Company lists · Data refreshed September 2026

Top 25 Hydrogeological survey companies worldwide

RevenueBase identified 5,040 company matches for hydrogeological survey companies worldwide as of September 2026 and tracks 55,118 professional contacts across them, including 12,676 with verified work emails. Brazil is the largest market and Belo Horizonte the largest hub.

This list covers company matches for hydrogeological survey companies worldwide, 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. Country and city lists for hydrogeological survey companies follow the table.

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 Sep 20, 2026 How this list was built
5,040Companies
55,118Contacts tracked
12,676Verified emails
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The 25 largest hydrogeological survey companies worldwide

Ranked by team size
Top 25 of 5,040 company matches for hydrogeological survey companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchVancouver, CanadaHQ recorded Sep 20, 20261,001-5,0002,259 contacts →

Exact match

“SRK Consulting is an independent, international group providing specialised consultancy services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchJakarta, IndonesiaHQ recorded Sep 20, 20261,001-5,000623 contacts →

Exact match

“ANINDYA is an independent surveying company that provides quality and quantity superintending service for the coal and minerals industry, the oil and gas sector as well as marine…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Sep 20, 2026201-500588 contacts →

Exact match

“Sondotécnica was founded in 1954.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchGreat Yarmouth, United KingdomHQ recorded Sep 20, 2026501-1,000545 contacts →

Exact match

“Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact match4204 King Fahd Road, Saudi ArabiaHQ recorded Sep 20, 20261,001-5,000512 contacts →

Exact match

“ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchAte, BelgiumHQ recorded Sep 20, 20261,001-5,000504 contacts →

Exact match

“Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 2026501-1,000485 contacts →

Exact match

“O Grupo Projeta é formado por empresas de engenharia consultiva, que oferece soluções completas e integradas nas áreas de engenharia civil, meio ambiente, saneamento, recursos…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchMarseille, FranceHQ recorded Sep 20, 20261,001-5,000458 contacts →

Exact match

“Foraco International SA (TSX: FAR) is a leading global mineral drilling services company that provides a comprehensive and reliable service offering in mining and water projects.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMontréal, QC, CanadaHQ recorded Sep 20, 2026501-1,000441 contacts →

Exact match

“Fondé en 1993 et établi dans onze régions du Québec et en Ontario.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact match9001 St. Gallen, SwitzerlandHQ recorded Sep 20, 2026201-500422 contacts →

Exact match

“Geoquip Marine is a geotechnical data acquisition company safely delivering offshore geotechnical site investigations and engineering services to clients worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSharjah, United Arab EmiratesHQ recorded Sep 20, 2026201-500381 contacts →

Exact match

“Headquartered in the UAE, Horizon Geosciences provide marine survey and geotechnical services to an array of clients around the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchZwevegem, BelgiumHQ recorded Sep 20, 2026501-1,000374 contacts →

Exact match

“GEOxyz is an international maritime data company specialized in hydrographic, geophysical, geotechnical and topographical surveys, site investigations, renewable energy support…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchDammam, Saudi ArabiaHQ recorded Sep 20, 2026501-1,000359 contacts →

Exact match

“We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchParlin, NJ, United StatesHQ recorded Sep 20, 2026201-500336 contacts →

Exact match

“CME Associates, with eight (8) office locations throughout New Jersey, provides a complete range of Environmental, Geotechnical, Engineering, Surveying and Planning services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLisbon, PortugalHQ recorded Sep 20, 2026501-1,000325 contacts →

Exact match

“With a marketplace presence of more than three decades, GEOCONTROLE - Geotecnia e Estruturas de Fundação, S.A.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Sep 20, 2026201-500322 contacts →

Exact match

“NIVA's main focus areas are research, environmental monitoring, assessment, consultancy and problem solving in support of decision makers in both the public and private sectors.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchToruń, PolandHQ recorded Sep 20, 20261,001-5,000310 contacts →

Exact match

“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchSherbrooke, QC, CanadaHQ recorded Sep 20, 2026201-500304 contacts →

Exact match

“FTE Drilling (Forages Technic-Eau Inc.) is one of the most specialized companies in the drilling industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchLima, PeruHQ recorded Sep 20, 20261,001-5,000295 contacts →

Exact match

“Más de 25 años de experiencia, en Rock Drill brindamos seguridad e innovación en nuestros servicios de perforación de exploración diamantina, geotécnica, producción y servicios…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchMohamed Bin Zayed City, United Arab EmiratesHQ recorded Sep 20, 2026501-1,000282 contacts →

Exact match

“Capital Surveys was founded in 1996 by Eng.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNorth Vancouver, BC, CanadaHQ recorded Sep 20, 202651-200272 contacts →

Exact match

“As one of Canada’s Top SME Employers in 2025 and North Vancouver Chamber’s Best Employer in 2024, Hatfield provides high-quality environmental and social services for private and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchBogota, ColombiaHQ recorded Sep 20, 2026501-1,000267 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBandung, IndonesiaHQ recorded Sep 20, 2026201-500255 contacts →

Exact match

“KWARSA HEXAGON is an independent consultant company founded in the year of 1982.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 2026201-500252 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 · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBothell, WA, United StatesHQ recorded Sep 20, 20261,001-5,000248 contacts →

Exact match

“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 5,040 hydrogeological survey companies worldwide

See the full list, filter by size, metro and specialty, and access 12,676 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrogeological survey companies worldwide at a glance

As of Sep 20, 2026
23.0%Verified-email coverage
10.9Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Belo Horizonte
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
2,763
11-50
1,602
51-200
490
201-500
99
501-1,000
25
1,001-5,000
25
5,001-10,000
2
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for hydrogeological survey companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “hydrogeological survey 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. 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 12,676 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.

Hydrogeological survey companies by location

22 lists · largest first

Every Hydrogeological survey companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogeological survey companies are there worldwide?

RevenueBase identified 5,040 company matches for hydrogeological survey companies worldwide 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?

SRK Consulting tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most hydrogeological survey companies?

Brazil leads with 435 companies, followed by the United States (375) and the United Kingdom (212). Every hydrogeological survey companies list by country and city is linked on this page.

Which city has the most hydrogeological survey companies?

Belo Horizonte leads with 61 company records, followed by Sao Paulo (43) and Lima (42).

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 12,676 professional contacts with verified work emails tracked across these 5,040 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.

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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.