Company lists · Data refreshed September 2026
Top 20 Hydrographic surveying companies based in Brazil
RevenueBase identified 55 company matches for hydrographic surveying companies associated with Brazil as of September 2026 and tracks 1,145 professional contacts across them, including 171 with verified work emails. Rio De Janeiro is the largest hub.
This list covers company matches for hydrographic surveying 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 September 20, 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 20 largest hydrographic surveying companies based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 215 contacts → | ||||
Exact match “A Topocart é uma empresa de consultoria especializada na área de aerolevantamento, geoprocessamento, cartografia, sistemas de informação geográfica, cadastro técnico…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 67 contacts → | ||||
Exact match “A GEODEEP é uma empresa especializada em diversos tipos de serviços onshore, offshore e zona de transição, em especial, levantamentos de dados geofísicos, geológicos e geotécnicos.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 55 contacts → | ||||
Exact match “Founded in 1984, Rural Tech has over 40 years of experience delivering fast, accurate, and integrated solutions in Topography, Cartography, Geodesy, Bathymetry, Hydrometry…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 47 contacts → | ||||
Exact match “Brazilian company - Environmental Consultancy, Services and Projects:| Inland fresh-waters | Estuaries | Coastal Waters | Oceanic waters | We act as a group, divided into three…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 45 contacts → | ||||
Exact match “Part of HBR Holding Brazil, Oceânica is a Brazilian consulting company for naval, offshore and nautical industries, with focus in hydrodynamics, mooring, dynamic positioning…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “Founded in 1997, the company specialises in the acquisition, processing and interpretation of terrestrial and aquatic geophysical data, working in the areas of Mining…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 33 contacts → | ||||
Exact match “Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 21 contacts → | ||||
Exact match “Atuamos na área de meio Ambiente e oceanografia, para a execução de serviços e projetos de análise, anteprojeto, arbitramento, assessoria, assistência, auditoria, avaliação…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “Labmar Geociências é uma empresa especializada em levantamentos e estudos hidrológicos, fluviométricos, hidrogeológicos e análises laboratoriais de solos, sedimentos, particulados…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “On a busy day or a week, we can look after crew changes formalities and handing over process, checking stowage plan and max cargo intake, draft restrictions, ports line-up, making…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match “A HIDROTOP é uma empresa de engenharia marítima, fundada em 1987, sediada em Santos/SP, inscrita no Centro de Hidrografia da Marinha do Brasil (CHM), no Centro Almirante Moraes…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 16 contacts → | ||||
Exact match “Empresa de Engenharia localizada no Rio de Janeiro/RJ.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 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 20, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “With a massive passion for the innovative technology in the field of offshore surveying and subsea operations WAMS was created as a platform to deliver the best technology to our…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “A2 MARINE SOLUTION Conta com a experiência de seus profissionais com mais de 15 anos no mercado, focada exclusivamente em soluções e fornecimento de equipamentos para as…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Founded in 2017 in Santos, Plamar is a professional diving company that provides underwater inspections, IACS Class surveys, hull cleaning, propeller polishing, entanglement…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “A Engenharia CF, é uma empresa fundada em 2013 com o objetivo de prestar serviços de Topografia, Batimetria e Aerolevantamento com tecnologia de ponta para gerar dados geográficos…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “ASTER Engenharia Ltda.(ASTER) is a company built in 2016 when colleagues merged over 15 years of offshore/onshore personal experiences to develop own business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Empresa de Engenharia Portuária e Hidrografia, Entidade Executante (EE) de Levantamentos Hidrográficos (LHs).” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “CSA Ocean Sciences Inc.” Recorded in the RevenueBase company graph · Sep 20, 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 “hydrographic surveying companies”. 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 20 of 55 hydrographic surveying companies based in Brazil
See the full list, filter by size, metro and specialty, and access 171 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrographic surveying companies based in Brazil at a glance
As of Sep 20, 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 55 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 “hydrographic surveying 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 171 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 20, 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 “hydrographic surveying companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrographic surveying companies are there based in Brazil?
RevenueBase identified 55 company matches for hydrographic surveying companies 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?
Topocart Topografia, Engenharia E Aerolevantamentos tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrographic surveying companies?
Rio De Janeiro leads with 13 company records, followed by Vitoria (5) and Niteroi (4).
