Company lists · Data refreshed November 2026

Top 15 Electrical systems testing services based in Türkiye

RevenueBase identified 181 company matches for electrical systems testing services associated with Türkiye as of November 2026 and tracks 1,026 professional contacts across them, including 103 with verified work emails. Istanbul is the largest hub.

This list covers company matches for electrical systems 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
181Companies
1,026Contacts tracked
103Verified emails
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The 15 largest electrical systems testing services based in Türkiye

Ranked by team size
Top 15 of 181 company matches for electrical systems 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 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
2Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“Marke Elektronik is a representative company focused on electrical test equipments and industrial electronic components since 1993.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact matchCayirova, TürkiyeHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“TKey Global olarak faaliyet gösterdiğimiz sektörlerde kalite ve memnuniyeti hedef alarak elektrik sistemlerinin kurulumu, devreye alınması, testleri ve bakım çalışmalarını…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKocaeli, TürkiyeHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Firmamız, elektrik enerjisi üretimi, iletimi ve dağıtımı; enerji tesisleri ile alçak gerilim, orta gerilim ve yüksek gerilim şalt tesisleri, endüstriyel tesisler, enerji üretim…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBeylikdüzü, TürkiyeHQ recorded Nov 6, 2026201-50029 contacts →

Exact match

“Tesla Elektrik; Elektrik Proje Hizmetleri, Elektrik Taahhüt Hizmetleri, Trafo İşletme Sorumluluğu ve Bakım Hizmetleri, Akıllı Ev Sistemleri, Topraklama Ölçüm ve Raporlama…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchSakarya, TürkiyeHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“DUGAN ENERGY is an accredited company according to the 17025 IEC quality system standards by Türkak.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTaşköprü, TürkiyeHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“AG ve Otomasyon Panelleri, Elektrik Enstrüman Montaj, Fiber Optik Test, Sonlandırma ve Raporlama tecrüberlerimiz ile 40 yıldır sizlere hizmet vermekten gurur duyuyoruz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMaltepe, TürkiyeHQ recorded Nov 6, 2026501-1,00018 contacts →

Exact match

“Elektrik Enerji Taahhüt”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchYenimahalle/ankara, TürkiyeHQ recorded Nov 6, 202611-507 contacts →

Exact match

“HIZAL Ltd, established in 1974, has been manufacturing High Voltage Test and Measurement Equipment, Electrical Discharge Machining (EDM) machines, and CNC machines and systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKocaeli, TürkiyeHQ recorded Nov 6, 2026201-5006 contacts →

Exact match

“Elektrik Taahhüt •Müşavirlik ve Mühendislik •Zayıf Akım Sistemleri •Orta Gerilim Tesisleri •Alçak Gerilim Dağıtım Sistemleri •Test ve Devreye Alma”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKocaeli, TürkiyeHQ recorded Nov 6, 202611-504 contacts →

Exact match

“GÜÇ Check-Up Merkezi, güç transformatörleri, orta gerilim kesicileri ve enerji sistemlerinin test, bakım ve durum değerlendirme çalışmalarında uzmanlaşmış bir mühendislik…”

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

Showing 15 of 181 electrical systems testing services based in Türkiye

See the full list, filter by size, metro and specialty, and access 103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical systems testing services based in Türkiye at a glance

As of Nov 6, 2026
10.0%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
14.4%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
109
11-50
54
51-200
10
201-500
4
501-1,000
2

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 181 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 “electrical systems 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 103 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.

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

How many electrical systems testing services are there based in Türkiye?

RevenueBase identified 181 company matches for electrical systems 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?

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 electrical systems testing services?

Istanbul leads with 26 company records, followed by Ankara (10) and Kocaeli (10).

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 103 professional contacts with verified work emails tracked across these 181 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.