Company lists · Data refreshed September 2026
Top 25 Underwater construction firms based in Brazil
RevenueBase identified 123 company matches for underwater construction firms associated with Brazil as of September 2026 and tracks 6,533 professional contacts across them, including 1,529 with verified work emails. Rio De Janeiro is the largest hub.
This list covers company matches for underwater construction firms 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 September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest underwater construction firms based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,847 contacts → | ||||
Exact match “O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,108 contacts → | ||||
Exact match “A Belov Engenharia foi criada em 1981 em Salvador/BA, pelo engenheiro Aleixo Belov, que à época desfrutava de uma experiência de 15 anos de participação na condução das maiores…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 555 contacts → | ||||
Exact match “A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 320 contacts → | ||||
Exact match “Designed to become a major Brazilian construction company, CTC Infra was born in still under the name Constremac, shortly after acquiring Copabo Construções, a company belonging…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 304 contacts → | ||||
Exact match “Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 139 contacts → | ||||
Exact match “Fundada em 2012, a AASJ Manutenção e Reparo Offshore foi idealizada para apresentar ao mercado uma solução integrada em execução de grandes projetos portuários, visando a…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 105 contacts → | ||||
Exact match “Somos a OSX, empresa do Grupo EBX que atua na indústria naval e offshore, oferecendo soluções integradas de engenharia, construção, fretamento, e serviços de Operação e Manutenção…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 97 contacts → | ||||
Exact match “A Dratec Engenharia Ltda.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 86 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 85 contacts → | ||||
Exact match “SIMEROS is a Brazilian engineering company specialized in developing high-performance solutions for the subsea oil and gas sector, with a focus on SURF (Subsea Umbilicals, Risers…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 67 contacts → | ||||
Exact match “A RCS Subaquática é uma empresa de mergulho e soluções subaquáticas, criada por engenheiros, técnicos e mergulhadores preocupados com a segurança nas operações de mergulho e com a…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 47 contacts → | ||||
Exact match “Founded in 2017, BRS Robótica Submarina operates within the heart of Brazil's thriving Oil and Gas Industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 35 contacts → | ||||
Exact match “UNDEROCEAN operates in the Oil & Gas sector offering offshore project management services and ROV solutions, including equipment rental, maintenance, underwater inspection…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match “A Sea1 Offshore do Brasil S.A.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “Com mais de 35 anos de experiência, somos uma empresa especializada em mergulho profissional e serviços subaquáticos, oferecendo soluções seguras, eficientes e de alta qualidade.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “Estabilished in 2010 in Brazil, Oceanserv is an Underwater Solution Company, specialized in services to the Oil and Gas industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 16 contacts → | ||||
Exact match “Desde nossa fundação em 1910, adquirimos um histórico de execução de projetos de alta complexidade, sempre concluídos com êxito através da estreita colaboração com nossos clientes.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 16 contacts → | ||||
Exact match “Empresa de Engenharia localizada no Rio de Janeiro/RJ.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match “Formado pelas empresas OCEANORTE CONSTRUÇÕES, OCEANORTE ENGENHARIA E LOGÍSTICA e OCEANORTE ESTALEIROS, o GRUPO OCEANORTE atua nos segmentos da Engenharia Naval, Civil e Portuária.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “Especializada em inspeção, manutenção e reparos subaquáticos, com expertise em pesquisas, assessorias, planejamentos e execução de projetos.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “Somos uma empresa especializada em serviços subaquáticos, manutenção industrial, naval e offshore.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “Bravocean Offshore Services ltda.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “Iron Marine is a maritime company that works with ship repair and dive solutions based out of Rua São Francisco 306 Santos, São Paulo, Brazil.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “Company specializing in offshore projects, submarine launches and maritime transport.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “ARRAIAL DO CABO/RJ – MATRIZ: Fundada em 15/07/1989, atualmente instalada em uma área de m² aproximadamente, totalmente coberta, a CABOMAR SERVIÇOS vem atuando há mais de 24 anos…” Recorded in the RevenueBase company graph · Sep 19, 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 “underwater construction 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 25 of 123 underwater construction firms based in Brazil
See the full list, filter by size, metro and specialty, and access 1,529 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Underwater construction firms based in Brazil at a glance
As of Sep 19, 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 123 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 “underwater construction 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 1,529 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 September 19, 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 “underwater construction firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many underwater construction firms are there based in Brazil?
