Company lists · Data refreshed November 2026

Top 25 Electrical system commissioning companies based in Brazil

RevenueBase identified 1,578 company matches for electrical system commissioning companies associated with Brazil as of November 2026 and tracks 17,914 professional contacts across them, including 1,902 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for electrical system commissioning companies 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,578Companies
17,914Contacts tracked
1,902Verified emails
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The 25 largest electrical system commissioning companies based in Brazil

Ranked by team size
Top 25 of 1,578 company matches for electrical system commissioning companies based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 20265,001-10,0001,929 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000664 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000559 contacts →

Exact match

“Since 1975, GTEL has been providing services regarding assembly, installation and maintenance in the electrical, mechanical, utilities and fire protection areas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAreal, BrazilHQ recorded Nov 6, 2026501-1,000509 contacts →

Exact match

“A STN EMPREENDIMENTOS E CONSTRUÇÕES atua há mais de 30 anos nas áreas de engenharia elétrica, de eletromecânica e de engenharia civil em todo território nacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026501-1,000504 contacts →

Exact match

“Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSerra, BrazilHQ recorded Nov 6, 2026501-1,000443 contacts →

Exact match

“CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCuritiba, BrazilHQ recorded Nov 6, 20261,001-5,000406 contacts →

Exact match

“Fundada em 1990, a Grantel Engenharia possui anos de experiência em soluções para construção de subestações, desde os estudos de engenharia, projeto básico e executivo, execução…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBauru, BrazilHQ recorded Nov 6, 2026501-1,000348 contacts →

Exact match

“Atuando em subestações de baixa, média, alta e extra-alta tensão, a IBL realiza obras de 13,8 a 550 kV em: Obras civis, eletromecânicas e elétricas para a construção, ampliação e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000273 contacts →

Exact match

“A SEPCO1 Construções do Brasil é integrante do grupo Powerchina, estatal chinesa, e encontra-se em atuação no Brasil há mais de dez anos, com mais de 2500 funcionários em seu…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPacatuba, BrazilHQ recorded Nov 6, 2026201-500264 contacts →

Exact match

“Fundada em 2012, a MS SERVIÇOS é uma empresa brasileira, dedicada a serviços de engenharia elétrica de alta qualidade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBragança Paulista, BrazilHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026501-1,000160 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
13Exact matchFlorianópolis, BrazilHQ recorded Nov 6, 2026201-500155 contacts →

Exact match

“Conectando energia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“No mercado desde 2007, a Novatec trabalha diretamente com empresas da Construção Civil, Indústrias e Incorporadoras oferecendo serviços de Instalações Elétricas e Hidráulicas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchJoinville, BrazilHQ recorded Nov 6, 2026201-500125 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJoinville, BrazilHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“ELECTRICAL ENGINEERING: Commercial and industrial projects and consultancy serving our customers with excellence, agility and high level of quality; ELECTRICAL INSTALLATIONS AND…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“Com 25 anos de atuação no mercado, a Iosi Energia oferece serviços completos em engenharia elétrica, automação e telecomunicações, atendendo as principais demandas de usinas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchItupeva, BrazilHQ recorded Nov 6, 2026201-500106 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCuritiba, BrazilHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“A DMA é uma empresa dedicada ao fornecimento de Sistemas de Energia para os segmentos de Geração, Transmissão e Distribuição de Energia, Indústria e Grandes Obras de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBarueri, BrazilHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“A ELTMAN Engenharia é uma empresa com mais de 27 anos de experiência em sistemas elétricos de potência, possuindo grande experiência em projetos de Usinas, Subestações e Parques…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCatu, BrazilHQ recorded Nov 6, 202651-20085 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Empresa de Engenharia criada em 1998 pelos engenheiros Dirceu Passos e Renato Conci.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAparecida De Goiânia, BrazilHQ recorded Nov 6, 202651-20080 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFortaleza, BrazilHQ recorded Nov 6, 2026201-50079 contacts →

Exact match

“A ENGELT – Projetos e Construções Ltda é uma empresa de prestação de serviços na área de engenharia elétrica, que atua no Brasil inteiro, com foco na região Norte e Nordeste…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Construction solutions, preventive and corrective maintenance, electrical and electromechanical assemblies, O&M, Commissioning of equipment, panels and SPCS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,578 electrical system commissioning companies based in Brazil

See the full list, filter by size, metro and specialty, and access 1,902 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical system commissioning companies based in Brazil at a glance

As of Nov 6, 2026
10.6%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
11.5%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
875
11-50
488
51-200
139
201-500
30
501-1,000
11
1,001-5,000
7
5,001-10,000
1

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 1,578 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 “electrical system commissioning companies” 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 1,902 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 “electrical system commissioning companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical system commissioning companies are there based in Brazil?

RevenueBase identified 1,578 company matches for electrical system commissioning companies associated with Brazil as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most electrical system commissioning companies?

Sao Paulo leads with 181 company records, followed by Rio De Janeiro (60) and Belo Horizonte (49).

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 1,902 professional contacts with verified work emails tracked across these 1,578 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.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.