Company lists · Data refreshed September 2026
Top 18 Hydrogeology companies based in Rio De Janeiro, Brazil
RevenueBase identified 63 company matches for hydrogeology companies associated with Rio De Janeiro, Brazil as of September 2026 and tracks 1,139 professional contacts across them, including 332 with verified work emails. Across Brazil, Belo Horizonte is the largest hub for this category (139 companies); Rio De Janeiro has 63.
This list covers company matches for hydrogeology companies 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 September 21, 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 18 largest hydrogeology companies based in Rio De Janeiro, Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 588 contacts → | ||||
Exact match “Sondotécnica was founded in 1954.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 73 contacts → | ||||
Exact match “Desenvolvemos soluções inovadoras para o gerenciamento, prevenção e redução de riscos geoambientais de projetos, operações e descomissionamentos de grandes ativos de mineração…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 63 contacts → | ||||
Exact match “A Geoprojetos é uma empresa especializada em Geotecnia que tem sua história construída ao longo quase 40 anos de experiência onde tem acumulado um vasto acervo técnico com a…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 29 contacts → | ||||
Exact match “PETREC is a technology-based company, 100% Brazilian, spin-off of COPPE/UFRJ, with headquarters in the Business Incubator of UFRJ, located inside the Technological Park at Ilha do…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 26 contacts → | ||||
Exact match “Solintec is now part of Core Laboratories.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “Created in 2015 with a startup mindset, we are a team of engineers acting with the integrity and robustness of a law firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “BMP is a Brazilian company, formed in 2009, which initially offered only geotechnology services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 12 contacts → | ||||
Exact match “São quatro áreas de atuação: Geotecnia, Geologia, Geofísica e Mergulho Profissional.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 9 contacts → | ||||
Exact match “A ConSIG Soluções Ambientais é uma empresa de consultoria que oferece soluções inovadoras, criativas e práticas através de geotecnologias com alto valor agregado e baixo custo de…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “Empresa com sede na cidade do Rio de Janeiro, especializada em elaboração de relatórios técnicos para obtenção de licenças ambientais, direito ao uso da água, operação de obras e…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “Empresa especializada em Sondagem e ensaios geotécnicos Onshore & Nearshore Fundações com Estacas Raiz Contenção de Encostas” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “BPS brings together undisputed leaders in the Brazilian O&G industry with a fresh vision for the country’s E&P market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “O nome COBE representa as iniciais dos sobrenomes de seus fundadores (CO de Coelho e BE de Bertin), dois profissionais do ramo da geotecnia com visões, ideais e experiências…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “A ABdoB é uma empresa de consultoria especializada em projetos de engenharia e análises de hidrodinâmica ambiental em corpos de água naturais, continentais e costeiros.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Empresa de Engenharia Portuária e Hidrografia, Entidade Executante (EE) de Levantamentos Hidrográficos (LHs).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “THETIS CONSULT provides consulting and project management in maritime engineering with a focus on the Brazilian market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “A TAA tem como missão ofertar ao mercado soluções eficientes e eficazes para realização de processos de outorga de uso de água e tamponamento de poços através de procedimentos…” Recorded in the RevenueBase company graph · Sep 21, 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 “hydrogeology 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 18 of 63 hydrogeology companies based in Rio De Janeiro, Brazil
See the full list, filter by size, metro and specialty, and access 332 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrogeology companies based in Rio De Janeiro, Brazil at a glance
As of Sep 21, 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 63 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 “hydrogeology 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 332 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 21, 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.
Hydrogeology companies 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 “hydrogeology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrogeology companies are there based in Rio De Janeiro, Brazil?
RevenueBase identified 63 company matches for hydrogeology companies associated with Rio De Janeiro, 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?
Sondotécnica 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 hydrogeology companies?
Belo Horizonte leads Brazil with 139 company records, followed by Sao Paulo (108) and Rio De Janeiro (63).
