Company lists · Data refreshed October 2026
Top 15 Industrial hygiene firms based in Rio De Janeiro, Brazil
RevenueBase identified 127 company matches for industrial hygiene firms associated with Rio De Janeiro, Brazil as of October 2026 and tracks 1,378 professional contacts across them, including 78 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (380 companies); Rio De Janeiro follows with 127.
This list covers company matches for industrial hygiene firms associated with Rio De Janeiro, 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 October 16, 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 15 largest industrial hygiene firms based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 665 contacts → | ||||
Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 2 | 24 contacts → | ||||
Exact match “Serviços de saúde ocupacional, incluindo- Gestão completa da saúde ocupacional de sua empresa - realização de exames ocupacionais, laudos, cursos e treinamentos.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 3 | 16 contacts → | ||||
Exact match “Há mais de 40 anos, a NR é líder na elaboração e implementação de programas de gestão de segurança e saúde do trabalho.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 4 | 10 contacts → | ||||
Exact match “A BISAGGIO ENGENHARIA DO TRABALHO LTDA possui 29 anos de atuação no mercado, prestando serviços nas áreas de Segurança do Trabalho, Higiene Ocupacional, Ergonomia, Meio Ambiente…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 5 | 8 contacts → | ||||
Exact match “A Prevenir tem 20 anos de atuação no mercado de saúde ocupacional Nossa equipe multidisciplinar é formada por médicos do trabalho, engenheiros e técnicos, proporcionando aos…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 6 | 6 contacts → | ||||
Exact match “A H&C nasce da necessidade crescente do segmento industrial conhecer e gerenciar os seus riscos, tendo em vista a mudança contínua nos cenários políticos, econômicos, sociais e…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “MasterMed Mais uma empresa do Grupo Atenta saúde sediada no Rio de Janeiro - RJ especializada na prestação de serviços de Medicina e Segurança do Trabalho para empresas de…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 8 | 6 contacts → | ||||
Exact match “A IMASS (Meio Ambiente, Saúde e Segurança do Trabalho) é uma empresa especializada na prestação de serviços integrados voltados para a promoção da saúde, segurança e bem-estar no…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “A Kurber Engenharia & Gestão de Segurança, Meio Ambiente e Saúde Ocupacional é uma empresa formada por profissionais que atuam a mais de anos no mercado, possui um grande legado…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “A Grão Estudos Ambientais nasce em 2016 já contando com mais de 15 anos de experiência de sua equipe técnica no mercado de consultoria ambiental.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “Somos uma empresa de soluções em saúde e segurança do trabalho usando toda sua expertise para auxiliar nossos clientes no cumprimento de suas obrigatoriedades legais tornando o…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “Somos especializados na área de Segurança e Qualidade de vida no Trabalho e Consultoria em Saúde, atendendo à exigência da legislação do MTE, Secretária do Meio Ambiente da…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “A Hawk tem como foco, entender as necessidades dos nossos clientes, oferecendo uma prestação de serviço na área de segurança do trabalho com qualidade técnica, ética e…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “A E3 Ambiental é uma consultoria ambiental formada por profissionais experientes, especializados em engenharia ambiental, com foco principal no gerenciamento de áreas…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “A Intera é uma empresa de consultoria especializada em serviços ambientais, focada em auxiliar nossos clientes a atender os requisitos legais frente às leis ambientais.” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial hygiene firms”. 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 15 of 127 industrial hygiene firms based in Rio De Janeiro, Brazil
See the full list, filter by size, metro and specialty, and access 78 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Industrial hygiene firms based in Rio De Janeiro, Brazil at a glance
As of Oct 16, 2026Companies by employee count
Email recency for this list is measured across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 127 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 Rio De Janeiro, Brazil whose business descriptions match “industrial hygiene firms” 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 78 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 October 16, 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.
Industrial hygiene firms by metro in Brazil
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 “industrial hygiene firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many industrial hygiene firms are there based in Rio De Janeiro, Brazil?
RevenueBase identified 127 company matches for industrial hygiene firms associated with Rio De Janeiro, Brazil as of October 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?
CTA Engenharia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Brazil has the most industrial hygiene firms?
Sao Paulo leads Brazil with 380 company records, followed by Rio De Janeiro (127) and Belo Horizonte (97).
