Company lists · Data refreshed November 2026

Top 25 Refinery testing services based in Türkiye

RevenueBase identified 160 company matches for refinery testing services associated with Türkiye as of November 2026 and tracks 2,379 professional contacts across them, including 363 with verified work emails. Istanbul is the largest hub.

This list covers company matches for refinery 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 November 6, 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 6, 2026 How this list was built
160Companies
2,379Contacts tracked
363Verified emails
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The 25 largest refinery testing services based in Türkiye

Ranked by team size
Top 25 of 160 company matches for refinery testing services based in Türkiye, 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 matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“Firmamız, 1962 yılında Türkiye’de gözetim hizmetlerine başlamıştır ve 1990 yılında ilk laboratuvarını kurmuştur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchTürkiyeHQ recorded Nov 6, 20265,001-10,000150 contacts →

Exact match

“Biz SGS’yiz - dünyanın lider gözetim, test ve belgelendirme kuruluşu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“UGETAM is a company based in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchİstnbul, TürkiyeHQ recorded Nov 6, 2026201-50097 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026201-50093 contacts →

Exact match

“ABOUT US: Drawing upon over four decades of expertise, our objective is to elevate inspection and surveillance endeavors to an international standard, thereby enhancing our brand…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20084 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBayraklı, TürkiyeHQ recorded Nov 6, 202651-20070 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 6, 2026 · View company records in RevenueBase
8Exact matchBornova, TürkiyeHQ recorded Nov 6, 202611-5064 contacts →

Exact match

“At A Glance;* Oil & Gas Engineering Company,* Managed by Practicing Refinery Engineers,* Engineering Expertise that Minimizes Cost & Improves Process,* Over 100 Total Project…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchYenimahalle / Ankara, TürkiyeHQ recorded Nov 6, 202651-20061 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchŞişli, TürkiyeHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“2008 yılında; bağımsız, tarafsız ve güvenilir bir hizmet anlayışıyla çıktığımız yolda gururla devam ediyoruz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPendik, TürkiyeHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“İMKOSAN, Tahribatsız Muayene Hizmetleri (Radyografik Muayene, Phased Array & TOFD Muayenesi, Ultrasonik Muayene, Manyetik Parçacık Muayenesi, Sıvı Penetrant Muayenesi, Görsel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchKocaeli, TürkiyeHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Incolab is an international network of accredited inspection and testing companies, serving clients across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20032 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 6, 2026 · View company records in RevenueBase
14Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Alex Stewart Denetim ve Analiz Hizmetleri Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBağcılar, TürkiyeHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Test Analiz ve Belgelendirme; Belgelendirmenin amacı, bir kurum ve kuruluşta işletilen bir yönetim sisteminin ilgili standartlara uyduğunun ve etkin şekilde uygulandığının…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Integrity NDT, Through our industry wide experience of Non-Destructive testing, we deliver a range of services in our approach to plant inspection and asset management, including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Testing Inspection and Certification Services Accredited Services (welding, material) CE Marking Vendor Inspection”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“NODESCO, her zaman müşteri memnuniyeti odaklı çalışarak, organizasyon yapısındaki etkin iletişim ağıyla, sürekli kendini eğiterek ve geliştirerek çalışan ekibiyle, güvenli ve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHatay, TürkiyeHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“If you need any inspection, we are the IDEAL in this job.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchÜmraniye, TürkiyeHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Periyodik kontrol hizmetleri, A tipi periyodik muayene kuruluşu, teknik muayane hizmetleri”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Laboratuvar altyapımız ve uzman kadromuz ile söz konusu analiz olduğunda her zaman yanınızdayız!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Mühendislik, Laboratuvar, Belgelendirme, Muayene.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-507 contacts →

Exact match

“NDT and Inspection”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261-106 contacts →

Exact match

“ITS GÖZETİM MUAYENE VE EĞİTİM HİZMETLERİ olarak kalite, test, gözetim ve belgelendirme alanlarında hizmet vermekteyiz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-505 contacts →

Exact match

“ECONINS considers operating by developing itself in the projects which it has undertaken with the spirit of team work as a duty.”

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

Showing 25 of 160 refinery testing services based in Türkiye

See the full list, filter by size, metro and specialty, and access 363 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Refinery testing services based in Türkiye at a glance

As of Nov 6, 2026
15.3%Verified-email coverage
14.9Average contacts per company
11-50Median size (employees)
26.2%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
60
11-50
59
51-200
27
201-500
7
501-1,000
3
1,001-5,000
1
5,001-10,000
1
10001+
1

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 160 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 “refinery 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 363 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.

Refinery testing services by metro

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

How many refinery testing services are there based in Türkiye?

RevenueBase identified 160 company matches for refinery testing 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?

Intertek Turkey-Its C.B tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most refinery testing services?

Istanbul leads with 42 company records, followed by Ankara (19) and Izmir (9).

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 363 professional contacts with verified work emails tracked across these 160 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.