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 171 professional contacts with verified work emails tracked across these 55 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 55 hydrographic surveying companies based in Brazil. Start with a free account, no credit card.
Download this list →Related lists
Hydrographic surveying companies by geography
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- Hydrographic surveying companies based in Indonesia
- Hydrographic surveying companies based in Italy
- Hydrographic surveying companies based in the Netherlands
- Hydrographic surveying companies based in the United Kingdom
- Hydrographic surveying companies based in the United States
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
- Hydrographic surveying companies based in Australia
- Hydrographic surveying companies based in Canada
- Hydrographic surveying companies based in France
- Hydrographic surveying companies based in India
- Hydrographic surveying companies based in Indonesia
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Company intelligence · public preview
Top 20 hydrographic surveying companies 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 55 matching company records for hydrographic surveying companies based in Brazil, with 1,145 tracked contacts and 171 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 20 hydrographic surveying companies 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 |  Topocart Topografia, Engenharia E Aerolevantamentostopocart.com.brHQ: Brasília, BrazilReported employees: 201-500 | Brasília, Brazil | 201-500 | Exact match | 215 contacts → |
“A Topocart é uma empresa de consultoria especializada na área de aerolevantamento, geoprocessamento, cartografia, sistemas de informação geográfica, cadastro técnico…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Geodeepgeodeep.com.brHQ: Maceió, BrazilReported employees: 51-200 | Maceió, Brazil | 51-200 | Exact match | 67 contacts → |
“A GEODEEP é uma empresa especializada em diversos tipos de serviços onshore, offshore e zona de transição, em especial, levantamentos de dados geofísicos, geológicos e geotécnicos.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Rural Techruraltech.com.brHQ: Brasilia, BrazilReported employees: 51-200 | Brasilia, Brazil | 51-200 | Exact match | 55 contacts → |
“Founded in 1984, Rural Tech has over 40 years of experience delivering fast, accurate, and integrated solutions in Topography, Cartography, Geodesy, Bathymetry, Hydrometry…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Salt Engenharia E Meio Ambientesaltambiental.com.brHQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 47 contacts → |
“Brazilian company - Environmental Consultancy, Services and Projects:| Inland fresh-waters | Estuaries | Coastal Waters | Oceanic waters | We act as a group, divided into three…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Oceânicaoceanicabr.comHQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 45 contacts → |
“Part of HBR Holding Brazil, Oceânica is a Brazilian consulting company for naval, offshore and nautical industries, with focus in hydrodynamics, mooring, dynamic positioning…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AFC Geofísicaafcgeofisica.com.brHQ: Porto Alegre, BrazilReported employees: 11-50 | Porto Alegre, Brazil | 11-50 | Exact match | 40 contacts → |
“Founded in 1997, the company specialises in the acquisition, processing and interpretation of terrestrial and aquatic geophysical data, working in the areas of Mining…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Mitang Brasilmitang.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 33 contacts → |
“Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Spectrah Oceanografia E Meio Ambientespectrah.com.brHQ: Florianópolis, BrazilReported employees: 1-10 | Florianópolis, Brazil | 1-10 | Exact match | 21 contacts → |
“Atuamos na área de meio Ambiente e oceanografia, para a execução de serviços e projetos de análise, anteprojeto, arbitramento, assessoria, assistência, auditoria, avaliação…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Serra, BrazilReported employees: 11-50 | Serra, Brazil | 11-50 | Exact match | 19 contacts → |
“Labmar Geociências é uma empresa especializada em levantamentos e estudos hidrológicos, fluviométricos, hidrogeológicos e análises laboratoriais de solos, sedimentos, particulados…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Naabsa Shipping & Marine Surveyorsnaabsa.comHQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 17 contacts → |
“On a busy day or a week, we can look after crew changes formalities and handing over process, checking stowage plan and max cargo intake, draft restrictions, ports line-up, making…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hidrotop Construções, Importação E Comércio Ltdahidrotop.com.brHQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 16 contacts → |
“A HIDROTOP é uma empresa de engenharia marítima, fundada em 1987, sediada em Santos/SP, inscrita no Centro de Hidrografia da Marinha do Brasil (CHM), no Centro Almirante Moraes…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wams Subseawams.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 9 contacts → |
“With a massive passion for the innovative technology in the field of offshore surveying and subsea operations WAMS was created as a platform to deliver the best technology to our…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  A2a2marinesolution.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 7 contacts → |
