Company lists · Data refreshed September 2026

Top 25 Enterprise telecommunications providers based in Türkiye

Name: Enterprise telecommunications providers based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 135 companies tracked

RevenueBase identified 135 enterprise telecommunications providers headquartered in Türkiye as of September 2026 and tracks 14,751 professional contacts across them, including 3,245 with verified work emails. Istanbul is the largest hub.

This list covers enterprise telecommunications providers 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 28, 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 28, 2026 86% judged on-target in blind review

135Companies

14,751Contacts tracked

3,245Verified emails

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The 25 largest enterprise telecommunications providers based in Türkiye

Ranked by team size

Top 25 of 135 enterprise telecommunications providers based in Türkiye, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecommunications providers: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Turkcell	Partial evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	5,001-10,000	12,790 contacts →
	Partial evidence “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Source: RevenueBase Database · checked Sep 28, 2026
2	Gentel Telekomünikasyon A.Ş	Partial evidence	Umraniye, TürkiyeHQ checked Sep 28, 2026	51-200	353 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 28, 2026
3	İsttelkom AŞ	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	51-200	103 contacts →
	Indirect evidence “MİSYON; Bilgi teknolojileri, ortak haberleşme altyapı hizmetleri ve sürdürülebilir akıllı şehir projeleri alanlarında iletişim ve teknoloji ihtiyaçlarına yönelik yenilikçi ve…” Source: RevenueBase Database · checked Sep 28, 2026
4	TDM Teknoloji	Indirect evidence	Şişli, TürkiyeHQ checked Sep 28, 2026	51-200	73 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 28, 2026
5	Port Mobile	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	51-200	48 contacts →
	Indirect evidence “Port iş ve dış tic.” Source: RevenueBase Database · checked Sep 28, 2026
6	Netcom A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 28, 2026	11-50	43 contacts →
	Indirect evidence “1986 yılında kurulan Netcom Bilgisayar A.S.” Source: RevenueBase Database · checked Sep 28, 2026
7	Procom	Partial evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	25 contacts →
	Partial evidence “Procom Technology is founded in Istanbul, Turkey by professionals with their long-standing IT and telecommunication sector experience.” Source: RevenueBase Database · checked Sep 28, 2026
8	Cesa Bilişim Teknolojileri	Partial evidence	Kadikoy, TürkiyeHQ checked Sep 28, 2026	51-200	21 contacts →
	Partial evidence “Siemens Enterprise Approwed Partner CESA'nın faaliyet alanlarından en önemlisi Siemens telefon santralleri, telsiz telefon ve normal telefon ürünlerinin montajı ve satış sonrası…” Source: RevenueBase Database · checked Sep 28, 2026
9	Bulutfon	Indirect evidence	Denizli, TürkiyeHQ checked Sep 28, 2026	11-50	20 contacts →
	Indirect evidence “Bulutfon Hakkında: Bulutfon,"Bilgi Teknolojileri ve İletişim Kurumu" tarafından yetkilendirilmiş "Sabit Telefon Hizmeti" lisansına sahiptir, müşterilerine konumdan bağımsız numara…” Source: RevenueBase Database · checked Sep 28, 2026
10	Neti̇n Haberleşme Teknoloji̇leri̇ A.Ş	Indirect evidence	İzmir, TürkiyeHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “As the leading internet service provider in our region, we continue our investments in innovation, technology, and high service quality without slowing down to offer our customers…” Source: RevenueBase Database · checked Sep 28, 2026
11	Artpro Teknoloji̇	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Uzun yıllardır bilişim sektöründe çalışan profesyonel ekibimiz tarafından kurulan ARTPRO, edinilen tecrübelerin müşteri memnuniyeti odaklı bir yaklaşımla yeniden sektöre…” Source: RevenueBase Database · checked Sep 28, 2026
12	Netfactor Telecommunication & Technology Services	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “NetFactor Telekom 2007 yılında telekominikasyon ve internet teknolojileri alanında hizmet vermeye başlamıştır.” Source: RevenueBase Database · checked Sep 28, 2026
13	Babaoğlu İleti̇şi̇m	Indirect evidence	Artuklu, TürkiyeHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “BABAOĞLU İLETİŞİM is an information technology and services company based out of Turkey.” Source: RevenueBase Database · checked Sep 28, 2026
14	İnfitek Bilişim Teknolojileri	Indirect evidence	Yenimahalle, TürkiyeHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence “İnfitek Telekomünikasyon; 2013 yılında Ankara'da kurulmuş olup, iletişim sektöründe faaliyete başlamış dinamik bir oluşumdur.” Source: RevenueBase Database · checked Sep 28, 2026
