Company lists · Data refreshed November 2026

Top 25 Seismic design consultants worldwide

RevenueBase identified 6,880 company matches for seismic design consultants worldwide as of November 2026 and tracks 61,061 professional contacts across them, including 22,364 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for seismic design consultants 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 design consultants 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
6,880Companies
61,061Contacts tracked
22,364Verified emails
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The 25 largest seismic design consultants worldwide

Ranked by team size
Top 25 of 6,880 company matches for seismic design consultants 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 matchWaltham, CA, United StatesHQ recorded Nov 6, 2026501-1,000969 contacts →

Exact match

“Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBrisbane, AustraliaHQ recorded Nov 6, 2026501-1,000873 contacts →

Exact match

“Robert Bird Group (RBG), member of the Surbana Jurong Group, is a specialist structural, civil and construction engineering consultancy with over 800 employees across 12 offices…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKennesaw, FL, United StatesHQ recorded Nov 6, 2026501-1,000541 contacts →

Exact match

“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026501-1,000531 contacts →

Exact match

“Great engineering starts with great people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPune, IndiaHQ recorded Nov 6, 2026201-500494 contacts →

Exact match

“JW Consultants LLP is among India's top Structural Consulting firms, providing services to architects, owners, contractors, and developers Since our establishment in 1975 as a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMéxico, MexicoHQ recorded Nov 6, 2026201-500470 contacts →

Exact match

“Con una historia continua de expansión y éxito que abarca más de seis décadas, Postensa es actualmente una de las compañías Consultoras de Ingeniería Estructural más grandes de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCalgary, BC, CanadaHQ recorded Nov 6, 2026201-500405 contacts →

Exact match

“ENTUITIVE BRINGS ENGINEERING AND INTUITION TOGETHER.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLe Haillan, FranceHQ recorded Nov 6, 2026501-1,000395 contacts →

Exact match

“LUSEO is a multidisciplinary building design firm that provides highly specialized engineering and project administration services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500351 contacts →

Exact match

“Founded in 1940, Degenkolb Engineers’ practice reflects more than eight decades of commitment to expertise, client service, and life-long learning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBrentwood, FL, United StatesHQ recorded Nov 6, 2026201-500336 contacts →

Exact match

“Founded in 1989, TRC Worldwide Engineering, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDallas, CO, United StatesHQ recorded Nov 6, 2026201-500299 contacts →

Exact match

“AG & E is the nation's largest structural engineering firm focused on data centers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchMunich, GermanyHQ recorded Nov 6, 2026201-500286 contacts →

Exact match

“SSF is a consulting engineering company owned and operated by German engineers committed to the art of civil, structural and geotechnical engineering specializing in bridges…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 202651-200276 contacts →

Exact match

“JVA, Incorporated is an employee-owned consulting engineering firm with offices in Boulder, Fort Collins, Winter Park, Glenwood Springs, and Denver, Colorado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchArnhemsestraatweg 358, NetherlandsHQ recorded Nov 6, 2026201-500264 contacts →

Exact match

“ABT levert als onafhankelijk ingenieursbureau toegevoegde waarde aan de gebouwde omgeving.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDenver, CO, United StatesHQ recorded Nov 6, 2026201-500237 contacts →

Exact match

“YOUR PROPERTY RISKS, SEEN AND SOLVED.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWalnut Creek, NY, United StatesHQ recorded Nov 6, 202651-200225 contacts →

Exact match

“Founded in 1975, Computers and Structures, Inc.(CSI) is recognized globally as the pioneering leader in software tools for structural and earthquake engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202651-200216 contacts →

Exact match

“IDS is an award-winning engineering and architectural firm offering multidisciplinary consulting services through our staff of 90 professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSeattle, IL, United StatesHQ recorded Nov 6, 202651-200205 contacts →

Exact match

“We engineer the future of the built environment, one structure, skyline, and community at a time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchTokyo, JapanHQ recorded Nov 6, 2026501-1,000190 contacts →

Exact match

“Kozo Keikaku Engineering (KKE) was founded as a structural engineering company in 1956 by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMandaluyong, PhilippinesHQ recorded Nov 6, 202651-200186 contacts →

Exact match

“About Us Founded in 1982 by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchPeterborough, ON, CanadaHQ recorded Nov 6, 202651-200182 contacts →

Exact match

“Cambium is an engineering and consulting firm that guides and supports client decision-making from concept to completion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“LERA Consulting Structural Engineers (LERA) is a M/WBE structural engineering firm providing services to architects, owners, contractors, and developers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNepean, ON, CanadaHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“Paterson Group is a consulting engineering firm widely recognized for our expertise in Geotechnical Engineering, Environmental Engineering, Materials Testing, Hydrogeology…”

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

Showing 25 of 6,880 seismic design consultants worldwide

See the full list, filter by size, metro and specialty, and access 22,364 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Seismic design consultants worldwide at a glance

As of Nov 6, 2026
36.6%Verified-email coverage
8.9Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4,385
11-50
2,009
51-200
355
201-500
39
501-1,000
10
1,001-5,000
7
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 seismic design consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “seismic design consultants” 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 22,364 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 design consultants by location

38 lists · largest first

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

Countries

Cities

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

How many seismic design consultants are there worldwide?

RevenueBase identified 6,880 company matches for seismic design consultants 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?

Simpson Gumpertz & Heger SGH tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most seismic design consultants?

The United States leads with 1,887 companies, followed by Brazil (392) and France (389). Every seismic design consultants list by country and city is linked on this page.

Which city has the most seismic design consultants?

New York leads with 73 company records, followed by Sao Paulo (62) and London (46).

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 22,364 professional contacts with verified work emails tracked across these 6,880 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.