RevenueBase identified 123 company matches for underwater construction firms associated with Brazil as of September 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 CBO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most underwater construction firms?
Rio De Janeiro leads with 22 company records, followed by Niteroi (9) and Sao Paulo (9).
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 1,529 professional contacts with verified work emails tracked across these 123 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 123 underwater construction firms 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
- Underwater construction firms based in Australia
- Underwater construction firms based in Canada
- Underwater construction firms based in Chile
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Company intelligence · public preview
Top 25 underwater construction firms 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 123 matching company records for underwater construction firms based in Brazil, with 6,533 tracked contacts and 1,529 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underwater construction firms 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 CBOgrupocbo.com.brHQ: Niterói, BrazilReported employees: 1,001-5,000 | Niterói, Brazil | 1,001-5,000 | Exact match | 1,847 contacts → |
“O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  BELOVbelov.com.brHQ: Matriz, BrazilReported employees: 1,001-5,000 | Matriz, Brazil | 1,001-5,000 | Exact match | 1,108 contacts → |
“A Belov Engenharia foi criada em 1981 em Salvador/BA, pelo engenheiro Aleixo Belov, que à época desfrutava de uma experiência de 15 anos de participação na condução das maiores…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Construtora Vale Verde S Aconstrutoravaleverde.com.brHQ: Itabira, BrazilReported employees: 1,001-5,000 | Itabira, Brazil | 1,001-5,000 | Exact match | 555 contacts → |
“A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  CTC Infractcinfra.com.brHQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 320 contacts → |
“Designed to become a major Brazilian construction company, CTC Infra was born in still under the name Constremac, shortly after acquiring Copabo Construções, a company belonging…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Granenergiagranenergia.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 304 contacts → |
“Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Aasj Serviços Industriaisaasj.com.brHQ: Macaé, BrazilReported employees: 501-1,000 | Macaé, Brazil | 501-1,000 | Exact match | 139 contacts → |
“Fundada em 2012, a AASJ Manutenção e Reparo Offshore foi idealizada para apresentar ao mercado uma solução integrada em execução de grandes projetos portuários, visando a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  OSXosx.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 105 contacts → |
“Somos a OSX, empresa do Grupo EBX que atua na indústria naval e offshore, oferecendo soluções integradas de engenharia, construção, fretamento, e serviços de Operação e Manutenção…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Dratec Engenhariadratecengenharia.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 97 contacts → |
“A Dratec Engenharia Ltda.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Beconalbeconal.com.br HQ: Manaus, BrazilReported employees: 51-200 | Manaus, Brazil | 51-200 | Exact match | 86 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Simeros Technologiessimeros.comHQ: Cachoeirinha, BrazilReported employees: 51-200 | Cachoeirinha, Brazil | 51-200 | Exact match | 85 contacts → |
“SIMEROS is a Brazilian engineering company specialized in developing high-performance solutions for the subsea oil and gas sector, with a focus on SURF (Subsea Umbilicals, Risers…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | RCS Subaquaticarcssubaquatica.com.br HQ: Araruama, BrazilReported employees: 11-50 | Araruama, Brazil | 11-50 | Exact match | 67 contacts → |
“A RCS Subaquática é uma empresa de mergulho e soluções subaquáticas, criada por engenheiros, técnicos e mergulhadores preocupados com a segurança nas operações de mergulho e com a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  BRS Robótica Submarinabrsrobotica.comHQ: Macaé, BrazilReported employees: 11-50 | Macaé, Brazil | 11-50 | Exact match | 47 contacts → |
