 229 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 4, 2026 · View company records in RevenueBase | |||||
| 5 | 195 contacts → | ||||
Exact match “Somos a ITB, uma empresa ligada no Futuro.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 6 | 186 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 4, 2026 · View company records in RevenueBase | |||||
| 7 | 153 contacts → | ||||
Exact match “ISOLET is a company based out of Rod.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 8 | 141 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 4, 2026 · View company records in RevenueBase | |||||
| 9 | 43 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 4, 2026 · View company records in RevenueBase | |||||
| 10 | 40 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 4, 2026 · View company records in RevenueBase | |||||
| 11 | 37 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 4, 2026 · View company records in RevenueBase | |||||
| 12 | 34 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 4, 2026 · View company records in RevenueBase | |||||
| 13 | 31 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 4, 2026 · View company records in RevenueBase | |||||
| 14 | 26 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 4, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “A Liquitec, fundada em 2016, é uma empresa empenhada em oferecer confiabilidade aos transformadores de energia.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 16 | 18 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 17 contacts → | ||||
Exact match “A Entran Indústria de Equipamentos foi fundada em 1988 na cidade de Curitiba, Paraná.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 14 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 4, 2026 · View company records in RevenueBase | |||||
| 19 | 14 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 8 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 4, 2026 · View company records in RevenueBase | |||||
| 21 | 7 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 4, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “A Imec Isolantes foi fundada em 1998 com sede própria, localizada no município de Santana de Parnaíba - São Paulo, em uma planta de 2.850mts, com capacidade para atender todo o…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “Consultoria e Serviços de Engenharia para Cálculo e Projeto de Transformadores e Reatores e nos fenômenos envolvidos na operação destes equipamentos no Sistema Elétrico Nacional.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “We specialize in the operation, maintenance, and overhaul of electrical equipment, with a focus on voltage regulators and transformers.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “oil cooled transformer manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 147 oil cooled transformer manufacturers based in Brazil
See the full list, filter by size, metro and specialty, and access 342 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil cooled transformer manufacturers based in Brazil at a glance
As of Nov 4, 2026Companies by employee count
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 147 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 “oil cooled transformer manufacturers” 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 342 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 4, 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 “oil cooled transformer manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil cooled transformer manufacturers are there based in Brazil?
RevenueBase identified 147 company matches for oil cooled transformer manufacturers 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?
Itaipu Transformadores tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most oil cooled transformer manufacturers?
Sao Paulo leads with 15 company records, followed by Jundiai (8) and Blumenau (6).
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 342 professional contacts with verified work emails tracked across these 147 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 147 oil cooled transformer manufacturers based in Brazil. Start with a free account, no credit card.
Download this list →Related lists
Oil cooled transformer manufacturers by geography
- Oil cooled transformer manufacturers based in Jaipur, India
- Oil cooled transformer manufacturers based in Vadodara, India
- Oil cooled transformer manufacturers based in Australia
- Oil cooled transformer manufacturers based in Canada
- Oil cooled transformer manufacturers based in France
- Oil cooled transformer manufacturers based in Germany
- Oil cooled transformer manufacturers based in India
- Oil cooled transformer manufacturers based in Italy
- Oil cooled transformer manufacturers based in Mexico
- Oil cooled transformer manufacturers based in South Africa
- Oil cooled transformer manufacturers based in Spain
- Oil cooled transformer manufacturers based in Türkiye
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil cooled transformer manufacturers based in Jaipur, India
- Oil cooled transformer manufacturers based in Vadodara, India
- Oil cooled transformer manufacturers based in Australia
- Oil cooled transformer manufacturers based in Canada
- Oil cooled transformer manufacturers based in France
- Oil cooled transformer manufacturers based in Germany
Company intelligence · public preview
Top 25 oil cooled transformer manufacturers based in Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 147 matching company records for oil cooled transformer manufacturers based in Brazil, with 3,795 tracked contacts and 342 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil cooled transformer manufacturers based in Brazil
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Itaipu Transformadoresitaiputransformadores.com.br HQ: Itápolis, BrazilReported employees: 1,001-5,000 | Itápolis, Brazil | 1,001-5,000 | Exact match | 404 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Trael Transformadores Elétricos Ltdatrael.com.br HQ: Cuiabá, BrazilReported employees: 1,001-5,000 | Cuiabá, Brazil | 1,001-5,000 | Exact match | 274 contacts → |
