Company lists · Data refreshed November 2026
Top 21 Nuclear energy contractors based in Brazil
RevenueBase identified 67 company matches for nuclear energy contractors associated with Brazil as of November 2026 and tracks 7,847 professional contacts across them, including 1,495 with verified work emails. Rio De Janeiro is the largest hub.
This list covers company matches for nuclear energy contractors associated with Brazil, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 21 largest nuclear energy contractors based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,973 contacts → | ||||
Exact match “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,508 contacts → | ||||
Exact match “A Onet Brasil, empresa do Grupo Onet, foi fundada em 1860, na França, e atua em nível global com mais de 80 mil colaboradores.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,029 contacts → | ||||
Exact match “A MPE ENGENHARIA E SERVIÇOS atua, em todo o território nacional, de forma inovadora, desenvolvendo soluções diferenciadas em projetos, construções, reformas, montagens…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 285 contacts → | ||||
Exact match “Fundada em 1992, a CEL ENERGIA é uma empresa brasileira especializada em soluções de engenharia elétrica, infraestrutura e construção, reconhecida pela excelência técnica…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 164 contacts → | ||||
Exact match “A Marte Engenharia Ltda é uma empresa de engenharia que oferece serviços de consultoria e projetos de engenharia nas áreas de geração, transmissão e distribuição de energia…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 160 contacts → | ||||
Exact match “A ULTRA ENERGIA LTDA é uma empresa de obras e serviços com atuação nos segmentos de Engenharia Elétrica, Eletrônica, Telecomunicações e Civil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 110 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 6, 2026 · View company records in RevenueBase | |||||
| 8 | 107 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 6, 2026 · View company records in RevenueBase | |||||
| 9 | 70 contacts → | ||||
Exact match “Somos uma empresa de serviços de engenharia elétrica, com grande experiência em usinas hidrelétricas, termoelétricas, parques eólicos e subestações de transmissão e distribuição…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 50 contacts → | ||||
Exact match “FIGENER is an engineering and consulting company, developing highly specialized projects in the fields of Power Generation, Energy Conservation, Combustion, Industrial Processes…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 50 contacts → | ||||
Exact match “A INTEREST Engenharia é uma empresa especializada em consultoria e projetos de engenharia nas áreas de transmissão e geração de energia elétrica de grandes empreendimentos em todo…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 43 contacts → | ||||
Exact match “Gestão de equipes nas atividades de atendimento de emergência, normalização, construção e manutenção de redes aéreas, corte, religação, ligações novas e podas de árvores; •…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 41 contacts → | ||||
Exact match “O GRUPO GERA ENERGIA foi fundado por profissionais experientes com mais de 30 anos no mercado na área de geração e distribuição de energia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 34 contacts → | ||||
Exact match “Fundada em março de 1986, a SPEC PLANEJAMENTO, ENGENHARIA, CONSULTORIA LTDA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 26 contacts → | ||||
Exact match “A MAKO SOLUÇÕES INDUSTRIAIS foi criada em 2001, a partir da necessidade do setor industrial local que se ressentia da falta de uma empresa séria e comprometida, que focasse na…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 15 contacts → | ||||
Exact match “Prestação de serviços nas diversas áreas de atuação de engenharia, com contratos em todo o Brasil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “A Cristal Engenharia atua a quase duas década na área de Engenharia de Sistemas de Transmissão e Distribuição de Energia e está capacitada para oferecer ao cliente uma solução…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match “A Voltec Soluções em Energia, empresa paraibana, atua no setor energético executando obras, projetos, serviços e consultoria, promovendo análises técnicas e soluções que melhor se…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Bioenergia Engineering is a services and tecnology enterprise that acts making Projects, Construction and Maintainence of equipments and systems for the Generation, Transmission…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “A AW Bridge é uma empresa que atua na prestação de serviços no mercado de engenharia e construção civil, tendo como objetivo propiciar soluções técnicas de excelência voltadas à…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Formada no início de 2011, a Fermium atua prestando serviços nas áreas nuclear, gerenciando projetos e oferecendo suporte no desenvolvimento da indústria nacional, tanto…” Recorded in the RevenueBase company graph · Nov 6, 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 “nuclear energy contractors”. 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 21 of 67 nuclear energy contractors based in Brazil
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Nuclear energy contractors based in Brazil at a glance
As of Nov 6, 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 67 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 “nuclear energy contractors” 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 1,495 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nuclear energy contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nuclear energy contractors are there based in Brazil?