“Founded in 2017, BRS Robótica Submarina operates within the heart of Brazil's thriving Oil and Gas Industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Underocean Serviços Maritimosunderocean.com.brHQ: Macaé, BrazilReported employees: 51-200 | Macaé, Brazil | 51-200 | Exact match | 35 contacts → |
“UNDEROCEAN operates in the Oil & Gas sector offering offshore project management services and ROV solutions, including equipment rental, maintenance, underwater inspection…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sea1 Offshore DO Brasil S.Asea1offshore.comHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 33 contacts → |
“A Sea1 Offshore do Brasil S.A.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Deep Blue Serviços Submarinosdeepbluebrasil.com HQ: Angra Dos Reis, BrazilReported employees: 51-200 | Angra Dos Reis, Brazil | 51-200 | Exact match | 28 contacts → |
“Com mais de 35 anos de experiência, somos uma empresa especializada em mergulho profissional e serviços subaquáticos, oferecendo soluções seguras, eficientes e de alta qualidade.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Oceanservoceanserv.com HQ: Rio Das Ostras, BrazilReported employees: 11-50 | Rio Das Ostras, Brazil | 11-50 | Exact match | 21 contacts → |
“Estabilished in 2010 in Brazil, Oceanserv is an Underwater Solution Company, specialized in services to the Oil and Gas industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Boskalis DO Brasilboskalis.comHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 16 contacts → |
“Desde nossa fundação em 1910, adquirimos um histórico de execução de projetos de alta complexidade, sempre concluídos com êxito através da estreita colaboração com nossos clientes.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Noir - Naval Oceannavalocean.comHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 16 contacts → |
“Empresa de Engenharia localizada no Rio de Janeiro/RJ.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Oceanorte Engenharia Navaloceanorte.comHQ: Belém, BrazilReported employees: 11-50 | Belém, Brazil | 11-50 | Exact match | 15 contacts → |
“Formado pelas empresas OCEANORTE CONSTRUÇÕES, OCEANORTE ENGENHARIA E LOGÍSTICA e OCEANORTE ESTALEIROS, o GRUPO OCEANORTE atua nos segmentos da Engenharia Naval, Civil e Portuária.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Aquasub Mergulho Ltdaaquasubdive.com.brHQ: Maricá, BrazilReported employees: 11-50 | Maricá, Brazil | 11-50 | Exact match | 14 contacts → |
“Especializada em inspeção, manutenção e reparos subaquáticos, com expertise em pesquisas, assessorias, planejamentos e execução de projetos.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Grupo Mecatecgrupomecatec.com.brHQ: São Sebastião, BrazilReported employees: 11-50 | São Sebastião, Brazil | 11-50 | Exact match | 11 contacts → |
“Somos uma empresa especializada em serviços subaquáticos, manutenção industrial, naval e offshore.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Bravocean Offshore Servicesbravocean.comHQ: Florianópolis, BrazilReported employees: 1-10 | Florianópolis, Brazil | 1-10 | Exact match | 10 contacts → |
“Bravocean Offshore Services ltda.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Iron Marineironmarine.com.brHQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 9 contacts → |
“Iron Marine is a maritime company that works with ship repair and dive solutions based out of Rua São Francisco 306 Santos, São Paulo, Brazil.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Blue Amazon Shipping Projects S.Ablueamazon.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 8 contacts → |
“Company specializing in offshore projects, submarine launches and maritime transport.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cabomar Serviçoscabomar.com.brHQ: Rio Das Ostras, BrazilReported employees: 11-50 | Rio Das Ostras, Brazil | 11-50 | Exact match | 8 contacts → |
“ARRAIAL DO CABO/RJ – MATRIZ: Fundada em 15/07/1989, atualmente instalada em uma área de m² aproximadamente, totalmente coberta, a CABOMAR SERVIÇOS vem atuando há mais de 24 anos…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 123 company matches
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Underwater construction firms: dataset insights
September 19, 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
122 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 123 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: September 19, 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 underwater construction 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 underwater construction firms did RevenueBase find based in Brazil?
