Company lists · Data refreshed September 2026

Top 25 Seismic engineering companies based in Türkiye

Name: Seismic engineering companies based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 298 companies tracked

RevenueBase identified 298 company matches for seismic engineering companies associated with Türkiye as of September 2026 and tracks 1,608 professional contacts across them, including 130 with verified work emails. Istanbul is the largest hub.

This list covers company matches for seismic engineering companies associated with Türkiye, 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 17, 2026.

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 17, 2026 How this list was built

298Companies

1,608Contacts tracked

130Verified emails

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The 25 largest seismic engineering companies based in Türkiye

Ranked by team size

Top 25 of 298 company matches for seismic engineering companies based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kasktaş	Exact match	Beşiktaş, TürkiyeHQ recorded Sep 17, 2026	201-500	167 contacts →
	Exact match “KASKTAŞ’ın doğuşu, 1957 yılında kurulan ve günümüzde dünyanın en büyük taahhüt firmaları arasında yer alan ENKA İnşaat ve Sanayi A.Ş.’ye dayanmaktadır.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	İksa Mühendislik	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	501-1,000	118 contacts →
	Exact match “IKSA Engineering Consultancy Construction Industry and Trade Inc; with its expert technical staff, numerous technological machinery and successfully concluded domestic and foreign…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Zemin Etüd VE Tasarım A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Perform Mühendi̇sli̇k	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	51-200	36 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 17, 2026 · View company records in RevenueBase
5	TDG Deprem VE Yapı Sağlığı İzleme Sistemleri	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	11-50	34 contacts →
	Exact match “TDG researches, develops and offers innovative & high-end isntruments, data acquisition systems, sensors, servo-testing machines and earthquake simulators, that rapidly adapt and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Geodestek Ltd. ŞTI	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “GeoDestek Zemar Ltd.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Ti̇s Teknolojik İzolatör Sistemleri	Exact match	Kahramankazan, TürkiyeHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “Founded in 2014 in Ankara, Turkey, TİS Teknolojik İzolatör Sistemleri A.Ş, is the first domestic company to design, manufacture and sell friction pendulum type earthquake…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	PROBI	Exact match	Besiktas, TürkiyeHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Probi is a structural engineering and design consultancy based in İstanbul, founded in 1984 by Fikret Berker.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Ural Engineering	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “URAL Engineering Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Ulus Yapi	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Uygarlık tarihi heyecan verici dönüşümlerle dolu.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	LBA Design And Consultancy	Exact match	Ümraniye, TürkiyeHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “LBA has been established in 2015 in order to give Engineering and Consultancy services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Fides Mühendislik	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Bünyesinde jeoloji, maden ve çevre mühendisliğinin yanı sıra çeşitli disiplinlerden oluşan tecrübeli uzman kadrosu ile her geçen gün büyümeye devam eden FİDES MÜHENDİSLİK…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	MBY	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	1-10	11 contacts →
	Exact match “Founded in 2011 Istanbul, MBY has taken part in iconic projects all around the globe, spanning five continents.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	INR Consulting & Engineering INC	Exact match	Cankaya, TürkiyeHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “INR provides worldwide consulting and engineering services especially in mining projects mainly associated with geological, geotechnical, and hydraulic engineering disciplines.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	MAG Engineering Services	Exact match	Kartal, TürkiyeHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Our company has always targetted providing quality engineering services by following the latest technology with its knowledge and experience on Marine Structures for more than 30…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Miyamoto International Türkiye	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	51-200	7 contacts →
	Exact match “Miyamoto International is a global earthquake + structural engineering and project management company, having provided engineering design services since 1946 more than projects…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Fago ZEP Sismik İzolasyon	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Fago ZEP, Zhejiang Earthquake Prevention Technology Co, Ltd.’nin Türkiye’deki doğrudan yapılanması olup, şirketin kendi bünyesi altında faaliyet göstermekteyiz.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	İndis Mühendislik	Exact match	İstanbul, TürkiyeHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Tarihi Eser, Güçlendirme, Betonarme, Ahşap ve Çelik Proje Hesabı yapan firmamız 25 seneyi aşkın bir süredir hizmet vermektedir.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	KRG Müşavirlik Mühendislik Mimarlık	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “2013 yılından beri faaliyetlerine devam etmekte olan KRG Müşavirlik Mühendislik Mimarlık olarak, mühendis ve mimarlardan oluşan ekibimizle, her geçen gün gelişen dünyanın…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Yato Yapısal Tasarım Ofisi	Exact match	Çekmeköy, TürkiyeHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “YApısal Tasarım Ofisi (YATO) YATO Mühendislik, inşaat mühendisliği ve yapı tasarımı konusunda 15 yılı aşan bir sürede toplanan teknik bilgi ve sürekli artmakta olan deneyimlerle…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	YLD Yildirim Mühendislik A.Ş	Exact match	Maltepe, TürkiyeHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Betonarme, çelik, yığma, karma her türlü yapı için öncelikle mevcut durum deprem performans analizi ve güçlendirme olmak üzere her türlü mühendislik tasarımı, tasarım kontrolü…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	GCO İnşaat Taahhüt VE Mühendislik San. Tic. Ltd. ŞTI	Exact match	İzmit, TürkiyeHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “GCO İnşaat Taahhüt ve Mühendislik Sanayi Ticaret Limited Şirketi İnşaat, Harita ve Jeofizik Mühendisliği tecrübesinin bir araya getirilmesiyle kurulmuş bir şirkettir.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Matris Engineering & Consultancy	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “MATRiS Engineering & Consultancy MATRiS is a full service structural engineering consulting firm located in Ankara, Turkey.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Senso Engineering	Exact match	Istanbul, TürkiyeHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Senso Engineering is a firm that has been established to provide solutions to industry by employing smart technologies in structural safety and monitoring.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	E2k Engineering & Consultancy	Exact match	Sisli, TürkiyeHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “E2K 2021 yılında İstanbul’da kurulmuş olup, yapısal tasarım ve deprem mühendisliği alanında hizmet vermektedir.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “seismic engineering companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 298 seismic engineering companies based in Türkiye

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Seismic engineering companies based in Türkiye at a glance

As of Sep 17, 2026

8.1%Verified-email coverage

5.4Average contacts per company

1-10Median size (employees)

23.2%Largest-city concentration · Istanbul

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

190

11-50

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 298 companies.

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.
What qualifies: Company records associated with Türkiye whose business descriptions match “seismic engineering 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 130 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 17, 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.

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

How many seismic engineering companies are there based in Türkiye?

RevenueBase identified 298 company matches for seismic engineering companies associated with Türkiye 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?

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

Which city has the most seismic engineering companies?

Istanbul leads with 69 company records, followed by Ankara (36) and Cankaya (16).

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 130 professional contacts with verified work emails tracked across these 298 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 17, 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.