“A2 MARINE SOLUTION Conta com a experiência de seus profissionais com mais de 15 anos no mercado, focada exclusivamente em soluções e fornecimento de equipamentos para as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Plamar Tecnologia Marítimaplamar.com.brHQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 5 contacts → |
“Founded in 2017 in Santos, Plamar is a professional diving company that provides underwater inspections, IACS Class surveys, hull cleaning, propeller polishing, entanglement…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Engenharia CFengenhariacf.com.brHQ: Teixeiras, BrazilReported employees: 1-10 | Teixeiras, Brazil | 1-10 | Exact match | 4 contacts → |
“A Engenharia CF, é uma empresa fundada em 2013 com o objetivo de prestar serviços de Topografia, Batimetria e Aerolevantamento com tecnologia de ponta para gerar dados geográficos…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aster Engenhariaastergeo.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“ASTER Engenharia Ltda.(ASTER) is a company built in 2016 when colleagues merged over 15 years of offshore/onshore personal experiences to develop own business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Precursoreprecursore.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“Empresa de Engenharia Portuária e Hidrografia, Entidade Executante (EE) de Levantamentos Hidrográficos (LHs).” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  CSA Ciências Oceânicascsaco.com.brHQ: Vitória, BrazilReported employees: 1-10 | Vitória, Brazil | 1-10 | Exact match | 3 contacts → |
“CSA Ocean Sciences Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 55 company matches
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Hydrographic surveying companies: dataset insights
September 20, 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
55 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 55 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 20, 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 hydrographic surveying companies?
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 hydrographic surveying companies did RevenueBase find based in Brazil?
The saved snapshot records 55 matching company records, 1,145 tracked contacts and 171 verified emails. The public preview displays 20 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 20, 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
Hydrographic surveying companies by geography
- Hydrographic surveying companies based in Australia
- Hydrographic surveying companies based in Canada
- Hydrographic surveying companies based in France
- Hydrographic surveying companies based in India
- Hydrographic surveying companies based in Indonesia
- Hydrographic surveying companies based in Italy
- Hydrographic surveying companies based in the Netherlands
- Hydrographic surveying companies based in the United Kingdom
- Hydrographic surveying companies based in the United States
Cite this list
RevenueBase Data Team. Top 20 hydrographic surveying companies based in Brazil. Snapshot: September 20, 2026. https://revenuebase.ai/companies/hydrographic-surveying-companies/brazil.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hydrographic surveying companies based in Australia
- Hydrographic surveying companies based in Canada
- Hydrographic surveying companies based in France
- Hydrographic surveying companies based in India
- Hydrographic surveying companies based in Indonesia
- Hydrographic surveying companies based in Italy
Company intelligence · public preview
Top 20 hydrographic surveying companies based in Brazil
RevenueBase records 55 matching company records for hydrographic surveying companies based in Brazil, with 1,145 tracked contacts and 171 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 20 hydrographic surveying companies 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 | Topocart Topografia, Engenharia E Aerolevantamentostopocart.com.br HQ: Brasília, BrazilReported employees: 201-500 | Brasília, Brazil | 201-500 | Exact match | 215 contacts → |
“A Topocart é uma empresa de consultoria especializada na área de aerolevantamento, geoprocessamento, cartografia, sistemas de informação geográfica, cadastro técnico…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Geodeepgeodeep.com.br HQ: Maceió, BrazilReported employees: 51-200 | Maceió, Brazil | 51-200 | Exact match | 67 contacts → |
“A GEODEEP é uma empresa especializada em diversos tipos de serviços onshore, offshore e zona de transição, em especial, levantamentos de dados geofísicos, geológicos e geotécnicos.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Rural Techruraltech.com.br HQ: Brasilia, BrazilReported employees: 51-200 | Brasilia, Brazil | 51-200 | Exact match | 55 contacts → |
“Founded in 1984, Rural Tech has over 40 years of experience delivering fast, accurate, and integrated solutions in Topography, Cartography, Geodesy, Bathymetry, Hydrometry…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Salt Engenharia E Meio Ambientesaltambiental.com.br HQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 47 contacts → |
“Brazilian company - Environmental Consultancy, Services and Projects:| Inland fresh-waters | Estuaries | Coastal Waters | Oceanic waters | We act as a group, divided into three…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Oceânicaoceanicabr.com HQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 45 contacts → |