The saved snapshot records 123 matching company records, 6,533 tracked contacts and 1,529 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 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
Underwater construction firms by geography
- Underwater construction firms based in Australia
- Underwater construction firms based in Canada
- Underwater construction firms based in Chile
- Underwater construction firms based in Denmark
- Underwater construction firms based in France
- Underwater construction firms based in Germany
- Underwater construction firms based in India
- Underwater construction firms based in Indonesia
- Underwater construction firms based in Italy
- Underwater construction firms based in Lithuania
- Underwater construction firms based in the Netherlands
- Underwater construction firms based in Norway
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 underwater construction firms based in Brazil. Snapshot: September 19, 2026. https://revenuebase.ai/companies/underwater-construction-firms/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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- Underwater construction firms based in Australia
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Company intelligence · public preview
Top 25 underwater construction firms based in Brazil
RevenueBase records 123 matching company records for underwater construction firms based in Brazil, with 6,533 tracked contacts and 1,529 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underwater construction firms 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 CBOgrupocbo.com.br HQ: Niterói, BrazilReported employees: 1,001-5,000 | Niterói, Brazil | 1,001-5,000 | Exact match | 1,847 contacts → |
“O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | BELOVbelov.com.br HQ: Matriz, BrazilReported employees: 1,001-5,000 | Matriz, Brazil | 1,001-5,000 | Exact match | 1,108 contacts → |
“A Belov Engenharia foi criada em 1981 em Salvador/BA, pelo engenheiro Aleixo Belov, que à época desfrutava de uma experiência de 15 anos de participação na condução das maiores…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Construtora Vale Verde S Aconstrutoravaleverde.com.br HQ: Itabira, BrazilReported employees: 1,001-5,000 | Itabira, Brazil | 1,001-5,000 | Exact match | 555 contacts → |
“A Construtora Vale Verde é uma empresa inovadora que concentra a sua expertise na atuação em soluções para construção civil pesada com serviços de dragagem convencional e…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | CTC Infractcinfra.com.br HQ: Sao Paulo, BrazilReported employees: 51-200 | Sao Paulo, Brazil | 51-200 | Exact match | 320 contacts → |
“Designed to become a major Brazilian construction company, CTC Infra was born in still under the name Constremac, shortly after acquiring Copabo Construções, a company belonging…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Granenergiagranenergia.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 304 contacts → |
“Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Aasj Serviços Industriaisaasj.com.br HQ: Macaé, BrazilReported employees: 501-1,000 | Macaé, Brazil | 501-1,000 | Exact match | 139 contacts → |
“Fundada em 2012, a AASJ Manutenção e Reparo Offshore foi idealizada para apresentar ao mercado uma solução integrada em execução de grandes projetos portuários, visando a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | OSXosx.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 105 contacts → |
“Somos a OSX, empresa do Grupo EBX que atua na indústria naval e offshore, oferecendo soluções integradas de engenharia, construção, fretamento, e serviços de Operação e Manutenção…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Dratec Engenhariadratecengenharia.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 97 contacts → |
“A Dratec Engenharia Ltda.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Beconalbeconal.com.br HQ: Manaus, BrazilReported employees: 51-200 | Manaus, Brazil | 51-200 | Exact match | 86 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Simeros Technologiessimeros.com HQ: Cachoeirinha, BrazilReported employees: 51-200 | Cachoeirinha, Brazil | 51-200 | Exact match | 85 contacts → |
“SIMEROS is a Brazilian engineering company specialized in developing high-performance solutions for the subsea oil and gas sector, with a focus on SURF (Subsea Umbilicals, Risers…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | RCS Subaquaticarcssubaquatica.com.br HQ: Araruama, BrazilReported employees: 11-50 | Araruama, Brazil | 11-50 | Exact match | 67 contacts → |
“A RCS Subaquática é uma empresa de mergulho e soluções subaquáticas, criada por engenheiros, técnicos e mergulhadores preocupados com a segurança nas operações de mergulho e com a…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | BRS Robótica Submarinabrsrobotica.com HQ: Macaé, BrazilReported employees: 11-50 | Macaé, Brazil | 11-50 | Exact match | 47 contacts → |