RevenueBase identified 67 company matches for nuclear energy contractors 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?
Grupo RCS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most nuclear energy contractors?
Rio De Janeiro leads with 7 company records, followed by Sao Paulo (5) and Barueri (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,495 professional contacts with verified work emails tracked across these 67 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 67 nuclear energy contractors based in Brazil. Start with a free account, no credit card.
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Browse the directory
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
- Nuclear energy contractors based in Canada
- Nuclear energy contractors based in France
- Nuclear energy contractors based in Germany
- Nuclear energy contractors based in India
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Company intelligence · public preview
Top 21 nuclear energy contractors 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 67 matching company records for nuclear energy contractors based in Brazil, with 7,847 tracked contacts and 1,495 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 21 nuclear energy contractors 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 |  Grupo RCSrcstecnologia.com.brHQ: Brasilia, BrazilReported employees: 5,001-10,000 | Brasilia, Brazil | 5,001-10,000 | Exact match | 1,973 contacts → |
“A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Onet Brasilonet-brasil.com.brHQ: Barueri, BrazilReported employees: 10001+ | Barueri, Brazil | 10001+ | Exact match | 1,508 contacts → |
“A Onet Brasil, empresa do Grupo Onet, foi fundada em 1860, na França, e atua em nível global com mais de 80 mil colaboradores.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  MPE Engenharia E Serviços S.Ampeengenharia.com.brHQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 1,029 contacts → |
“A MPE ENGENHARIA E SERVIÇOS atua, em todo o território nacional, de forma inovadora, desenvolvendo soluções diferenciadas em projetos, construções, reformas, montagens…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  CEL Engenharia Celenergiacel.eng.brHQ: Goiânia, BrazilReported employees: 1,001-5,000 | Goiânia, Brazil | 1,001-5,000 | Exact match | 285 contacts → |
“Fundada em 1992, a CEL ENERGIA é uma empresa brasileira especializada em soluções de engenharia elétrica, infraestrutura e construção, reconhecida pela excelência técnica…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Marte Engenharia Ltdamarteengenharia.com.brHQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 164 contacts → |
“A Marte Engenharia Ltda é uma empresa de engenharia que oferece serviços de consultoria e projetos de engenharia nas áreas de geração, transmissão e distribuição de energia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ultra Engenharia E Construções Ltdaultra.eng.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 160 contacts → |
“A ULTRA ENERGIA LTDA é uma empresa de obras e serviços com atuação nos segmentos de Engenharia Elétrica, Eletrônica, Telecomunicações e Civil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MCQ Eletro Servicemcq.com.brHQ: Curitiba, BrazilReported employees: 51-200 | Curitiba, Brazil | 51-200 | Exact match | 110 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  MP Trafos Engenhariamptrafos.com.brHQ: Volta Redonda, BrazilReported employees: 1,001-5,000 | Volta Redonda, Brazil | 1,001-5,000 | Exact match | 107 contacts → |
“A MP Trafos Engenharia nasceu em 1993, na cidade de Pindamonhangaba, para atender a crescente demanda por manutenção industrial especializada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Smart Electric Engenharia E Sistemas Ltdasmart-electric.com.brHQ: Guarulhos, BrazilReported employees: 51-200 | Guarulhos, Brazil | 51-200 | Exact match | 70 contacts → |
“Somos uma empresa de serviços de engenharia elétrica, com grande experiência em usinas hidrelétricas, termoelétricas, parques eólicos e subestações de transmissão e distribuição…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Figenerfigener.com.brHQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 50 contacts → |
