Company lists · Data refreshed September 2026

Top 25 Liquefaction assessment firms worldwide

RevenueBase identified 4,110 company matches for liquefaction assessment firms worldwide as of September 2026 and tracks 52,919 professional contacts across them, including 15,668 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for liquefaction assessment firms 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 liquefaction assessment firms 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
4,110Companies
52,919Contacts tracked
15,668Verified emails
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The 25 largest liquefaction assessment firms worldwide

Ranked by team size
Top 25 of 4,110 company matches for liquefaction assessment firms 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 matchEdmonton, AB, CanadaHQ recorded Sep 20, 2026501-1,000480 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchKgs. Lyngby (copenhagen), DenmarkHQ recorded Sep 20, 2026201-500468 contacts →

Exact match

“Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchWest Ryde, AustraliaHQ recorded Sep 20, 2026501-1,000466 contacts →

Exact match

“Welcome to Douglas Partners Pty Ltd, a leading engineering consultancy specialising in geotechnics, rock mechanics, environment, groundwater, earthworks and geophysics.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchAbingdon, MD, United KingdomHQ recorded Sep 20, 2026501-1,000460 contacts →

Exact match

“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchChennai, IndiaHQ recorded Sep 20, 2026501-1,000458 contacts →

Exact match

“Overview In 2012, L&T acquired a huge fleet of sophisticated foundation equipment and L&T GeoStructure - a unique legal business entity, was formed to focus, capture and build…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Sep 20, 2026501-1,000449 contacts →

Exact match

“Ninyo & Moore was acquired by SOCOTEC US.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchQuetigny, FranceHQ recorded Sep 20, 2026501-1,000441 contacts →

Exact match

“Groupe Géotec, bureau d’études en ingénierie géotechnique et environnementale, créé en 1973, conseille l’ensemble des interlocuteurs de l’acte de construire : maîtres d’ouvrage…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchAlbion, AustraliaHQ recorded Sep 20, 20261,001-5,000423 contacts →

Exact match

“Construction Sciences is a construction materials testing, geotechnical engineering, environmental consulting and specialised testing firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchOslo, NorwayHQ recorded Sep 20, 2026201-500418 contacts →

Exact match

“NGI – The Norwegian Geotechnical Institute – is an independent research centre in the field of geotechnical engineering and the engineering geosciences.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 2026201-500418 contacts →

Exact match

“A Chammas acredita que a engenharia aplicada com rigor e seriedade contribui para um mundo mais seguro e sustentável; Desenvolvemos soluções eficazes, combinando expertise humana…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 2026501-1,000400 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 · 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 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
15Exact matchBurnaby, BC, CanadaHQ recorded Sep 20, 2026501-1,000321 contacts →

Exact match

“ConeTec is a full-service geotechnical, geoenvironmental, and mining site investigation contractor.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchPerth, United StatesHQ recorded Sep 20, 2026201-500307 contacts →

Exact match

“CMW Geosciences is a specialist geotechnical consultancy delivering first-class geotech engineering services throughout Australia and New Zealand.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchAnnapolis Junction, MD, United StatesHQ recorded Sep 20, 2026201-500299 contacts →

Exact match

“Hillis-Carnes Engineering Associates, Inc.(HCEA) is a Mid-Atlantic based, multi-disciplined consulting engineering firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 2026201-500286 contacts →

Exact match

“Somos a BVP Geotecnia e Hidrotecnia.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchSan Ramon, CA, United StatesHQ recorded Sep 20, 2026201-500282 contacts →

Exact match

“ENGEO Incorporated is an award-winning, employee-owned comprehensive provider of more than 400 geotechnical and civil engineers, geologists, GIS experts, environmental scientists…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchParauapebas, BrazilHQ recorded Sep 20, 2026201-500245 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 · Sep 20, 2026 · View company records in RevenueBase
22Exact matchSurco, PeruHQ recorded Sep 20, 20265,001-10,000239 contacts →

Exact match

“Soletanche Bachy es la empresa de geotécnica más grande del mundo y está especializada en todos los aspectos de la geotecnia moderna e ingeniería de cimentaciones.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchRepentigny, QC, CanadaHQ recorded Sep 20, 2026201-500235 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 2026201-500232 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchNorth Ryde, AustraliaHQ recorded Sep 20, 202651-200223 contacts →

Exact match

“PSM provides specialised design and investigation services for engineering in rock, soil and water.”

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

Showing 25 of 4,110 liquefaction assessment firms worldwide

See the full list, filter by size, metro and specialty, and access 15,668 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Liquefaction assessment firms worldwide at a glance

As of Sep 20, 2026
29.6%Verified-email coverage
12.9Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,934
11-50
1,490
51-200
515
201-500
103
501-1,000
28
1,001-5,000
13
5,001-10,000
1
10001+
1

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 liquefaction assessment firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “liquefaction assessment firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. 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 15,668 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.

Liquefaction assessment firms by location

21 lists · largest first

Every Liquefaction assessment firms 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 “liquefaction assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many liquefaction assessment firms are there worldwide?

RevenueBase identified 4,110 company matches for liquefaction assessment firms 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?

Thurber Engineering LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most liquefaction assessment firms?

The United States leads with 604 companies, followed by Brazil (354) and France (220). Every liquefaction assessment firms list by country and city is linked on this page.

Which city has the most liquefaction assessment firms?

Sao Paulo leads with 59 company records, followed by Belo Horizonte (48) and Tehran (31).

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 15,668 professional contacts with verified work emails tracked across these 4,110 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.