Company lists · Data refreshed October 2026

Top 25 Engineering testing services based in Türkiye

Name: Engineering testing services based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 405 companies tracked

RevenueBase identified 405 company matches for engineering testing services associated with Türkiye as of October 2026 and tracks 2,887 professional contacts across them, including 263 with verified work emails. Istanbul is the largest hub.

This list covers company matches for engineering testing services 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 October 25, 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 Oct 25, 2026 How this list was built

405Companies

2,887Contacts tracked

263Verified emails

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The 25 largest engineering testing services based in Türkiye

Ranked by team size

Top 25 of 405 company matches for engineering testing services based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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	Alfanorm Endüstriyel Denetim VE Belgelendirme	Exact match	İstnbul, TürkiyeHQ recorded Oct 25, 2026	201-500	98 contacts →
	Exact match “ALFANORM denetim ve belgelendirme sektöründe uzun yıllara dayalı tecrübesi bulunan uzmanlar tarafından kurulmuş bağımsız bir denetim ve belgelendirme firmasıdır.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Udem Belgelendirme A.Ş	Exact match	Ankara, TürkiyeHQ recorded Oct 25, 2026	51-200	97 contacts →
	Exact match “UDEM olarak, 20 yılı aşkın tecrübemiz ile kaliteli, tarafsız ve sektöre öncülük eden uygunluk değerlendirme ve test hizmetleri sunmaktayız.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	Stadia Engineering	Exact match	Çankaya, TürkiyeHQ recorded Oct 25, 2026	51-200	84 contacts →
	Exact match “Stadia Engineering and Consultancy was established in 2018.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Vitsan Gözetim Mümessillik VE Ticaret A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	51-200	78 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Neta Sertifikasyon	Exact match	Bayraklı, TürkiyeHQ recorded Oct 25, 2026	51-200	66 contacts →
	Exact match “NETA Sertifikasyon & Teknik Kontrol, endüstriyel tesisler ve üretim sektörüne yönelik muayene, belgelendirme ve teknik kontrol hizmetleri sunan mühendislik kuruluşudur.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Zemin Etüd VE Tasarım A.Ş	Exact match	Cekmekoy, TürkiyeHQ recorded Oct 25, 2026	51-200	47 contacts →
	Exact match “Zemin Etud ve Tasarim A.S.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	EFK Engineering	Exact match	Çankaya, TürkiyeHQ recorded Oct 25, 2026	51-200	44 contacts →
	Exact match “EFK Engineering is an engineering and design company established in 2004 in Ankara, Turkey.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Efex Elc. Engineering CO	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	51-200	41 contacts →
	Exact match “Efex Engineering provides turn-key solutions to his customers with experienced technical staff, who are certified as “Expert“ in energy sector.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	Quad Plus Otomasyon	Exact match	Bursa, TürkiyeHQ recorded Oct 25, 2026	51-200	40 contacts →
	Exact match “Our Services Professional Engineering Industrial Safety Repair and Field Service Commissioning System Integration Power Services” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Geodestek Ltd. ŞTI	Exact match	Ankara, TürkiyeHQ recorded Oct 25, 2026	11-50	34 contacts →
	Exact match “GeoDestek Zemar Ltd.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Akin Quality Group INC	Exact match	İstanbul, TürkiyeHQ recorded Oct 25, 2026	51-200	32 contacts →
	Exact match “AKIN Kalite Grup A.Ş, merkez ofisi Tuzla istanbul’da olan, ana çalışma alanı Petrol & Gaz, Enerji ve imalat sektörlerinde çalışan firmalara belgelendirme, tahribatlı ve…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	RMC Mühendislik	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	11-50	28 contacts →
	Exact match “Firmamız, 1990 yılında mühendislik hizmeti vermek ve kendi tasarımı mühendislik ürünlerini üretmek amacıyla kurulmuştur.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Uzman Kalite Eğitim Danışmanlık VE Laboratuvar Hizmetleri Ltd. ŞTI	Exact match	İstanbul, TürkiyeHQ recorded Oct 25, 2026	11-50	25 contacts →
	Exact match “Uzman Kalite Eğitim Danışmanlık ve Laboratuvar Hizmetleri, T.C.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	TEM Engineering & Consulting	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	11-50	24 contacts →
	Exact match “TEM is a consulting engineering company providing civil, structural engineering, architectural design, infrastructural engineering, mechanical engineering, electrical engineering…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Büro Statik Mühendislik İnşaat San. VE Tic. Ltd. ŞTI	Exact match	Beşiktaş, TürkiyeHQ recorded Oct 25, 2026	11-50	18 contacts →
	Exact match “Büro Statik Mühendislik İnşaat San.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	ENKON	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	51-200	16 contacts →
	Exact match “Enkon primarily focuses on engineering inspection services with special emphasis in the NDT sector.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	A-Ztech LTD	Exact match	Kadıköy, TürkiyeHQ recorded Oct 25, 2026	11-50	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Endeco Engineering Design Consultancy	Exact match	Ankara, TürkiyeHQ recorded Oct 25, 2026	11-50	16 contacts →
	Exact match “ENDECO is an engineering, design and consultancy company which was established in 2003.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Insperla	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	11-50	14 contacts →
	Exact match “Testing Inspection and Certification Services Accredited Services (welding, material) CE Marking Vendor Inspection” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Di̇ji̇tal Teknoloji̇ Servi̇si̇	Exact match	İstanbul, TürkiyeHQ recorded Oct 25, 2026	11-50	12 contacts →
	Exact match “Test / Deney Laboratuvarı Muayene Laboratuvarı Kalibrasyon Laboratuvarı” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Qcturk Kalite Denetim Belgelendirme Egitim VE Laboratuvar Hiz.Tic.Ltd.Sti	Exact match	Ankara, TürkiyeHQ recorded Oct 25, 2026	11-50	11 contacts →
	Exact match “QCTurk is a consulting and engineering company established in Ankara, serves especially to foreign companies on project management, consulting, trading, expediting of suppliers…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	MBY	Exact match	İstanbul, TürkiyeHQ recorded Oct 25, 2026	1-10	10 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 · Oct 25, 2026 · View company records in RevenueBase
23	LBA Design And Consultancy	Exact match	Ümraniye, TürkiyeHQ recorded Oct 25, 2026	11-50	10 contacts →
	Exact match “LBA has been established in 2015 in order to give Engineering and Consultancy services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	MAG Engineering Services	Exact match	Kartal, TürkiyeHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
25	Mass Laboratuvar VE Danışmanlık Hizmetleri A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Oct 25, 2026	11-50	9 contacts →
	Exact match “Laboratuvar altyapımız ve uzman kadromuz ile söz konusu analiz olduğunda her zaman yanınızdayız!” Recorded in the RevenueBase company graph · Oct 25, 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 “engineering testing services”. 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 405 engineering testing services based in Türkiye

See the full list, filter by size, metro and specialty, and access 263 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engineering testing services based in Türkiye at a glance

As of Oct 25, 2026

9.1%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

18.3%Largest-city concentration · Istanbul

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

253

11-50

112

51-200

201-500

501-1,000

1,001-5,000

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 405 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 “engineering testing services” 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 263 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 October 25, 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.

Engineering testing services by metro

Engineering testing services in Istanbul74

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

How many engineering testing services are there based in Türkiye?

RevenueBase identified 405 company matches for engineering testing services associated with Türkiye as of October 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?

Alfanorm Endüstriyel Denetim VE Belgelendirme tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most engineering testing services?

Istanbul leads with 74 company records, followed by Ankara (50) and Izmir (24).

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 263 professional contacts with verified work emails tracked across these 405 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 October 25, 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.