“Part of HBR Holding Brazil, Oceânica is a Brazilian consulting company for naval, offshore and nautical industries, with focus in hydrodynamics, mooring, dynamic positioning…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AFC Geofísicaafcgeofisica.com.br HQ: Porto Alegre, BrazilReported employees: 11-50 | Porto Alegre, Brazil | 11-50 | Exact match | 40 contacts → |
“Founded in 1997, the company specialises in the acquisition, processing and interpretation of terrestrial and aquatic geophysical data, working in the areas of Mining…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Mitang Brasilmitang.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 33 contacts → |
“Nosso core Business: Survey and Positinging e Soluções Tecnológicas e Inovadoras.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Spectrah Oceanografia E Meio Ambientespectrah.com.br HQ: Florianópolis, BrazilReported employees: 1-10 | Florianópolis, Brazil | 1-10 | Exact match | 21 contacts → |
“Atuamos na área de meio Ambiente e oceanografia, para a execução de serviços e projetos de análise, anteprojeto, arbitramento, assessoria, assistência, auditoria, avaliação…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Serra, BrazilReported employees: 11-50 | Serra, Brazil | 11-50 | Exact match | 19 contacts → |
“Labmar Geociências é uma empresa especializada em levantamentos e estudos hidrológicos, fluviométricos, hidrogeológicos e análises laboratoriais de solos, sedimentos, particulados…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Naabsa Shipping & Marine Surveyorsnaabsa.com HQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 17 contacts → |
“On a busy day or a week, we can look after crew changes formalities and handing over process, checking stowage plan and max cargo intake, draft restrictions, ports line-up, making…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hidrotop Construções, Importação E Comércio Ltdahidrotop.com.br HQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 16 contacts → |
“A HIDROTOP é uma empresa de engenharia marítima, fundada em 1987, sediada em Santos/SP, inscrita no Centro de Hidrografia da Marinha do Brasil (CHM), no Centro Almirante Moraes…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wams Subseawams.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 9 contacts → |
“With a massive passion for the innovative technology in the field of offshore surveying and subsea operations WAMS was created as a platform to deliver the best technology to our…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | A2a2marinesolution.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 7 contacts → |
“A2 MARINE SOLUTION Conta com a experiência de seus profissionais com mais de 15 anos no mercado, focada exclusivamente em soluções e fornecimento de equipamentos para as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Plamar Tecnologia Marítimaplamar.com.br HQ: Santos, BrazilReported employees: 11-50 | Santos, Brazil | 11-50 | Exact match | 5 contacts → |
“Founded in 2017 in Santos, Plamar is a professional diving company that provides underwater inspections, IACS Class surveys, hull cleaning, propeller polishing, entanglement…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Engenharia CFengenhariacf.com.br HQ: Teixeiras, BrazilReported employees: 1-10 | Teixeiras, Brazil | 1-10 | Exact match | 4 contacts → |
“A Engenharia CF, é uma empresa fundada em 2013 com o objetivo de prestar serviços de Topografia, Batimetria e Aerolevantamento com tecnologia de ponta para gerar dados geográficos…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aster Engenhariaastergeo.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“ASTER Engenharia Ltda.(ASTER) is a company built in 2016 when colleagues merged over 15 years of offshore/onshore personal experiences to develop own business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Precursoreprecursore.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“Empresa de Engenharia Portuária e Hidrografia, Entidade Executante (EE) de Levantamentos Hidrográficos (LHs).” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | CSA Ciências Oceânicascsaco.com.br HQ: Vitória, BrazilReported employees: 1-10 | Vitória, Brazil | 1-10 | Exact match | 3 contacts → |
“CSA Ocean Sciences Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 55 company matches
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Hydrographic surveying companies: dataset insights
September 20, 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
55 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 55 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 20, 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 hydrographic surveying companies?
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 hydrographic surveying companies did RevenueBase find based in Brazil?
The saved snapshot records 55 matching company records, 1,145 tracked contacts and 171 verified emails. The public preview displays 20 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 20, 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 20 hydrographic surveying companies based in Brazil. Snapshot: September 20, 2026. https://revenuebase.ai/companies/hydrographic-surveying-companies/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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