Company lists · Data refreshed September 2026

Top 25 Seismic retrofit companies worldwide

RevenueBase identified 1,045 company matches for seismic retrofit companies worldwide as of September 2026 and tracks 6,909 professional contacts across them, including 1,845 with verified work emails. The United States is the largest market and San Francisco the largest hub.

This list covers company matches for seismic retrofit 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 22, 2026. Country and city lists for seismic retrofit 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 22, 2026 How this list was built
1,045Companies
6,909Contacts tracked
1,845Verified emails
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The 25 largest seismic retrofit companies worldwide

Ranked by team size
Top 25 of 1,045 company matches for seismic retrofit companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchSanta Rosa, CA, United StatesHQ recorded Sep 22, 202651-200122 contacts →

Exact match

“Since 1974, ZFA Structural Engineers (ZFA) has collaborated with public and private clients to help build better structures.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Sep 22, 202651-20083 contacts →

Exact match

“Founded in 1987 by Dr.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchThane, IndiaHQ recorded Sep 22, 2026201-50079 contacts →

Exact match

“Sanrachana has become an industry leader in structural retrofitting in India, over the past 20+ years.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchIndiaHQ recorded Sep 22, 202651-20070 contacts →

Exact match

“Company is a one stop solution shop for all your strucural repairs/rehabilitation and retrifitting work.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchRancho Cucamonga, CA, United StatesHQ recorded Sep 22, 20261,001-5,00063 contacts →

Exact match

“Since 1988, Fibrwrap Construction has specialized in FRP structural strengthening, concrete restoration and masonry restoration.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchPipitea, New ZealandHQ recorded Sep 22, 202651-20062 contacts →

Exact match

“Silvester Clark Consulting Engineers is a New Zealand-owned structural engineering firm, delivering expert services since 1979.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchBelo Horizonte, BrazilHQ recorded Sep 22, 202651-20062 contacts →

Exact match

“A VIATÉCNICA atua na área de consultoria e serviços especiais de engenharia.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202651-20059 contacts →

Exact match

“PARADIGM Structural Engineers, Inc, with offices in San Francisco, Chicago, Dallas, and Arlington (Q1 2027), specializes in the structural design of new buildings and the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchGrumello Del Monte, ItalyHQ recorded Sep 22, 202651-20056 contacts →

Exact match

“Trust, efficiency and innovation are the keys to success.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchBergamo, ItalyHQ recorded Sep 22, 202651-20056 contacts →

Exact match

“Seriana supporta i propri clienti in ogni fase, fornendo soluzioni antisismiche personalizzate e altamente performanti per edifici prefabbricati in calcestruzzo.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchBrentwood, TN, United StatesHQ recorded Sep 22, 202651-20054 contacts →

Exact match

“Stanley D.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202611-5051 contacts →

Exact match

“Established in 1960, Forell Elsesser is a structural engineering innovator.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchLos Angeles, CA, United StatesHQ recorded Sep 22, 202651-20050 contacts →

Exact match

“For over 30 years, Alpha Structural, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchLos Angeles, CA, United StatesHQ recorded Sep 22, 202651-20049 contacts →

Exact match

“At Nabih Youssef Associates Structural Engineers (NYA), we apply the world’s most advanced structural engineering approaches to deliver resilient, efficient, and future-ready…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchNapoli, ItalyHQ recorded Sep 22, 202611-5049 contacts →

Exact match

“Interprogetti Engineering Consulting was established in 1987 in Naples, Italy.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchSantiago, ChileHQ recorded Sep 22, 202651-20045 contacts →

Exact match

“René Lagos Engineers es una empresa internacional de consultoría, especialista en ingeniería estructural sismorresistente y asesorías BIM.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchCairo, EgyptHQ recorded Sep 22, 202611-5044 contacts →

Exact match

“Core engineering company provides high-quality structural design and analysis in addition to forensic structural studies for all types of building A cross all project phases.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchHonolulu, HI, United StatesHQ recorded Sep 22, 202611-5043 contacts →

Exact match

“At BASE, we’ve built a reputation as a structural engineering firm that dramatically lowers project risk.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchChallans, FranceHQ recorded Sep 22, 202611-5042 contacts →

Exact match

“GPH est une entité du groupe NOVAM, au sein du pôle Habitat et géotechnique de l'habitat.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchSan Diego, United StatesHQ recorded Sep 22, 2026201-50038 contacts →

Exact match

“WE SEAMLESSLY INTEGRATE YOUR VISION INTO EVERYDAY LIFE From the classrooms where we study and the hospitals that keep us healthy to the museums and zoos where we create family…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchLima, PeruHQ recorded Sep 22, 202611-5037 contacts →

Exact match

“CDV Ingeniería Antisísmica, empresa 100% peruana con más de 13 años en el mercado, surge con la idea de introducir al país productos innovadores, de gran calidad por estar en un…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 202651-20036 contacts →

Exact match

“HİZMET ALANLARIMIZ YÜKSEK YAPILAR ENDÜSTRİ VE ENERJİ TESİSLERİ TOPLU KONUTLAR HASTANELER TURİSTİK TESİSLER ve AVM'ler DEPREM GÜVENLİK ANALİZLERİ KENTSEL DÖNÜŞÜM PROJELERİ DİĞER…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchLynnwood, WA, United StatesHQ recorded Sep 22, 202611-5033 contacts →

Exact match

“Structural Engineer Services for New Structural Design, Remodels and Additions, Seismic Studies and Retrofit, Building Assessments and Residential.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchGarner, NC, United StatesHQ recorded Sep 22, 202611-5033 contacts →

Exact match

“Founded in 2001, Tyndall Engineering and Design, P.A.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchManila, PhilippinesHQ recorded Sep 22, 202611-5033 contacts →

Exact match

“Petro Jikken combines state-of-the-art research solutions with practical engineering applications acquired through years of seismic evaluation and retrofit experience.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,045 seismic retrofit companies worldwide

See the full list, filter by size, metro and specialty, and access 1,845 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Seismic retrofit companies worldwide at a glance

As of Sep 22, 2026
26.7%Verified-email coverage
6.6Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · San Francisco
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
641
11-50
314
51-200
69
201-500
11
501-1,000
4
1,001-5,000
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 retrofit companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “seismic retrofit 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 1,845 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 22, 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 retrofit companies by location

6 lists · largest first

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

How many seismic retrofit companies are there worldwide?

RevenueBase identified 1,045 company matches for seismic retrofit 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?

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

Which country has the most seismic retrofit companies?

The United States leads with 265 companies, followed by Italy (139) and Türkiye (90). Every seismic retrofit companies list by country and city is linked on this page.

Which city has the most seismic retrofit companies?

San Francisco leads with 26 company records, followed by Los Angeles (23) and Istanbul (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 1,845 professional contacts with verified work emails tracked across these 1,045 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 22, 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.