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 78 professional contacts with verified work emails tracked across these 127 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 October 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 127 industrial hygiene firms based in Rio De Janeiro, Brazil. Start with a free account, no credit card.
Download this list →Related lists
Industrial hygiene firms by geography
- Industrial hygiene firms based in Melbourne, Australia
- Industrial hygiene firms based in Perth, Australia
- Industrial hygiene firms based in Sydney, Australia
- Industrial hygiene firms based in Belo Horizonte, Brazil
- Industrial hygiene firms based in Campinas, Brazil
- Industrial hygiene firms based in Curitiba, Brazil
- Industrial hygiene firms based in Sao Paulo, Brazil
- Industrial hygiene firms based in Calgary, Canada
- Industrial hygiene firms based in Edmonton, Canada
- Industrial hygiene firms based in Paris, France
- Industrial hygiene firms based in Milan, Italy
- Industrial hygiene firms based in Rome, Italy
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
- Industrial hygiene firms based in Melbourne, Australia
- Industrial hygiene firms based in Perth, Australia
- Industrial hygiene firms based in Sydney, Australia
- Industrial hygiene firms based in Belo Horizonte, Brazil
- Industrial hygiene firms based in Campinas, Brazil
- Industrial hygiene firms based in Curitiba, Brazil
Company intelligence · public preview
Top 15 industrial hygiene firms based in Rio De Janeiro, Brazil
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 127 matching company records for industrial hygiene firms based in Rio De Janeiro, Brazil, with 1,378 tracked contacts and 78 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 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 15 industrial hygiene firms based in Rio De Janeiro, 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 |  CTA Engenhariactaengenharia.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 665 contacts → |
“A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Medsoul Saúde Ocupacionalmedsoul.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 24 contacts → |
“Serviços de saúde ocupacional, incluindo- Gestão completa da saúde ocupacional de sua empresa - realização de exames ocupacionais, laudos, cursos e treinamentos.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NR Saúde E Segurança DO Trabalhonrsaudeseguranca.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 16 contacts → |
“Há mais de 40 anos, a NR é líder na elaboração e implementação de programas de gestão de segurança e saúde do trabalho.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bisaggio Engenharia DO Trabalhobisaggio.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 10 contacts → |
“A BISAGGIO ENGENHARIA DO TRABALHO LTDA possui 29 anos de atuação no mercado, prestando serviços nas áreas de Segurança do Trabalho, Higiene Ocupacional, Ergonomia, Meio Ambiente…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Prevenir Saúde Ocupacionalprevenirsaude.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 8 contacts → |
“A Prevenir tem 20 anos de atuação no mercado de saúde ocupacional Nossa equipe multidisciplinar é formada por médicos do trabalho, engenheiros e técnicos, proporcionando aos…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | H&c Gestão DE Riscohcrisco.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 6 contacts → |
“A H&C nasce da necessidade crescente do segmento industrial conhecer e gerenciar os seus riscos, tendo em vista a mudança contínua nos cenários políticos, econômicos, sociais e…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Mastermedmastermed.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 6 contacts → |
“MasterMed Mais uma empresa do Grupo Atenta saúde sediada no Rio de Janeiro - RJ especializada na prestação de serviços de Medicina e Segurança do Trabalho para empresas de…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  IMASSimass.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 6 contacts → |
“A IMASS (Meio Ambiente, Saúde e Segurança do Trabalho) é uma empresa especializada na prestação de serviços integrados voltados para a promoção da saúde, segurança e bem-estar no…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Kurber Engenharia & Gestão DE SMSkurber.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 5 contacts → |
“A Kurber Engenharia & Gestão de Segurança, Meio Ambiente e Saúde Ocupacional é uma empresa formada por profissionais que atuam a mais de anos no mercado, possui um grande legado…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Grão Estudos Ambientais Ltdagraoambiental.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“A Grão Estudos Ambientais nasce em 2016 já contando com mais de 15 anos de experiência de sua equipe técnica no mercado de consultoria ambiental.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SMS Sustentávelsmssustentavel.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 3 contacts → |
“Somos uma empresa de soluções em saúde e segurança do trabalho usando toda sua expertise para auxiliar nossos clientes no cumprimento de suas obrigatoriedades legais tornando o…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  NOW Segurança E Treinamentonowsafety.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 3 contacts → |
“Somos especializados na área de Segurança e Qualidade de vida no Trabalho e Consultoria em Saúde, atendendo à exigência da legislação do MTE, Secretária do Meio Ambiente da…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Hawk Consultoria EM Saúde E Segurança DO Trabalhohawksegurancaeprevencao.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“A Hawk tem como foco, entender as necessidades dos nossos clientes, oferecendo uma prestação de serviço na área de segurança do trabalho com qualidade técnica, ética e…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  E3 Ambientale3ambiental.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 2 contacts → |
“A E3 Ambiental é uma consultoria ambiental formada por profissionais experientes, especializados em engenharia ambiental, com foco principal no gerenciamento de áreas…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Intera Consultoria Ambientalinteraambiental.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 2 contacts → |
“A Intera é uma empresa de consultoria especializada em serviços ambientais, focada em auxiliar nossos clientes a atender os requisitos legais frente às leis ambientais.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 127 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Industrial hygiene firms: dataset insights
October 16, 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
126 records in the displayed employee bands.
