Company lists · Data refreshed November 2026

Top 25 Hydrogeological survey services based in Brazil

RevenueBase identified 331 company matches for hydrogeological survey services associated with Brazil as of November 2026 and tracks 5,272 professional contacts across them, including 1,103 with verified work emails. Belo Horizonte is the largest hub.

This list covers company matches for hydrogeological survey services associated with Brazil, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
331Companies
5,272Contacts tracked
1,103Verified emails
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The 25 largest hydrogeological survey services based in Brazil

Ranked by team size
Top 25 of 331 company matches for hydrogeological survey services based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026501-1,000408 contacts →

Exact match

“Fundada em 1981, a empresa é focada na execução de serviços especiais de geologia, engenharia geotécnica e recuperação de estruturas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-500328 contacts →

Exact match

“Somos a BVP Geotecnia e Hidrotecnia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNova Lima, BrazilHQ recorded Nov 6, 2026201-500261 contacts →

Exact match

“Since 1989, the company develops waste disposal studies to a wide range of clients embodying different kind of benefited ore, developing specific work methods according to new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“Walm BH Engenharia is a company that operates in the areas of Geotechnical Engineering, Hydrology, Hydraulics, Hydrogeology, Engineering Geology, Rock Mechanics, and Environment &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchParauapebas, BrazilHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

“Há mais de duas décadas, o Grupo Geominas desenvolve soluções técnicas especializadas para engenharia, mineração, infraestrutura e meio ambiente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“Soil and Rock Engineering Projects (Geotechnics), Geology and Water Resources.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBarueri, BrazilHQ recorded Nov 6, 202651-200222 contacts →

Exact match

“Na sua fundação em 1985, o objetivo imediato da empresa era a execução de sondagens a percussão para subsidiar estudos e projetos de fundações, escavações, terraplenos e outras…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-200165 contacts →

Exact match

“São mais de 1,2 mil projetos desenvolvidos nos setores industriais, de mineração, construção civil, abastecimento e agronegócio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNiterói, BrazilHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“3Geo Consulting is a geotechnical and environmental consulting company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“A GEOTHRA – Geologia & Geotecnia, empresa que já nasceu forte e inovadora, com soluções modernas nas áreas de Engenharia, Geologia e Geotécnica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-50099 contacts →

Exact match

“GEOESTÁVEL CONSULTORIA E PROJETOS Com sede própria na cidade mineira de Belo Horizonte, a empresa atua em todo território nacional e internacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202611-5073 contacts →

Exact match

“Somos uma empresa de consultoria, projetos e suporte em geotecnia, geologia, hidrologia e hidráulica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Realizamos estudos e elaboramos projetos nas áreas de Engenharia Hídrica; Gestão Estratégica e Institucional; Meio Ambiente e Socioeconomia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSão Carlos - Sp, BrazilHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Análise de Dados / Investigação Geofísica / RADAR Interferométrico / Monitoramento de Estruturas / Ressonância Microssísmica / Radiometria Gamma / Monitoramento Ambiental / InSAR…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCuritiba, BrazilHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“A GEOLOC atua a nível nacional no ramo ambiental e civil com uma sólida estrutura operacional apresentando soluções diretas e objetivas, oferecendo um corpo técnico formado por…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“A Tec3 é uma empresa de engenharia de projetos especializada em recursos hídricos e geotecnia aplicados aos setores de mineração, hidroenergia, óleo e gás.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“A REGEA - Geologia, Engenharia e Estudos Ambientais, empresa de consultoria com mais de 15 anos de atuação no mercado, está capacitada para executar projetos nas áreas de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMaringá, BrazilHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Serviços de engenharia especializados para o setor energético, com forte atuação em hidrologia, meio ambiente e segurança de barragens.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“A LTW iniciou suas atividades em 1994 com o objetivo de prestar serviços nas áreas de geologia, engenharia e meio ambiente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGarça, BrazilHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“A Engeper Ambiental e Perfurações é a empresa que detém a execução da perfuração mais profunda da América Latina para um Poço de Abastecimento com 1.650m de profundidade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202611-5043 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrasília, BrazilHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“A Progaia Engenharia e Meio Ambiente iniciou suas atividades em 2001, dedicando-se a trabalhos técnicos ligados à engenharia e meio ambiente, desenvolvendo estudos hidrológicos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“A POTAMOS é uma empresa brasileira, criada em 1993, com atuação específica no mercado de Engenharia de Recursos Hídricos, sendo atualmente referência brasileira na área.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“A Brás Engenharia tem como objetivo compreender as necessidades dos clientes, fornecendo-lhes serviços que vão ao encontro delas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“A CEDRO iniciou suas atividades em 2015, aproveitando a vasta experiência de seus sócios na execução de obras.”

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

Showing 25 of 331 hydrogeological survey services based in Brazil

See the full list, filter by size, metro and specialty, and access 1,103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrogeological survey services based in Brazil at a glance

As of Nov 6, 2026
20.9%Verified-email coverage
15.9Average contacts per company
1-10Median size (employees)
14.8%Largest-city concentration · Belo Horizonte
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
196
11-50
85
51-200
30
201-500
10
501-1,000
3
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 331 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 “hydrogeological survey services” 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 1,103 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hydrogeological survey services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogeological survey services are there based in Brazil?

RevenueBase identified 331 company matches for hydrogeological survey services associated with Brazil as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Progeo Engenharia Ltda tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hydrogeological survey services?

Belo Horizonte leads with 49 company records, followed by Sao Paulo (38) and Curitiba (13).

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 1,103 professional contacts with verified work emails tracked across these 331 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

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