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 332 professional contacts with verified work emails tracked across these 63 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 63 hydrogeology companies based in Rio De Janeiro, Brazil. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 18 hydrogeology companies 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 63 matching company records for hydrogeology companies based in Rio De Janeiro, Brazil, with 1,139 tracked contacts and 332 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 18 hydrogeology companies 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 |  Sondotécnica Engenhariasondotecnica.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 588 contacts → |
“Sondotécnica was founded in 1954.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Alta Geotecniaaltageotecnia.comHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 73 contacts → |
“Desenvolvemos soluções inovadoras para o gerenciamento, prevenção e redução de riscos geoambientais de projetos, operações e descomissionamentos de grandes ativos de mineração…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Geoprojetos Engenharia Ltdageoprojetos.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 63 contacts → |
“A Geoprojetos é uma empresa especializada em Geotecnia que tem sua história construída ao longo quase 40 anos de experiência onde tem acumulado um vasto acervo técnico com a…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Petrecpetrec.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 29 contacts → |
“PETREC is a technology-based company, 100% Brazilian, spin-off of COPPE/UFRJ, with headquarters in the Business Incubator of UFRJ, located inside the Technological Park at Ilha do…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Core Lab-Solintecsolintec.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 26 contacts → |
“Solintec is now part of Core Laboratories.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Quartic Advisoryquartic-advisory.comHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 14 contacts → |
“Created in 2015 with a startup mindset, we are a team of engineers acting with the integrity and robustness of a law firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | BMP Ambientalbmpambiental.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 13 contacts → |
“BMP is a Brazilian company, formed in 2009, which initially offered only geotechnology services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geosea Investigações Geotécnicasgeosea.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 12 contacts → |
“São quatro áreas de atuação: Geotecnia, Geologia, Geofísica e Mergulho Profissional.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Consig-Saconsigsa.comHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 9 contacts → |
“A ConSIG Soluções Ambientais é uma empresa de consultoria que oferece soluções inovadoras, criativas e práticas através de geotecnologias com alto valor agregado e baixo custo de…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Litologicalitologica.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 7 contacts → |
“Empresa com sede na cidade do Rio de Janeiro, especializada em elaboração de relatórios técnicos para obtenção de licenças ambientais, direito ao uso da água, operação de obras e…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geodrill Engenharia Ltdageodrill.com.brHQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 7 contacts → |
“Empresa especializada em Sondagem e ensaios geotécnicos Onshore & Nearshore Fundações com Estacas Raiz Contenção de Encostas” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Brazil Petroleum Studiesbrazilpetrostudies.com.brHQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 5 contacts → |
“BPS brings together undisputed leaders in the Brazilian O&G industry with a fresh vision for the country’s E&P market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cobe Engenharia E Geotecniacobeengenharia.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 4 contacts → |
“O nome COBE representa as iniciais dos sobrenomes de seus fundadores (CO de Coelho e BE de Bertin), dois profissionais do ramo da geotecnia com visões, ideais e experiências…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Abdob Associados Baías DO Brasilabdob.com.brHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“A ABdoB é uma empresa de consultoria especializada em projetos de engenharia e análises de hidrodinâmica ambiental em corpos de água naturais, continentais e costeiros.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Thetis Consultthetis-consult.comHQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 1 contacts → |
“THETIS CONSULT provides consulting and project management in maritime engineering with a focus on the Brazilian market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TAA Outorgas DE Recursos Hídricostaa.eco.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 1 contacts → |
“A TAA tem como missão ofertar ao mercado soluções eficientes e eficazes para realização de processos de outorga de uso de água e tamponamento de poços através de procedimentos…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 63 company matches
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Hydrogeology companies: dataset insights
September 21, 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
63 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 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 63 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 21, 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 ↗
Hydrogeology companies by metro in Brazil
Questions about this company list
What does Exact match mean for hydrogeology 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 hydrogeology companies did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 63 matching company records, 1,139 tracked contacts and 332 verified emails. The public preview displays 18 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 21, 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
Hydrogeology companies by geography
- Hydrogeology companies based in Brisbane, Australia
- Hydrogeology companies based in Melbourne, Australia
- Hydrogeology companies based in Perth, Australia
- Hydrogeology companies based in Sydney, Australia
- Hydrogeology companies based in Belo Horizonte, Brazil
- Hydrogeology companies based in Porto Alegre, Brazil
- Hydrogeology companies based in Sao Paulo, Brazil
- Hydrogeology companies based in Calgary, Canada
- Hydrogeology companies based in Montreal, Canada
- Hydrogeology companies based in Toronto, Canada
- Hydrogeology companies based in Vancouver, Canada