15	Foniva Telekomünikasyon Hizmetleri A.Ş	Indirect evidence	34394 Şişli/i̇stanbul, TürkiyeHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “Yılların deneyimi ile Telekomünikasyon sektörünün içinden gelen bir ekip olarak, enerjimiz, heyecanımız ve dinamik yapımızla; hizmet verdiğimiz tüm paydaşlarımıza özel çözümler ve…” Source: RevenueBase Database · checked Sep 28, 2026
16	Acts Telecom	Partial evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “ACTS is a telecommunication service provider that focus on international voice carrier services.” Source: RevenueBase Database · checked Sep 28, 2026
17	NAC Telekomünikasyon	Indirect evidence	Küçükçekmece, TürkiyeHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “Şirket Profili 2007’de Fırat Telekom olarak başladığı yolculuğuna 2014 yılından itibaren NAC Telekomünikasyon olarak devam eden ve telekomünikasyon sektöründe verdiği hizmetlerle…” Source: RevenueBase Database · checked Sep 28, 2026
18	Solveline Communication	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “Solveline Telekom, verdiği hizmetlerle, uyguladığı projelerle Telekom sektöründe kendini ispatlamıştır.” Source: RevenueBase Database · checked Sep 28, 2026
19	Mutlucell İletişim Hizmetleri A.Ş	Indirect evidence	Trabzon, TürkiyeHQ checked Sep 28, 2026	11-50	6 contacts →
	Indirect evidence “İletişim sektöründe 10.” Source: RevenueBase Database · checked Sep 28, 2026
20	Proberge	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
21	Veranet Teknoloji A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “UROVO Türkiye Exclusive Distribütörü Veranet; 25 yıllık bilişim ve telekomünikasyon teknolojileri tecrübesi ile 2014 yılında kurulan; her sektörden kurum ve kuruluşlara, 7x24…” Source: RevenueBase Database · checked Sep 28, 2026
22	Avencom Telekom Hizmetleri	Indirect evidence	Kadikoy, TürkiyeHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Avencom Telekom was established in 2010 year in line with sectoral needs.” Source: RevenueBase Database · checked Sep 28, 2026
23	Protim Iletişim LTD	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “ProTim kadrosu uzun yillar Ericsson Turkiye' nin kadrosunda yer almis, telekomünikasyon sektöründe ileri derecede bilgi, tecrübeye sahip genç ve dinamik bir olusumdur.” Source: RevenueBase Database · checked Sep 28, 2026
24	Rtel Global	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “RTel Global Telecom Solutions offers a comprehensive portfolio of voice services for a commitment to work with you to tailor a solution that will maximize your profit potential in…” Source: RevenueBase Database · checked Sep 28, 2026
25	PSA Teknoloji	Indirect evidence	Atasehir, TürkiyeHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “PSA is a dynamic and innovative technology solutions provider that prides itself on the ability to deliver tailored solutions to meet business aspirations and challenges Founded…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise telecommunications providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise telecommunications providers.
Partial evidence: Its own public description names part of enterprise telecommunications providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise telecommunications providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 135 enterprise telecommunications providers based in Türkiye

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Enterprise telecommunications providers based in Türkiye at a glance

As of Sep 28, 2026

22.0%Verified-email coverage

109.3Average contacts per company

11-50Median size (employees)

35.6%Largest-city concentration · Istanbul

Sep 28, 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

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 135 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 enterprise telecommunications providers, 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 “enterprise telecommunications providers”. 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 enterprise telecommunications providers), 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 enterprise telecommunications providers, 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, 3,245 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 28, 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 enterprise telecommunications providers, 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 enterprise telecommunications providers are there based in Türkiye?

RevenueBase identified 135 enterprise telecommunications providers 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?

Turkcell, headquartered in Maltepe, tops this list with the largest team on record.

Which city has the most enterprise telecommunications providers?

Istanbul leads with 48 headquartered companies, followed by Ankara (7) and Izmir (5).

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 3,245 verified decision-maker contacts tracked across these 135 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 28, 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.