1 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 across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 127 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: October 16, 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 ↗
Industrial hygiene firms by metro in Brazil
Questions about this company list
What does Exact match mean for industrial hygiene firms?
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 industrial hygiene firms did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 127 matching company records, 1,378 tracked contacts and 78 verified emails. The public preview displays 15 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: October 16, 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
Industrial hygiene firms by geography
- Industrial hygiene firms based in Melbourne, Australia
- Industrial hygiene firms based in Perth, Australia
- Industrial hygiene firms based in Sydney, Australia
- Industrial hygiene firms based in Belo Horizonte, Brazil
- Industrial hygiene firms based in Campinas, Brazil
- Industrial hygiene firms based in Curitiba, Brazil
- Industrial hygiene firms based in Sao Paulo, Brazil
- Industrial hygiene firms based in Calgary, Canada
- Industrial hygiene firms based in Edmonton, Canada
- Industrial hygiene firms based in Paris, France
- Industrial hygiene firms based in Milan, Italy
- Industrial hygiene firms based in Rome, Italy
Cite this list
RevenueBase Data Team. Top 15 industrial hygiene firms based in Rio De Janeiro, Brazil. Snapshot: October 16, 2026. https://revenuebase.ai/companies/industrial-hygiene-firms/brazil/rio-de-janeiro.
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
- Industrial hygiene firms based in Melbourne, Australia
- Industrial hygiene firms based in Perth, Australia
- Industrial hygiene firms based in Sydney, Australia
- Industrial hygiene firms based in Belo Horizonte, Brazil
- Industrial hygiene firms based in Campinas, Brazil
- Industrial hygiene firms based in Curitiba, Brazil
Company intelligence · public preview
Top 15 industrial hygiene firms based in Rio De Janeiro, Brazil
RevenueBase records 127 matching company records for industrial hygiene firms based in Rio De Janeiro, Brazil, with 1,378 tracked contacts and 78 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 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 15 industrial hygiene firms based in Rio De Janeiro, 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 | CTA Engenhariactaengenharia.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 665 contacts → |
“A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Medsoul Saúde Ocupacionalmedsoul.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 24 contacts → |
“Serviços de saúde ocupacional, incluindo- Gestão completa da saúde ocupacional de sua empresa - realização de exames ocupacionais, laudos, cursos e treinamentos.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NR Saúde E Segurança DO Trabalhonrsaudeseguranca.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 16 contacts → |
“Há mais de 40 anos, a NR é líder na elaboração e implementação de programas de gestão de segurança e saúde do trabalho.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bisaggio Engenharia DO Trabalhobisaggio.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 10 contacts → |
“A BISAGGIO ENGENHARIA DO TRABALHO LTDA possui 29 anos de atuação no mercado, prestando serviços nas áreas de Segurança do Trabalho, Higiene Ocupacional, Ergonomia, Meio Ambiente…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Prevenir Saúde Ocupacionalprevenirsaude.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 8 contacts → |
“A Prevenir tem 20 anos de atuação no mercado de saúde ocupacional Nossa equipe multidisciplinar é formada por médicos do trabalho, engenheiros e técnicos, proporcionando aos…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | H&c Gestão DE Riscohcrisco.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 6 contacts → |
“A H&C nasce da necessidade crescente do segmento industrial conhecer e gerenciar os seus riscos, tendo em vista a mudança contínua nos cenários políticos, econômicos, sociais e…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Mastermedmastermed.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 6 contacts → |
“MasterMed Mais uma empresa do Grupo Atenta saúde sediada no Rio de Janeiro - RJ especializada na prestação de serviços de Medicina e Segurança do Trabalho para empresas de…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | IMASSimass.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 6 contacts → |