“Founded in 2017, BRS Robótica Submarina operates within the heart of Brazil's thriving Oil and Gas Industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Underocean Serviços Maritimosunderocean.com.br HQ: Macaé, BrazilReported employees: 51-200 | Macaé, Brazil | 51-200 | Exact match | 35 contacts → |
“UNDEROCEAN operates in the Oil & Gas sector offering offshore project management services and ROV solutions, including equipment rental, maintenance, underwater inspection…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sea1 Offshore DO Brasil S.Asea1offshore.com HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 33 contacts → |
“A Sea1 Offshore do Brasil S.A.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Deep Blue Serviços Submarinosdeepbluebrasil.com HQ: Angra Dos Reis, BrazilReported employees: 51-200 | Angra Dos Reis, Brazil | 51-200 | Exact match | 28 contacts → |
“Com mais de 35 anos de experiência, somos uma empresa especializada em mergulho profissional e serviços subaquáticos, oferecendo soluções seguras, eficientes e de alta qualidade.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Oceanservoceanserv.com HQ: Rio Das Ostras, BrazilReported employees: 11-50 | Rio Das Ostras, Brazil | 11-50 | Exact match | 21 contacts → |
“Estabilished in 2010 in Brazil, Oceanserv is an Underwater Solution Company, specialized in services to the Oil and Gas industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Boskalis DO Brasilboskalis.com HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 16 contacts → |
“Desde nossa fundação em 1910, adquirimos um histórico de execução de projetos de alta complexidade, sempre concluídos com êxito através da estreita colaboração com nossos clientes.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Noir - Naval Oceannavalocean.com HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 16 contacts → |
“Empresa de Engenharia localizada no Rio de Janeiro/RJ.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Oceanorte Engenharia Navaloceanorte.com HQ: Belém, BrazilReported employees: 11-50 | Belém, Brazil | 11-50 | Exact match | 15 contacts → |
“Formado pelas empresas OCEANORTE CONSTRUÇÕES, OCEANORTE ENGENHARIA E LOGÍSTICA e OCEANORTE ESTALEIROS, o GRUPO OCEANORTE atua nos segmentos da Engenharia Naval, Civil e Portuária.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Aquasub Mergulho Ltdaaquasubdive.com.br HQ: Maricá, BrazilReported employees: 11-50 | Maricá, Brazil | 11-50 | Exact match | 14 contacts → |
“Especializada em inspeção, manutenção e reparos subaquáticos, com expertise em pesquisas, assessorias, planejamentos e execução de projetos.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Grupo Mecatecgrupomecatec.com.br HQ: São Sebastião, BrazilReported employees: 11-50 | São Sebastião, Brazil | 11-50 | Exact match | 11 contacts → |
“Somos uma empresa especializada em serviços subaquáticos, manutenção industrial, naval e offshore.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bravocean Offshore Servicesbravocean.com HQ: Florianópolis, BrazilReported employees: 1-10 | Florianópolis, Brazil | 1-10 | Exact match | 10 contacts → |
“Bravocean Offshore Services ltda.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Iron Marineironmarine.com.br HQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 9 contacts → |
“Iron Marine is a maritime company that works with ship repair and dive solutions based out of Rua São Francisco 306 Santos, São Paulo, Brazil.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Blue Amazon Shipping Projects S.Ablueamazon.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 8 contacts → |
“Company specializing in offshore projects, submarine launches and maritime transport.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cabomar Serviçoscabomar.com.br HQ: Rio Das Ostras, BrazilReported employees: 11-50 | Rio Das Ostras, Brazil | 11-50 | Exact match | 8 contacts → |
“ARRAIAL DO CABO/RJ – MATRIZ: Fundada em 15/07/1989, atualmente instalada em uma área de m² aproximadamente, totalmente coberta, a CABOMAR SERVIÇOS vem atuando há mais de 24 anos…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 123 company matches
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Underwater construction firms: dataset insights
September 19, 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
122 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 worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 123 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: September 19, 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 underwater construction 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 underwater construction firms did RevenueBase find based in Brazil?
The saved snapshot records 123 matching company records, 6,533 tracked contacts and 1,529 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 underwater construction firms based in Brazil. Snapshot: September 19, 2026. https://revenuebase.ai/companies/underwater-construction-firms/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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