“FIGENER is an engineering and consulting company, developing highly specialized projects in the fields of Power Generation, Energy Conservation, Combustion, Industrial Processes…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Interest Engenhariainterest.com.brHQ: Recife, BrazilReported employees: 51-200 | Recife, Brazil | 51-200 | Exact match | 50 contacts → |
“A INTEREST Engenharia é uma empresa especializada em consultoria e projetos de engenharia nas áreas de transmissão e geração de energia elétrica de grandes empreendimentos em todo…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Inovee Energia E Soluçõesinovee.com.brHQ: Icaraí, BrazilReported employees: 51-200 | Icaraí, Brazil | 51-200 | Exact match | 43 contacts → |
“Gestão de equipes nas atividades de atendimento de emergência, normalização, construção e manutenção de redes aéreas, corte, religação, ligações novas e podas de árvores; •…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Grupo Gera Energiagrupogeraenergia.com.brHQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 41 contacts → |
“O GRUPO GERA ENERGIA foi fundado por profissionais experientes com mais de 30 anos no mercado na área de geração e distribuição de energia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Spec Engenhariaspec.eng.brHQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 34 contacts → |
“Fundada em março de 1986, a SPEC PLANEJAMENTO, ENGENHARIA, CONSULTORIA LTDA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mako Soluções Industriaismako.ind.brHQ: Fortaleza, BrazilReported employees: 11-50 | Fortaleza, Brazil | 11-50 | Exact match | 26 contacts → |
“A MAKO SOLUÇÕES INDUSTRIAIS foi criada em 2001, a partir da necessidade do setor industrial local que se ressentia da falta de uma empresa séria e comprometida, que focasse na…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | INAinaservicos.com.br HQ: Tuiuti, BrazilReported employees: 51-200 | Tuiuti, Brazil | 51-200 | Exact match | 15 contacts → |
“Prestação de serviços nas diversas áreas de atuação de engenharia, com contratos em todo o Brasil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cristal Consultoria E Projetoscristal.eng.brHQ: Goiânia, BrazilReported employees: 11-50 | Goiânia, Brazil | 11-50 | Exact match | 12 contacts → |
“A Cristal Engenharia atua a quase duas década na área de Engenharia de Sistemas de Transmissão e Distribuição de Energia e está capacitada para oferecer ao cliente uma solução…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Voltec Soluções EM Energiavoltecenergia.com HQ: Mamanguape, BrazilReported employees: 11-50 | Mamanguape, Brazil | 11-50 | Exact match | 11 contacts → |
“A Voltec Soluções em Energia, empresa paraibana, atua no setor energético executando obras, projetos, serviços e consultoria, promovendo análises técnicas e soluções que melhor se…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bioenergiabioenergiaengenharia.com.br HQ: Sao Goncalo Do Amarante, BrazilReported employees: 11-50 | Sao Goncalo Do Amarante, Brazil | 11-50 | Exact match | 4 contacts → |
“Bioenergia Engineering is a services and tecnology enterprise that acts making Projects, Construction and Maintainence of equipments and systems for the Generation, Transmission…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  AW Bridge Gestão E Engenhariaawbridge.com.brHQ: Uberlândia, BrazilReported employees: 11-50 | Uberlândia, Brazil | 11-50 | Exact match | 2 contacts → |
“A AW Bridge é uma empresa que atua na prestação de serviços no mercado de engenharia e construção civil, tendo como objetivo propiciar soluções técnicas de excelência voltadas à…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Fermium Tecnologia Nuclearfermium.com.brHQ: São Paulo, BrazilReported employees: 1-10 | São Paulo, Brazil | 1-10 | Exact match | 1 contacts → |
“Formada no início de 2011, a Fermium atua prestando serviços nas áreas nuclear, gerenciando projetos e oferecendo suporte no desenvolvimento da indústria nacional, tanto…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 67 company matches
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Nuclear energy contractors: dataset insights
November 6, 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
67 records in the displayed employee bands.
0 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 67 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 6, 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 nuclear energy contractors?
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 nuclear energy contractors did RevenueBase find based in Brazil?