“A IMASS (Meio Ambiente, Saúde e Segurança do Trabalho) é uma empresa especializada na prestação de serviços integrados voltados para a promoção da saúde, segurança e bem-estar no…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Kurber Engenharia & Gestão DE SMSkurber.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 5 contacts → |
“A Kurber Engenharia & Gestão de Segurança, Meio Ambiente e Saúde Ocupacional é uma empresa formada por profissionais que atuam a mais de anos no mercado, possui um grande legado…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Grão Estudos Ambientais Ltdagraoambiental.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“A Grão Estudos Ambientais nasce em 2016 já contando com mais de 15 anos de experiência de sua equipe técnica no mercado de consultoria ambiental.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SMS Sustentávelsmssustentavel.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 3 contacts → |
“Somos uma empresa de soluções em saúde e segurança do trabalho usando toda sua expertise para auxiliar nossos clientes no cumprimento de suas obrigatoriedades legais tornando o…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | NOW Segurança E Treinamentonowsafety.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 3 contacts → |
“Somos especializados na área de Segurança e Qualidade de vida no Trabalho e Consultoria em Saúde, atendendo à exigência da legislação do MTE, Secretária do Meio Ambiente da…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hawk Consultoria EM Saúde E Segurança DO Trabalhohawksegurancaeprevencao.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“A Hawk tem como foco, entender as necessidades dos nossos clientes, oferecendo uma prestação de serviço na área de segurança do trabalho com qualidade técnica, ética e…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | E3 Ambientale3ambiental.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 2 contacts → |
“A E3 Ambiental é uma consultoria ambiental formada por profissionais experientes, especializados em engenharia ambiental, com foco principal no gerenciamento de áreas…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Intera Consultoria Ambientalinteraambiental.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 2 contacts → |
“A Intera é uma empresa de consultoria especializada em serviços ambientais, focada em auxiliar nossos clientes a atender os requisitos legais frente às leis ambientais.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 127 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Industrial hygiene firms: dataset insights
October 16, 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
126 records in the displayed employee bands.
1 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 across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 127 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: October 16, 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 ↗
Industrial hygiene firms by metro in Brazil
Questions about this company list
What does Exact match mean for industrial hygiene firms?
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 industrial hygiene firms did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 127 matching company records, 1,378 tracked contacts and 78 verified emails. The public preview displays 15 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: October 16, 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
Industrial hygiene firms by geography
- Industrial hygiene firms based in Melbourne, Australia
- Industrial hygiene firms based in Perth, Australia
- Industrial hygiene firms based in Sydney, Australia
- Industrial hygiene firms based in Belo Horizonte, Brazil
- Industrial hygiene firms based in Campinas, Brazil
- Industrial hygiene firms based in Curitiba, Brazil
- Industrial hygiene firms based in Sao Paulo, Brazil
- Industrial hygiene firms based in Calgary, Canada
- Industrial hygiene firms based in Edmonton, Canada
- Industrial hygiene firms based in Paris, France
- Industrial hygiene firms based in Milan, Italy
- Industrial hygiene firms based in Rome, Italy
Cite this list
RevenueBase Data Team. Top 15 industrial hygiene firms based in Rio De Janeiro, Brazil. Snapshot: October 16, 2026. https://revenuebase.ai/companies/industrial-hygiene-firms/brazil/rio-de-janeiro.
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
- Industrial hygiene firms based in Melbourne, Australia
- Industrial hygiene firms based in Perth, Australia
- Industrial hygiene firms based in Sydney, Australia
- Industrial hygiene firms based in Belo Horizonte, Brazil
- Industrial hygiene firms based in Campinas, Brazil
- Industrial hygiene firms based in Curitiba, Brazil