Company lists · Data refreshed September 2026
Top 25 Telecom engineering contractors based in Türkiye
RevenueBase identified 235 telecom engineering contractors headquartered in Türkiye as of September 2026 and tracks 3,294 professional contacts across them, including 520 with verified work emails. Istanbul is the largest hub.
This list covers telecom engineering contractors 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 19, 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.
The 25 largest telecom engineering contractors based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 328 contacts → | ||||
Indirect evidence “ULAK COMMUNICATIONS Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 187 contacts → | ||||
Indirect evidence “Turkcell Bölge Çözüm Ortağı olarak Yılında kurulan NTM, Telekomünikasyon, Enerji ve İletişim sektörlerinde uçtan uca çözümler üretirken, “Güvenirlik, Teknoloji ve Müşteri…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 171 contacts → | ||||
Partial evidence “IRIS was founded in with the target of providing high quality engineering services to cellular operators and suppliers in Turkey, and the region.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 92 contacts → | ||||
Indirect evidence “İŞKAYA İnşaat San.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 72 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 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 61 contacts → | ||||
Partial evidence “Sigma Telecom was founded in 2003 to provide high quality telecommunication infrastructure services including; optimisation, planning and drive testing.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 36 contacts → | ||||
Indirect evidence “Mainty Teknoloji A.Ş; Ağ ve Altyapı, Sistem, Güvenlik Sistemleri ve Telekomünikasyon Servisleri alanlarında kurulum, bakım ve servis hizmetlerini gerçekleştiren bir teknoloji…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 29 contacts → | ||||
Indirect evidence “Global Tower is Turkey's first and only tower infrastructure service provider whose core business is to supply professional renting, installation, and maintenance services for…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 29 contacts → | ||||
Indirect evidence “Your best international partner.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 28 contacts → | ||||
Partial evidence “Uskom has emerged from the merger of former Leopar and Usluel Communication System Groups with the aim of becoming a reference integrator / contracting company for engineering…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 27 contacts → | ||||
Indirect evidence “AstraG is a global signalling company that provides interlocking and central management solutions in railway sector.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 20 contacts → | ||||
Partial evidence “Telecommunication firm from Turkey Orbitel is a service supplier company, operating globally, contracting to plan, deploy, maintain and upgrade cellular networks by offering…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Indirect evidence “1994 yılında kalite ve dürüstlüğü ilke edinerek Bursa ve Türkiye’deki sanayi kuruluşlarının yanında olabilmek, ihtiyaçları zamanında karşılayabilmek için taahhüt, tesisat, proje…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Partial evidence “We are a full-time engineering company who offer our services to analyze your needs and requirements to digital transformation technology standards.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 15 contacts → | ||||
Indirect evidence “BABAOĞLU İLETİŞİM is an information technology and services company based out of Turkey.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 14 contacts → | ||||
Strong evidence “As Novinet, we offer telecommunication infrastructure and electronic security systems solutions (CCTV, PAVA, etc.) and engineering services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Indirect evidence “2002 senesinde kurulmuş olan Eksen Elektrik İletişim Limited Şirketi, verimerkezi tasarım, danışmanlık, proje yönetimi ve kurulum, bilgisayar altyapı uygulamaları, zayıf ve…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Strong evidence “Electra Telecom is an independent engineering and consulting firm that combines deep knowledge in wireless telecommunication industry with specialized expertise in operations…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Indirect evidence “İnfitek Telekomünikasyon; 2013 yılında Ankara'da kurulmuş olup, iletişim sektöründe faaliyete başlamış dinamik bir oluşumdur.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Güzel bir gelecek için çalışıyoruz!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 contacts → | ||||
Indirect evidence “Firmamız, sahip olduğu tecrübe ve bilgi birikimini kullanarak, müşterilerine Konteyner Veri Merkezi ve Sistem Odası, Bina içi, Kampüs ve Geniş Alanlarda, Elektronik İş, Mobil…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “Elektrik Taahhüt •Müşavirlik ve Mühendislik •Zayıf Akım Sistemleri •Orta Gerilim Tesisleri •Alçak Gerilim Dağıtım Sistemleri •Test ve Devreye Alma” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “HAKKIMIZDA NATRON, Anahtar teslimi yurt içi ve yurt dışı inşaat, elektrik ve mekanik taahhüt projelerini, teknolojiyi yakından takip eden deneyimli uzman kadrosu ve nitelikli iş…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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: telecom engineering contractors. 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 telecom engineering contractors.
- Partial evidence
- Its own public description names part of telecom engineering contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom engineering contractors. 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 235 telecom engineering contractors based in Türkiye
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Telecom engineering contractors based in Türkiye at a glance
As of Sep 19, 2026Companies by employee count
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
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom engineering contractors, 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 “telecom engineering contractors”. 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 telecom engineering contractors), 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 telecom engineering contractors, 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, 520 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 19, 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.
Telecom engineering contractors by metro
- Telecom engineering contractors in Istanbul54
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 telecom engineering contractors, 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 telecom engineering contractors are there based in Türkiye?
RevenueBase identified 235 telecom engineering contractors 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?
Gentel Telekomünikasyon A.Ş, headquartered in Umraniye, tops this list with the largest team on record.
Which city has the most telecom engineering contractors?
Istanbul leads with 54 headquartered companies, followed by Ankara (24) and Cankaya (12).
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 520 verified decision-maker contacts tracked across these 235 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 19, 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.
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