Company lists · Data refreshed November 2026

Top 23 Tester calibrating services based in Türkiye

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

Compiled by the RevenueBase Data Team Data refreshed Nov 2, 2026 114 companies tracked

RevenueBase identified 114 company matches for tester calibrating services associated with Türkiye as of November 2026 and tracks 2,281 professional contacts across them, including 360 with verified work emails. Istanbul is the largest hub.

This list covers company matches for tester calibrating 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 November 2, 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 Nov 2, 2026 How this list was built

114Companies

2,281Contacts tracked

360Verified emails

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The 23 largest tester calibrating services based in Türkiye

Ranked by team size

Top 23 of 114 company matches for tester calibrating services based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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	TÜV Austria Turk	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 2026	1,001-5,000	201 contacts →
	Exact match “TÜV AUSTRIA TURK: Güvenilir Çözüm Ortağınız 1872 yılında temelleri atılan TÜV AUSTRIA Grubu, tarafsız ve bağımsız bir kuruluş olarak kalite kontrol, belgelendirme, test, teknik…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2	Nanolab Laboratuvarlar Grubu	Exact match	İstanbul, TürkiyeHQ recorded Nov 2, 2026	201-500	190 contacts →
	Exact match “Sürdürülebilirlik Ve Kalite Hizmet kalitemizin sürdürülebilirliğinin sağlanması en önemli sorumluluklarımızın başında gelmektedir.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3	Intertek Turkey-Its C.B	Exact match	İstanbul, TürkiyeHQ recorded Nov 2, 2026	201-500	161 contacts →
	Exact match “Firmamız, 1962 yılında Türkiye’de gözetim hizmetlerine başlamıştır ve 1990 yılında ilk laboratuvarını kurmuştur.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4	SGS Türkiye	Exact match	TürkiyeHQ recorded Nov 2, 2026	5,001-10,000	131 contacts →
	Exact match “Biz SGS’yiz - dünyanın lider gözetim, test ve belgelendirme kuruluşu.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5	Ugetam İstanbul Uygulamalı GAZ VE Enerji Teknolojileri Araştırma Mühendislik A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 2026	51-200	105 contacts →
	Exact match “UGETAM is a company based in Turkey.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6	Udem Belgelendirme A.Ş	Exact match	Ankara, TürkiyeHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
7	Vitsan Gözetim Mümessillik VE Ticaret A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 2026	51-200	78 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8	Neta Sertifikasyon	Exact match	Bayraklı, TürkiyeHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
9	Probo Assurance Services	Exact match	Yenimahalle / Ankara, TürkiyeHQ recorded Nov 2, 2026	51-200	60 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10	Inspecco	Exact match	Ümraniye, TürkiyeHQ recorded Nov 2, 2026	51-200	41 contacts →
	Exact match “INSPECCO is your accredited service provider for international certification, inspection, measurement, and training.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11	Akin Quality Group INC	Exact match	İstanbul, TürkiyeHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
12	Yamer Industrial Products	Exact match	TürkiyeHQ recorded Nov 2, 2026	11-50	23 contacts →
	Exact match “Yamer Endustriyel Urunler Ticaret Ltd.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13	Gemar Environmental Analysis And Measurement Limited	Exact match	Çanakkale, TürkiyeHQ recorded Nov 2, 2026	11-50	22 contacts →
	Exact match “GEMAR has provided analyses and measurement services in environmental and health & safety issues throughout Turkey.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14	Insperla	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
15	Cadem Metrology	Exact match	Bursa, TürkiyeHQ recorded Nov 2, 2026	11-50	13 contacts →
	Exact match “Kalite Kontrolde Kusursuzluk Mümkün!” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16	Di̇ji̇tal Teknoloji̇ Servi̇si̇	Exact match	İstanbul, TürkiyeHQ recorded Nov 2, 2026	11-50	12 contacts →
	Exact match “Test / Deney Laboratuvarı Muayene Laboratuvarı Kalibrasyon Laboratuvarı” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17	Egemet Kalibrasyon	Exact match	Karacaoğlan, TürkiyeHQ recorded Nov 2, 2026	11-50	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18	Mass Laboratuvar VE Danışmanlık Hizmetleri A.Ş	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
19	Enerji Kalibrasyon	Exact match	İstanbul, TürkiyeHQ recorded Nov 2, 2026	1-10	5 contacts →
	Exact match “Enerji Kalibrasyon Sanayi ve Ticaret Limited Şirketi** 2016 yılında kurulan ve ISO/IEC 17025 Kalibrasyon Laboratuvarları Kalite Standardı'na göre akredite olan Enerji Kalibrasyon…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20	Marmatek	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 2026	11-50	4 contacts →
	Exact match “MARMATEK 2004 yılından bugüne, ülkemizin lider firmalarının ve üniversitelerinin araştırma, geliştirme ve kalite faaliyetlerinde karşılaştıkları zorlu test ve ölçüm ihtiyaçlarına…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21	AVL Kalibrasyon Laboratuvarı	Exact match	Ankara, TürkiyeHQ recorded Nov 2, 2026	1-10	4 contacts →
	Exact match “AVL Kalibrasyon Laboratuarı 2010 Yılında ana hedef olarak ses seviyesi ölçüm cihazları ve ivme ölçerlerin kalibrasyon hizmetini sunmak için kurulmuştur.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22	Metagen LTD	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 2026	1-10	2 contacts →
	Exact match “TR Metagen Ölçüm ve Kalibrasyon Danışmanlık Hizmetleri San.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23	Tsi̇ Belgelendi̇rme	Exact match	Istanbul, TürkiyeHQ recorded Nov 2, 2026	1-10	2 contacts →
	Exact match “TSİ Uluslararası Belgelendirme Denetim ve Eğitim Hizmetleri Ltd.” Recorded in the RevenueBase company graph · Nov 2, 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 “tester calibrating 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 23 of 114 tester calibrating services based in Türkiye

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Tester calibrating services based in Türkiye at a glance

As of Nov 2, 2026

15.8%Verified-email coverage

20.0Average contacts per company

11-50Median size (employees)

29.8%Largest-city concentration · Istanbul

Nov 2, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 114 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 “tester calibrating 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 360 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 2, 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 “tester calibrating services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tester calibrating services are there based in Türkiye?

RevenueBase identified 114 company matches for tester calibrating services associated with Türkiye 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?

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

Which city has the most tester calibrating services?

Istanbul leads with 34 company records, followed by Yenimahalle (9) and Izmir (8).

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 360 professional contacts with verified work emails tracked across these 114 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 2, 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.