Company lists · Data refreshed September 2026

Top 25 Telecommunications systems integration companies based in Türkiye

RevenueBase identified 443 telecommunications systems integration companies headquartered in Türkiye as of September 2026 and tracks 6,179 professional contacts across them, including 1,473 with verified work emails. Istanbul is the largest hub.

This list covers telecommunications systems integration companies headquartered in Türkiye, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
443Companies
6,179Contacts tracked
1,473Verified emails
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The 25 largest telecommunications systems integration companies based in Türkiye

Ranked by team size
Top 25 of 443 telecommunications systems integration companies based in Türkiye, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications systems integration companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceİstanbul, TürkiyeHQ checked Sep 29, 20261,001-5,000426 contacts →

Strong evidence

“Mikrolink is a global systems integrator offering integrated solutions in telecommunications, data center technologies, and information & communication technologies (ICT).”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceIstanbul, TürkiyeHQ checked Sep 29, 2026501-1,000400 contacts →

Indirect evidence

“1998 yılında kurulan Teknoser, günümüzde bilgi ve iletişim teknolojileri pazarının önde gelen sistem entegrasyon ve saha hizmetleri firmasıdır.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceUmraniye, TürkiyeHQ checked Sep 29, 202651-200353 contacts →

Partial evidence

“Gentel Telecommunication was founded in 2006, for developing work areas and work opinions in telecommunication industry with its strong background and experience over 30 years.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceIstanbul, TürkiyeHQ checked Sep 29, 2026201-500271 contacts →

Indirect evidence

“1992 yılında, üniversite döneminden birbirlerini tanıyan 5 kurucu ortak tarafından kurulan Bilgi Birikim Sistemleri; bugün ülkemizin en önemli Bilgi Teknolojileri sistem…”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceAnkara, TürkiyeHQ checked Sep 29, 202651-200197 contacts →

Partial evidence

“Founded in 1980, “ONUR Yüksek Teknoloji A.Ş.” (ONUR) manufactures mission-critical voice/data communication systems and solutions for the defence and civilian sector, with the…”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceİstanbul, TürkiyeHQ checked Sep 29, 202651-200137 contacts →

Indirect evidence

“Sentim Information Technologies is one of the leading companies that introduced the computer technologies in Turkey and pioneered the development and spread of the same in the…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceAnkara, TürkiyeHQ checked Sep 29, 2026201-500130 contacts →

Indirect evidence

“Prime Teknoloji, 30 yılı aşkın bilgi birikimi ve deneyimiyle, Türkiye genelinde 81 ildeki yaygın destek ve hizmet ağıyla özel sektör ve kamu müşterilerine uçtan uca teknoloji…”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceAnkara, TürkiyeHQ checked Sep 29, 202651-200129 contacts →

Partial evidence

“Sekom, over 20 years of experience as a system integrator in the field of IT technologies is a market leader in networking, unified communications, service provider video systems…”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceİzmir, TürkiyeHQ checked Sep 29, 202611-50121 contacts →

Partial evidence

“Our company is mainly a system integrator specialized in the fields of electronics, RF communications and security technologies.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceIstanbul, TürkiyeHQ checked Sep 29, 2026201-50084 contacts →

Partial evidence

“IST Systems, İstanbul Yeni Havalimanı için ICT altyapı, havacılık sistemleri tasarımı ve uygulanması amacıyla 2018 yılında kuruldu.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceAnkara, TürkiyeHQ checked Sep 29, 202651-20082 contacts →

Indirect evidence

“Sistem Entegrasyon | Yazılım Geliştirme | Veri Merkezi Çözümleri | IT Güvenlik Çözümleri | Danışmanlık Servisleri”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceIstanbul, TürkiyeHQ checked Sep 29, 202651-20074 contacts →

Indirect evidence

“Since 1998, Ateksis has been providing technologies that combine innovation, quality and reliability.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceŞişli, TürkiyeHQ checked Sep 29, 202651-20073 contacts →

Indirect evidence

“Since our founding in 1997, we have worked to provide value to our customers by offering customized services with a focus on technology.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceİstanbul, TürkiyeHQ checked Sep 29, 202651-20072 contacts →

Indirect evidence

“Çatı Teknoloji, Türkiye genelinde 34 ildeki yaygın saha organizasyonu ile kurumsal müşterilere yönelik Network, Data Center ve kritik altyapı projelerini uçtan uca yöneten güçlü…”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceIstanbul, TürkiyeHQ checked Sep 29, 202651-20062 contacts →

Indirect evidence

“Bilgi Sistemleri, 2002 yılında bilişim sektöründe "Sistem Entegratörü" olarak faaliyete geçmiştir.”