“A TRAEL iniciou suas atividades em 1992 com a fabricação de transformadores de distribuição, força e especiais.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ITAMitam.com.br HQ: Manaus, BrazilReported employees: 201-500 | Manaus, Brazil | 201-500 | Exact match | 230 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TDM Service & Solutionstdm.energyHQ: Bragança Paulista, BrazilReported employees: 201-500 | Bragança Paulista, Brazil | 201-500 | Exact match | 229 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ITB Equipamentos Elétricositb.ind.br HQ: Birigui, BrazilReported employees: 501-1,000 | Birigui, Brazil | 501-1,000 | Exact match | 195 contacts → |
“Somos a ITB, uma empresa ligada no Futuro.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tamura Brasiltamurabrasil.com HQ: Massaranduba, BrazilReported employees: 501-1,000 | Massaranduba, Brazil | 501-1,000 | Exact match | 186 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Isoletisolet.com.br HQ: Itu, BrazilReported employees: 201-500 | Itu, Brazil | 201-500 | Exact match | 153 contacts → |
“ISOLET is a company based out of Rod.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Comtrafocomtrafo.com.brHQ: Cornelio Procopio, BrazilReported employees: 501-1,000 | Cornelio Procopio, Brazil | 501-1,000 | Exact match | 141 contacts → |
“A COMTRAFO atua desde 1994 produzindo transformadores de distribuição e força para o mercado nacional e internacional.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Brastrafo DO Brasil Ltdabrastrafo.com.br HQ: Monte Mor, BrazilReported employees: 51-200 | Monte Mor, Brazil | 51-200 | Exact match | 43 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Polienge Soluções EM Energiapolienge.com.brHQ: Suzano, BrazilReported employees: 51-200 | Suzano, Brazil | 51-200 | Exact match | 40 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Elos Eletrotécnicaelos.com.br HQ: Curitiba, BrazilReported employees: 11-50 | Curitiba, Brazil | 11-50 | Exact match | 37 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Transformadores Jundiaítransformadoresjundiai.com.br HQ: Jundiaí, BrazilReported employees: 51-200 | Jundiaí, Brazil | 51-200 | Exact match | 34 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Trafocare Ltdatrafocare.com.br HQ: Campinas, BrazilReported employees: 11-50 | Campinas, Brazil | 11-50 | Exact match | 31 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DAX Energy Equipamentos E Sistemasdax.energy HQ: Mandirituba, BrazilReported employees: 51-200 | Mandirituba, Brazil | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Liquitec Transformadoresliquitec.com.br HQ: Araraquara, BrazilReported employees: 11-50 | Araraquara, Brazil | 11-50 | Exact match | 18 contacts → |
“A Liquitec, fundada em 2016, é uma empresa empenhada em oferecer confiabilidade aos transformadores de energia.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SKY Engenhariaskyengenharia.com.br HQ: Lauro De Freitas, BrazilReported employees: 51-200 | Lauro De Freitas, Brazil | 51-200 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Entranentran.com.br HQ: Pinhais, BrazilReported employees: 11-50 | Pinhais, Brazil | 11-50 | Exact match | 17 contacts → |
“A Entran Indústria de Equipamentos foi fundada em 1988 na cidade de Curitiba, Paraná.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mgtrafosmgtrafos.com.br HQ: São Joaquim De Bicas, BrazilReported employees: 11-50 | São Joaquim De Bicas, Brazil | 11-50 | Exact match | 14 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RVB Isolantes Para Transformadoresrvbisolantes.com.br HQ: Blumenau, BrazilReported employees: 11-50 | Blumenau, Brazil | 11-50 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Riotraforiotrafo.com.br HQ: São José Do Rio Pardo, BrazilReported employees: 51-200 | São José Do Rio Pardo, Brazil | 51-200 | Exact match | 8 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bralux Transformadoresbraluxtransformadores.com HQ: Mogi Mirim, BrazilReported employees: 11-50 | Mogi Mirim, Brazil | 11-50 | Exact match | 7 contacts → |
“A Bralux Transformadores é especializada na venda, reforma e locação de transformadores e equipamentos elétricos para subestações.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Imec Isolantes Ltdaimecisolantes.com.br HQ: Santana De Parnaíba, BrazilReported employees: 11-50 | Santana De Parnaíba, Brazil | 11-50 | Exact match | 7 contacts → |
“A Imec Isolantes foi fundada em 1998 com sede própria, localizada no município de Santana de Parnaíba - São Paulo, em uma planta de 2.850mts, com capacidade para atender todo o…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Trinsetrinse.netHQ: Blumenau, BrazilReported employees: 1-10 | Blumenau, Brazil | 1-10 | Exact match | 6 contacts → |
“Consultoria e Serviços de Engenharia para Cálculo e Projeto de Transformadores e Reatores e nos fenômenos envolvidos na operação destes equipamentos no Sistema Elétrico Nacional.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Montrafo Servicos EM Transformadoresmontrafo.com.br HQ: Pinhais, BrazilReported employees: 51-200 | Pinhais, Brazil | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Nexsia Soluçõesnexsia.com.br HQ: Birigui, BrazilReported employees: 1-10 | Birigui, Brazil | 1-10 | Exact match | 4 contacts → |
“We specialize in the operation, maintenance, and overhaul of electrical equipment, with a focus on voltage regulators and transformers.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 147 company matches
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Oil cooled transformer manufacturers: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
143 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 147 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for oil cooled transformer manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil cooled transformer manufacturers did RevenueBase find based in Brazil?
