Company lists · Data refreshed November 2026

Top 25 Federal systems integrators based in Türkiye

RevenueBase identified 235 company matches for federal systems integrators associated with Türkiye as of November 2026 and tracks 5,646 professional contacts across them, including 1,541 with verified work emails. Istanbul is the largest hub.

This list covers company matches for federal systems integrators 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 5, 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 5, 2026 How this list was built
235Companies
5,646Contacts tracked
1,541Verified emails
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The 25 largest federal systems integrators based in Türkiye

Ranked by team size
Top 25 of 235 company matches for federal systems integrators based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchIstanbul, TürkiyeHQ recorded Nov 5, 2026501-1,0001,573 contacts →

Exact match

“KoçSistem is the leader in information technologies pioneering the sector since 1945, serving both in Turkey and in more than 30 countries from Azerbaijan to Saudi Arabia, from…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 2026501-1,000462 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchİçerenköy, TürkiyeHQ recorded Nov 5, 2026201-500404 contacts →

Exact match

“1995’te Eresoft adıyla kurulan ve 1997’de SAP’nin Türkiye’deki ilk yerel iş ortağı olan şirketimiz, 2005 yılında 10 farklı ülkede faaliyet gösteren BTC Group bünyesine katılarak…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 2026201-500291 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Nov 5, 20261,001-5,000277 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202651-200160 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchAnkara, TürkiyeHQ recorded Nov 5, 2026201-500139 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchİzmir, TürkiyeHQ recorded Nov 5, 202611-50123 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202651-20091 contacts →

Exact match

“Türkiye’de bilişim sektörünün önde gelen firmalarından 4S Bilgi Teknolojileri 1996 yılında Ankara’da kurulmuştur.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202651-20087 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202651-20069 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202651-20068 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202651-20059 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 2026201-50059 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202611-5047 contacts →

Exact match

“Hakkımızda SBI Bilişim kurulduğu günden itibaren, bilgi teknolojileri alanında müşterilerine sunduğu çözümlerle katkı sağlayan bir teknoloji entegratörüdür.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 2026501-1,00044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBeyoglu, TürkiyeHQ recorded Nov 5, 202611-5043 contacts →

Exact match

“APRO Bilgi Teknolojileri A.Ş, Bilgi ve iletişim teknolojileri alanlarında uçtan uca sistem entegrasyonu ve teknoloji hizmetleri sunmaktadır.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202651-20042 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchİzmi̇r, TürkiyeHQ recorded Nov 5, 202611-5042 contacts →

Exact match

“BTE Bilgisayar (Bilgi Teknolojileri Eğitim ve Danışmanlık) 2009 yılında sistem entegratör kimliğiyle IT sektörüne giriş yapmıştır.Profesyonel güçlü kadrosuyla birlikte müşteri…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202651-20036 contacts →

Exact match

“LN was established in 1993 in Ankara/Turkey to operate in the field of Information Technologies (IT).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202651-20031 contacts →

Exact match

“Fides Teknoloji ve Güvenlik Sistemleri, Otomasyon, Elektronik Güvenlik ve Teknolojik Sistemler konularında faaliyet göstermeyi amaç edinerek 1994 yılında kurulmuştur.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchTürkiyeHQ recorded Nov 5, 202651-20030 contacts →

Exact match

“ELSA BİLİŞİM A.Ş.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202651-20030 contacts →

Exact match

“ANTE Grup, 2012 yılında kurulmuştur.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Coretek Bilgi Teknolojileri, müşterilerine yüksek teknoloji bileşenlerini kullanarak, konularında uzman kadrosu ile sektörde bilişim alanında ilerlemeyi hedefleyen kurumların…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSancaktepe, TürkiyeHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“2017’de “Endüstriyel Bilgisayarın Merkezi” vizyonuyla kurulan ICC Dijital Endüstriyel Teknolojiler, İstanbul, Ankara ve Bursa ofislerinin yanı sıra Belçika Antwerp ve Bulgaristan…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 235 federal systems integrators based in Türkiye

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Federal systems integrators based in Türkiye at a glance

As of Nov 5, 2026
27.3%Verified-email coverage
24.0Average contacts per company
11-50Median size (employees)
37.0%Largest-city concentration · Istanbul
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
84
11-50
101
51-200
37
201-500
9
501-1,000
3
1,001-5,000
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 235 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 “federal systems integrators” 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 1,541 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 5, 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 “federal systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many federal systems integrators are there based in Türkiye?

RevenueBase identified 235 company matches for federal systems integrators 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?

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

Which city has the most federal systems integrators?

Istanbul leads with 87 company records, followed by Ankara (28) and Cankaya (7).

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 1,541 professional contacts with verified work emails tracked across these 235 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 5, 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.