Source: RevenueBase Database · checked Sep 29, 2026
16Strong evidenceIstanbul, TürkiyeHQ checked Sep 29, 202651-20060 contacts →

Strong evidence

“vMind, offering systems integration and technology services with advanced degrees of expertise in national and international market, also with innovative and effective solutions…”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceİstanbul, TürkiyeHQ checked Sep 29, 2026201-50060 contacts →

Partial evidence

“Destel is a system integrator, established in 2003 in order to meet all kinds of technology requirements of medium and large scale companies.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceKadikoy, TürkiyeHQ checked Sep 29, 202651-20058 contacts →

Indirect evidence

“İHS is one of the pioneer establishments of the ICT sector in Turkey with regard to the value-added projects and the infrastructure services provided.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceİstanbul, TürkiyeHQ checked Sep 29, 202651-20054 contacts →

Indirect evidence

“Ldap; Entegrasyon, telekomünikasyon ve bilişim sektörlerinde, projelendirme, satış, kurulum, bakım, eleman kiralama, profesyonel teknik destek, danışmanlık ve eğitim hizmetleri…”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceİçerenköy, TürkiyeHQ checked Sep 29, 202651-20052 contacts →

Indirect evidence

“Innovating Solutions”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceAnkara, TürkiyeHQ checked Sep 29, 202651-20050 contacts →

Indirect evidence

“Leonardo grubunun bir üyesi olan Leonardo Türkiye, acil durum, taktik ve stratejik haberleşme sistemleri, deniz haberleşme sistemleri, entegre güvenlik sistemleri, hava ve kara…”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceİstanbul, TürkiyeHQ checked Sep 29, 202611-5050 contacts →

Partial evidence

“TEKNOTEL was established in 1984 in order to realize and implement turnkey projects in the Telecommunication sector.”

Source: RevenueBase Database · checked Sep 29, 2026
23Strong evidenceIstanbul, TürkiyeHQ checked Sep 29, 202611-5041 contacts →

Strong evidence

“Fotech is a system integrator and distributor that offers end-to-end solutions in information and communication technologies, telecommunication, and ULV systems, since 1989.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceIstanbul, TürkiyeHQ checked Sep 29, 202651-20040 contacts →

Indirect evidence

“NetCore Bilişim, müşterilerine yüksek teknoloji bileşenleri kullanarak, konularında uzman kadrosu ile sektörde bilişim alanında ilerlemeyi hedefleyen kurumların bilgi ve iletişim…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceIstanbul, TürkiyeHQ checked Sep 29, 2026501-1,00040 contacts →

Indirect evidence

“Bilgi ve iletişim teknolojileri alanında uçtan uca katma değerli çözümler sunmak amacıyla 1995 yılında kurulan İSNET, bu alanda yetişmiş sertifikalı uzman kadrosuyla sektörde…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 443 telecommunications systems integration companies based in Türkiye

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Telecommunications systems integration companies based in Türkiye at a glance

As of Sep 29, 2026
23.8%Verified-email coverage
13.9Average contacts per company
11-50Median size (employees)
36.3%Largest-city concentration · Istanbul
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
163
11-50
190
51-200
70
201-500
11
501-1,000
4
1,001-5,000
4

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 443 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecommunications systems integration companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Türkiye whose own description of what they do matches “telecommunications systems integration companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecommunications systems integration companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among telecommunications systems integration companies, and records with no verified work email. Companies headquartered outside Türkiye are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,473 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecommunications systems integration companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many telecommunications systems integration companies are there based in Türkiye?

RevenueBase identified 443 telecommunications systems integration companies headquartered in Türkiye as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Mikrolink, headquartered in Istanbul, tops this list with the largest team on record.

Which city has the most telecommunications systems integration companies?

Istanbul leads with 161 headquartered companies, followed by Ankara (45) and Cankaya (20).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,473 verified decision-maker contacts tracked across these 443 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.