The saved snapshot records 67 matching company records, 7,847 tracked contacts and 1,495 verified emails. The public preview displays 21 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 6, 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
Nuclear energy contractors by geography
- Nuclear energy contractors based in Canada
- Nuclear energy contractors based in France
- Nuclear energy contractors based in Germany
- Nuclear energy contractors based in India
- Nuclear energy contractors based in Italy
- Nuclear energy contractors based in Spain
- Nuclear energy contractors based in Türkiye
- Nuclear energy contractors based in the United Arab Emirates
- Nuclear energy contractors based in the United Kingdom
- Nuclear energy contractors based in the United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 21 nuclear energy contractors based in Brazil. Snapshot: November 6, 2026. https://revenuebase.ai/companies/nuclear-energy-contractors/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
- Nuclear energy contractors based in Canada
- Nuclear energy contractors based in France
- Nuclear energy contractors based in Germany
- Nuclear energy contractors based in India
- Nuclear energy contractors based in Italy
- Nuclear energy contractors based in Spain
Company intelligence · public preview
Top 21 nuclear energy contractors based in Brazil
RevenueBase records 67 matching company records for nuclear energy contractors based in Brazil, with 7,847 tracked contacts and 1,495 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 21 nuclear energy contractors 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 | Grupo RCSrcstecnologia.com.br HQ: Brasilia, BrazilReported employees: 5,001-10,000 | Brasilia, Brazil | 5,001-10,000 | Exact match | 1,973 contacts → |
“A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Onet Brasilonet-brasil.com.br HQ: Barueri, BrazilReported employees: 10001+ | Barueri, Brazil | 10001+ | Exact match | 1,508 contacts → |
“A Onet Brasil, empresa do Grupo Onet, foi fundada em 1860, na França, e atua em nível global com mais de 80 mil colaboradores.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | MPE Engenharia E Serviços S.Ampeengenharia.com.br HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 1,029 contacts → |
“A MPE ENGENHARIA E SERVIÇOS atua, em todo o território nacional, de forma inovadora, desenvolvendo soluções diferenciadas em projetos, construções, reformas, montagens…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | CEL Engenharia Celenergiacel.eng.br HQ: Goiânia, BrazilReported employees: 1,001-5,000 | Goiânia, Brazil | 1,001-5,000 | Exact match | 285 contacts → |
“Fundada em 1992, a CEL ENERGIA é uma empresa brasileira especializada em soluções de engenharia elétrica, infraestrutura e construção, reconhecida pela excelência técnica…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Marte Engenharia Ltdamarteengenharia.com.br HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 164 contacts → |
“A Marte Engenharia Ltda é uma empresa de engenharia que oferece serviços de consultoria e projetos de engenharia nas áreas de geração, transmissão e distribuição de energia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ultra Engenharia E Construções Ltdaultra.eng.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 160 contacts → |
“A ULTRA ENERGIA LTDA é uma empresa de obras e serviços com atuação nos segmentos de Engenharia Elétrica, Eletrônica, Telecomunicações e Civil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MCQ Eletro Servicemcq.com.br HQ: Curitiba, BrazilReported employees: 51-200 | Curitiba, Brazil | 51-200 | Exact match | 110 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | MP Trafos Engenhariamptrafos.com.br HQ: Volta Redonda, BrazilReported employees: 1,001-5,000 | Volta Redonda, Brazil | 1,001-5,000 | Exact match | 107 contacts → |
“A MP Trafos Engenharia nasceu em 1993, na cidade de Pindamonhangaba, para atender a crescente demanda por manutenção industrial especializada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Smart Electric Engenharia E Sistemas Ltdasmart-electric.com.br HQ: Guarulhos, BrazilReported employees: 51-200 | Guarulhos, Brazil | 51-200 | Exact match | 70 contacts → |
“Somos uma empresa de serviços de engenharia elétrica, com grande experiência em usinas hidrelétricas, termoelétricas, parques eólicos e subestações de transmissão e distribuição…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Figenerfigener.com.br HQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 50 contacts → |
“FIGENER is an engineering and consulting company, developing highly specialized projects in the fields of Power Generation, Energy Conservation, Combustion, Industrial Processes…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Interest Engenhariainterest.com.br HQ: Recife, BrazilReported employees: 51-200 | Recife, Brazil | 51-200 | Exact match | 50 contacts → |