- Hydrogeology companies based in Ankara, Türkiye
Cite this list
RevenueBase Data Team. Top 18 hydrogeology companies based in Rio De Janeiro, Brazil. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogeology-companies/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
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- Lists A-Z
- New lists
- Hydrogeology companies based in Brisbane, Australia
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Company intelligence · public preview
Top 18 hydrogeology companies based in Rio De Janeiro, Brazil
RevenueBase records 63 matching company records for hydrogeology companies based in Rio De Janeiro, Brazil, with 1,139 tracked contacts and 332 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 18 hydrogeology companies 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 | Sondotécnica Engenhariasondotecnica.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 588 contacts → |
“Sondotécnica was founded in 1954.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Alta Geotecniaaltageotecnia.com HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 73 contacts → |
“Desenvolvemos soluções inovadoras para o gerenciamento, prevenção e redução de riscos geoambientais de projetos, operações e descomissionamentos de grandes ativos de mineração…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Geoprojetos Engenharia Ltdageoprojetos.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 63 contacts → |
“A Geoprojetos é uma empresa especializada em Geotecnia que tem sua história construída ao longo quase 40 anos de experiência onde tem acumulado um vasto acervo técnico com a…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Petrecpetrec.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 29 contacts → |
“PETREC is a technology-based company, 100% Brazilian, spin-off of COPPE/UFRJ, with headquarters in the Business Incubator of UFRJ, located inside the Technological Park at Ilha do…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Core Lab-Solintecsolintec.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 26 contacts → |
“Solintec is now part of Core Laboratories.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Quartic Advisoryquartic-advisory.com HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 14 contacts → |
“Created in 2015 with a startup mindset, we are a team of engineers acting with the integrity and robustness of a law firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | BMP Ambientalbmpambiental.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 13 contacts → |
“BMP is a Brazilian company, formed in 2009, which initially offered only geotechnology services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geosea Investigações Geotécnicasgeosea.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 12 contacts → |
“São quatro áreas de atuação: Geotecnia, Geologia, Geofísica e Mergulho Profissional.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Consig-Saconsigsa.com HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 9 contacts → |
“A ConSIG Soluções Ambientais é uma empresa de consultoria que oferece soluções inovadoras, criativas e práticas através de geotecnologias com alto valor agregado e baixo custo de…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Litologicalitologica.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 7 contacts → |
“Empresa com sede na cidade do Rio de Janeiro, especializada em elaboração de relatórios técnicos para obtenção de licenças ambientais, direito ao uso da água, operação de obras e…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geodrill Engenharia Ltdageodrill.com.br HQ: Rio De Janeiro, BrazilReported employees: 51-200 | Rio De Janeiro, Brazil | 51-200 | Exact match | 7 contacts → |
“Empresa especializada em Sondagem e ensaios geotécnicos Onshore & Nearshore Fundações com Estacas Raiz Contenção de Encostas” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Brazil Petroleum Studiesbrazilpetrostudies.com.br HQ: Rio De Janeiro, BrazilReported employees: 11-50 | Rio De Janeiro, Brazil | 11-50 | Exact match | 5 contacts → |
“BPS brings together undisputed leaders in the Brazilian O&G industry with a fresh vision for the country’s E&P market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cobe Engenharia E Geotecniacobeengenharia.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 4 contacts → |
“O nome COBE representa as iniciais dos sobrenomes de seus fundadores (CO de Coelho e BE de Bertin), dois profissionais do ramo da geotecnia com visões, ideais e experiências…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Abdob Associados Baías DO Brasilabdob.com.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 3 contacts → |
“A ABdoB é uma empresa de consultoria especializada em projetos de engenharia e análises de hidrodinâmica ambiental em corpos de água naturais, continentais e costeiros.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Thetis Consultthetis-consult.com HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 1 contacts → |
“THETIS CONSULT provides consulting and project management in maritime engineering with a focus on the Brazilian market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TAA Outorgas DE Recursos Hídricostaa.eco.br HQ: Rio De Janeiro, BrazilReported employees: 1-10 | Rio De Janeiro, Brazil | 1-10 | Exact match | 1 contacts → |
“A TAA tem como missão ofertar ao mercado soluções eficientes e eficazes para realização de processos de outorga de uso de água e tamponamento de poços através de procedimentos…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 63 company matches
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Hydrogeology companies: dataset insights
September 21, 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
63 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 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 63 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 21, 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 ↗
Hydrogeology companies by metro in Brazil
Questions about this company list
What does Exact match mean for hydrogeology 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 hydrogeology companies did RevenueBase find based in Rio De Janeiro, Brazil?
The saved snapshot records 63 matching company records, 1,139 tracked contacts and 332 verified emails. The public preview displays 18 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 21, 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 18 hydrogeology companies based in Rio De Janeiro, Brazil. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogeology-companies/brazil/rio-de-janeiro.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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