The saved snapshot records 147 matching company records, 3,795 tracked contacts and 342 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Oil cooled transformer manufacturers by geography
- Oil cooled transformer manufacturers based in Jaipur, India
- Oil cooled transformer manufacturers based in Vadodara, India
- Oil cooled transformer manufacturers based in Australia
- Oil cooled transformer manufacturers based in Canada
- Oil cooled transformer manufacturers based in France
- Oil cooled transformer manufacturers based in Germany
- Oil cooled transformer manufacturers based in India
- Oil cooled transformer manufacturers based in Italy
- Oil cooled transformer manufacturers based in Mexico
- Oil cooled transformer manufacturers based in South Africa
- Oil cooled transformer manufacturers based in Spain
- Oil cooled transformer manufacturers based in Türkiye
Cite this list
RevenueBase Data Team. Top 25 oil cooled transformer manufacturers based in Brazil. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-cooled-transformer-manufacturers/brazil.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil cooled transformer manufacturers based in Jaipur, India
- Oil cooled transformer manufacturers based in Vadodara, India
- Oil cooled transformer manufacturers based in Australia
- Oil cooled transformer manufacturers based in Canada
- Oil cooled transformer manufacturers based in France
- Oil cooled transformer manufacturers based in Germany
Company intelligence · public preview
Top 25 oil cooled transformer manufacturers based in Brazil
RevenueBase records 147 matching company records for oil cooled transformer manufacturers based in Brazil, with 3,795 tracked contacts and 342 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil cooled transformer manufacturers based in Brazil
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Itaipu Transformadoresitaiputransformadores.com.br HQ: Itápolis, BrazilReported employees: 1,001-5,000 | Itápolis, Brazil | 1,001-5,000 | Exact match | 404 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Trael Transformadores Elétricos Ltdatrael.com.br HQ: Cuiabá, BrazilReported employees: 1,001-5,000 | Cuiabá, Brazil | 1,001-5,000 | Exact match | 274 contacts → |
“A TRAEL iniciou suas atividades em 1992 com a fabricação de transformadores de distribuição, força e especiais.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ITAMitam.com.br HQ: Manaus, BrazilReported employees: 201-500 | Manaus, Brazil | 201-500 | Exact match | 230 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TDM Service & Solutionstdm.energy HQ: Bragança Paulista, BrazilReported employees: 201-500 | Bragança Paulista, Brazil | 201-500 | Exact match | 229 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ITB Equipamentos Elétricositb.ind.br HQ: Birigui, BrazilReported employees: 501-1,000 | Birigui, Brazil | 501-1,000 | Exact match | 195 contacts → |
“Somos a ITB, uma empresa ligada no Futuro.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tamura Brasiltamurabrasil.com HQ: Massaranduba, BrazilReported employees: 501-1,000 | Massaranduba, Brazil | 501-1,000 | Exact match | 186 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Isoletisolet.com.br HQ: Itu, BrazilReported employees: 201-500 | Itu, Brazil | 201-500 | Exact match | 153 contacts → |
“ISOLET is a company based out of Rod.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Comtrafocomtrafo.com.br HQ: Cornelio Procopio, BrazilReported employees: 501-1,000 | Cornelio Procopio, Brazil | 501-1,000 | Exact match | 141 contacts → |
“A COMTRAFO atua desde 1994 produzindo transformadores de distribuição e força para o mercado nacional e internacional.