“A INTEREST Engenharia é uma empresa especializada em consultoria e projetos de engenharia nas áreas de transmissão e geração de energia elétrica de grandes empreendimentos em todo…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Inovee Energia E Soluçõesinovee.com.br HQ: Icaraí, BrazilReported employees: 51-200 | Icaraí, Brazil | 51-200 | Exact match | 43 contacts → |
“Gestão de equipes nas atividades de atendimento de emergência, normalização, construção e manutenção de redes aéreas, corte, religação, ligações novas e podas de árvores; •…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Grupo Gera Energiagrupogeraenergia.com.br HQ: Sao Paulo, BrazilReported employees: 11-50 | Sao Paulo, Brazil | 11-50 | Exact match | 41 contacts → |
“O GRUPO GERA ENERGIA foi fundado por profissionais experientes com mais de 30 anos no mercado na área de geração e distribuição de energia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Spec Engenhariaspec.eng.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 34 contacts → |
“Fundada em março de 1986, a SPEC PLANEJAMENTO, ENGENHARIA, CONSULTORIA LTDA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mako Soluções Industriaismako.ind.br HQ: Fortaleza, BrazilReported employees: 11-50 | Fortaleza, Brazil | 11-50 | Exact match | 26 contacts → |
“A MAKO SOLUÇÕES INDUSTRIAIS foi criada em 2001, a partir da necessidade do setor industrial local que se ressentia da falta de uma empresa séria e comprometida, que focasse na…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | INAinaservicos.com.br HQ: Tuiuti, BrazilReported employees: 51-200 | Tuiuti, Brazil | 51-200 | Exact match | 15 contacts → |
“Prestação de serviços nas diversas áreas de atuação de engenharia, com contratos em todo o Brasil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cristal Consultoria E Projetoscristal.eng.br HQ: Goiânia, BrazilReported employees: 11-50 | Goiânia, Brazil | 11-50 | Exact match | 12 contacts → |
“A Cristal Engenharia atua a quase duas década na área de Engenharia de Sistemas de Transmissão e Distribuição de Energia e está capacitada para oferecer ao cliente uma solução…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Voltec Soluções EM Energiavoltecenergia.com HQ: Mamanguape, BrazilReported employees: 11-50 | Mamanguape, Brazil | 11-50 | Exact match | 11 contacts → |
“A Voltec Soluções em Energia, empresa paraibana, atua no setor energético executando obras, projetos, serviços e consultoria, promovendo análises técnicas e soluções que melhor se…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bioenergiabioenergiaengenharia.com.br HQ: Sao Goncalo Do Amarante, BrazilReported employees: 11-50 | Sao Goncalo Do Amarante, Brazil | 11-50 | Exact match | 4 contacts → |
“Bioenergia Engineering is a services and tecnology enterprise that acts making Projects, Construction and Maintainence of equipments and systems for the Generation, Transmission…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | AW Bridge Gestão E Engenhariaawbridge.com.br HQ: Uberlândia, BrazilReported employees: 11-50 | Uberlândia, Brazil | 11-50 | Exact match | 2 contacts → |
“A AW Bridge é uma empresa que atua na prestação de serviços no mercado de engenharia e construção civil, tendo como objetivo propiciar soluções técnicas de excelência voltadas à…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fermium Tecnologia Nuclearfermium.com.br HQ: São Paulo, BrazilReported employees: 1-10 | São Paulo, Brazil | 1-10 | Exact match | 1 contacts → |
“Formada no início de 2011, a Fermium atua prestando serviços nas áreas nuclear, gerenciando projetos e oferecendo suporte no desenvolvimento da indústria nacional, tanto…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Nuclear energy contractors: dataset insights
November 6, 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
67 records in the displayed employee bands.
0 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 67 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 6, 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 nuclear energy contractors?
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 nuclear energy contractors did RevenueBase find based in Brazil?
The saved snapshot records 67 matching company records, 7,847 tracked contacts and 1,495 verified emails. The public preview displays 21 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 6, 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 21 nuclear energy contractors based in Brazil. Snapshot: November 6, 2026. https://revenuebase.ai/companies/nuclear-energy-contractors/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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