Company lists · Data refreshed November 2026

Top 25 Seismic evaluation companies worldwide

RevenueBase identified 2,275 company matches for seismic evaluation companies worldwide as of November 2026 and tracks 22,012 professional contacts across them, including 6,420 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers company matches for seismic evaluation 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 November 6, 2026. Country and city lists for seismic evaluation 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 Nov 6, 2026 How this list was built
2,275Companies
22,012Contacts tracked
6,420Verified emails
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The 25 largest seismic evaluation companies worldwide

Ranked by team size
Top 25 of 2,275 company matches for seismic evaluation companies worldwide, 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 matchHouston, AB, United StatesHQ recorded Nov 6, 2026201-500671 contacts →

Exact match

“SAExploration offers a full range of geophysical ground acquisition services from design, prospecting, drilling, recording and analysis of field quality, as well as mobilization…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWest Ryde, AustraliaHQ recorded Nov 6, 2026501-1,000491 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchOslo, NorwayHQ recorded Nov 6, 2026201-500440 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchDammam, Saudi ArabiaHQ recorded Nov 6, 2026501-1,000376 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBogota, ColombiaHQ recorded Nov 6, 2026501-1,000363 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBurnaby, NJ, CanadaHQ recorded Nov 6, 2026501-1,000347 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchToruń, PolandHQ recorded Nov 6, 20261,001-5,000347 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Ramon, CA, United StatesHQ recorded Nov 6, 2026201-500294 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOosterbeek, NetherlandsHQ recorded Nov 6, 2026201-500232 contacts →

Exact match

“Welkom bij SOCOTEC Nederland!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKanata, ON, CanadaHQ recorded Nov 6, 202651-200214 contacts →

Exact match

“From mission-critical seismic arrays and tsunami warning systems in over 90 countries across the globe, to induced seismicity monitoring and frac monitoring for the energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGloucester, United KingdomHQ recorded Nov 6, 202651-200202 contacts →

Exact match

“Geotechnical is the leading independent provider of ground investigation in the UK, offering comprehensive intrusive surveys since 1961.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDenver, CO, United StatesHQ recorded Nov 6, 2026201-500197 contacts →

Exact match

“CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“ESG Solutions is a world leader in passive microseismic monitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWesterville, OH, United StatesHQ recorded Nov 6, 202651-200150 contacts →

Exact match

“Geotechnical Consultants, Inc.(GCI) is a professional geo-engineering firm headquartered in greater Columbus, Ohio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMerignac Cedex, FranceHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Temsol est reconnue depuis 50 ans comme le spécialiste dans les domaines de la géotechnique, des structures et de l’environnement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAbbotsford, CanadaHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“FSG Geotechnics + Foundations is a leading geotechnical engineering consulting practice which provides specialised geotechnical advice across a range of industry sectors including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVilleneuve-le-roi, FranceHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Filiale du Groupe SEMOFI, acteur majeur des filières géotechnique et SSP, SEMOFI est un bureau d’études dont la vocation est d’accompagner les collectivités territoriales…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNess Ziona, IsraelHQ recorded Nov 6, 202611-5098 contacts →

Exact match

“Ecolog Engineering Ltd.(Ecolog) is a private consulting and design firm specializing in earth science application on environmental and engineering projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Founded in 1987 by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchEynsham, United KingdomHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Zetica is the UK’s leader in engineering and environmental geophysics, with an enviable reputation for objective advice, novel problem solving, consistently high-quality surveys…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Sdii Global Corporation (SDII) is an industry-leading forensic engineering and earth sciences firm, recognized by its clients as the foremost source of experts to have as their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Specialist in Real-Time Completions Intelligence for Fracture Geometry & Efficiency | Geohazards | Stress Field | CCUS | Geothermal | FDI | Sinkhole Detection | Induced Seismicity…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLouisville, NC, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Since 1989, BDI has been the premier provider of bridge and building diagnostic stress and vibration testing, structural monitoring, and nondestructive evaluation services around…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDurham, United KingdomHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Dunelm has 50 years’ experience as leaders in the field of ground investigation, providing site investigation services on a national scale at competitive prices.”

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

Showing 25 of 2,275 seismic evaluation companies worldwide

See the full list, filter by size, metro and specialty, and access 6,420 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Seismic evaluation companies worldwide at a glance

As of Nov 6, 2026
29.2%Verified-email coverage
9.7Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,373
11-50
644
51-200
184
201-500
28
501-1,000
10
1,001-5,000
3
5,001-10,000
1
10001+
3

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 seismic evaluation companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “seismic evaluation 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 6,420 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.

Seismic evaluation companies by location

14 lists · largest first

Every Seismic evaluation 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 “seismic evaluation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many seismic evaluation companies are there worldwide?

RevenueBase identified 2,275 company matches for seismic evaluation companies worldwide 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?

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

Which country has the most seismic evaluation companies?

The United States leads with 413 companies, followed by Italy (178) and France (130). Every seismic evaluation companies list by country and city is linked on this page.

Which city has the most seismic evaluation companies?

Istanbul leads with 24 company records, followed by Calgary (23) and Houston (22).

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 6,420 professional contacts with verified work emails tracked across these 2,275 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.