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Brastrafo DO Brasil Ltdabrastrafo.com.br HQ: Monte Mor, BrazilReported employees: 51-200 | Monte Mor, Brazil | 51-200 | Exact match | 43 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Polienge Soluções EM Energiapolienge.com.br HQ: Suzano, BrazilReported employees: 51-200 | Suzano, Brazil | 51-200 | Exact match | 40 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Elos Eletrotécnicaelos.com.br HQ: Curitiba, BrazilReported employees: 11-50 | Curitiba, Brazil | 11-50 | Exact match | 37 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Transformadores Jundiaítransformadoresjundiai.com.br HQ: Jundiaí, BrazilReported employees: 51-200 | Jundiaí, Brazil | 51-200 | Exact match | 34 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Trafocare Ltdatrafocare.com.br HQ: Campinas, BrazilReported employees: 11-50 | Campinas, Brazil | 11-50 | Exact match | 31 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DAX Energy Equipamentos E Sistemasdax.energy HQ: Mandirituba, BrazilReported employees: 51-200 | Mandirituba, Brazil | 51-200 | Exact match | 26 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Liquitec Transformadoresliquitec.com.br HQ: Araraquara, BrazilReported employees: 11-50 | Araraquara, Brazil | 11-50 | Exact match | 18 contacts → |
“A Liquitec, fundada em 2016, é uma empresa empenhada em oferecer confiabilidade aos transformadores de energia.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SKY Engenhariaskyengenharia.com.br HQ: Lauro De Freitas, BrazilReported employees: 51-200 | Lauro De Freitas, Brazil | 51-200 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Entranentran.com.br HQ: Pinhais, BrazilReported employees: 11-50 | Pinhais, Brazil | 11-50 | Exact match | 17 contacts → |
“A Entran Indústria de Equipamentos foi fundada em 1988 na cidade de Curitiba, Paraná.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mgtrafosmgtrafos.com.br HQ: São Joaquim De Bicas, BrazilReported employees: 11-50 | São Joaquim De Bicas, Brazil | 11-50 | Exact match | 14 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RVB Isolantes Para Transformadoresrvbisolantes.com.br HQ: Blumenau, BrazilReported employees: 11-50 | Blumenau, Brazil | 11-50 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Riotraforiotrafo.com.br HQ: São José Do Rio Pardo, BrazilReported employees: 51-200 | São José Do Rio Pardo, Brazil | 51-200 | Exact match | 8 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bralux Transformadoresbraluxtransformadores.com HQ: Mogi Mirim, BrazilReported employees: 11-50 | Mogi Mirim, Brazil | 11-50 | Exact match | 7 contacts → |
“A Bralux Transformadores é especializada na venda, reforma e locação de transformadores e equipamentos elétricos para subestações.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Imec Isolantes Ltdaimecisolantes.com.br HQ: Santana De Parnaíba, BrazilReported employees: 11-50 | Santana De Parnaíba, Brazil | 11-50 | Exact match | 7 contacts → |
“A Imec Isolantes foi fundada em 1998 com sede própria, localizada no município de Santana de Parnaíba - São Paulo, em uma planta de 2.850mts, com capacidade para atender todo o…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Trinsetrinse.net HQ: Blumenau, BrazilReported employees: 1-10 | Blumenau, Brazil | 1-10 | Exact match | 6 contacts → |
“Consultoria e Serviços de Engenharia para Cálculo e Projeto de Transformadores e Reatores e nos fenômenos envolvidos na operação destes equipamentos no Sistema Elétrico Nacional.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Montrafo Servicos EM Transformadoresmontrafo.com.br HQ: Pinhais, BrazilReported employees: 51-200 | Pinhais, Brazil | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Nexsia Soluçõesnexsia.com.br HQ: Birigui, BrazilReported employees: 1-10 | Birigui, Brazil | 1-10 | Exact match | 4 contacts → |
“We specialize in the operation, maintenance, and overhaul of electrical equipment, with a focus on voltage regulators and transformers.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 147 company matches
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Oil cooled transformer manufacturers: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
143 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 147 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for oil cooled transformer manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil cooled transformer manufacturers did RevenueBase find based in Brazil?
The saved snapshot records 147 matching company records, 3,795 tracked contacts and 342 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil cooled transformer manufacturers based in Brazil. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-cooled-transformer-manufacturers/brazil.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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