Company lists · Data refreshed November 2026

Top 25 Infrastructure conglomerates based in Türkiye

RevenueBase identified 600 company matches for infrastructure conglomerates associated with Türkiye as of November 2026 and tracks 55,300 professional contacts across them, including 5,961 with verified work emails. Istanbul is the largest hub.

This list covers company matches for infrastructure conglomerates 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
600Companies
55,300Contacts tracked
5,961Verified emails
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The 25 largest infrastructure conglomerates based in Türkiye

Ranked by team size
Top 25 of 600 company matches for infrastructure conglomerates 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 matchAnkara, TürkiyeHQ recorded Nov 6, 202610001+6,164 contacts →

Exact match

“Merkezi, Ankara’da bulunan Rönesans Holding, dünyanın en büyük müteahhitlik şirketlerinin sıralandığı ENR listesinde dünyada 50.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202610001+5,999 contacts →

Exact match

“Founded in 1957, ENKA is Türkiye’s largest construction company and has maintained its place among ENR’s Top International Contractors since 1981.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202610001+2,537 contacts →

Exact match

“Limak Group is a fast-growing international company headquartered in Turkey operating according to best operational practices across multiple major sectors such as energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchÇankaya, TürkiyeHQ recorded Nov 6, 202610001+2,327 contacts →

Exact match

“Kolin, Türkiye'de ve üç kıtada gerçekleştirdiği dev projeler, inşaat ve enerji başta olmak üzere farklı sektörlerde yıllık 1,5 milyar dolar ciroyu yakalayan başarı grafiğiyle…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202610001+1,710 contacts →

Exact match

“Doğuş Construction and Trade Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202610001+1,601 contacts →

Exact match

“Sabancı Holding is one of Turkey’s leading conglomerate, engaged in a wide variety of business activities through its subsidiaries and affiliates, mainly in the banking, financial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchÜsküdar, TürkiyeHQ recorded Nov 6, 202610001+1,157 contacts →

Exact match

“Kalyon Holding: Empowering Turkey’s Future Prioritizing contributions to people, society, and the environment, Kalyon Holding continues its journey in harmony with Turkey’s…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202610001+1,105 contacts →

Exact match

“Temelleri 1954 yılına dayanan YDA Group; bünyesindeki ilk inşaat & taahhüt firması olan AKSA İnşaat ile 52 yılı; Group’un Onursal Başkanı ve Kurucusu rahmetli Yaşar Dede Arslan’ın…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchYenimahalle, TürkiyeHQ recorded Nov 6, 20261,001-5,0001,067 contacts →

Exact match

“MİTAŞ Endüstri Sanayi ve Ticaret A.Ş, MİTAŞ Grubu’nun ana kuruluşu olup köklerini 1955’te Ankara’da kurulan MİTAŞ Madeni İnşaat İşleri Türk A.Ş.’den almaktadır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202610001+1,005 contacts →

Exact match

“GAMA HOLDING A.Ş.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSarıyer, TürkiyeHQ recorded Nov 6, 202610001+982 contacts →

Exact match

“As a pioneer of change in Turkey, the Doğuş Group, founded in 1951, sets standards for a better living by being at the forefront of discoveries that shape modern life, capitalizes…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBahçelievler, TürkiyeHQ recorded Nov 6, 20261,001-5,000952 contacts →

Exact match

“Temelleri 1970’te Türkiye Gazetesi’nin yayın hayatına başlamasıyla atılan İhlas Holding, yarım asrı aşan köklü geçmişinden aldığı güçle faaliyet gösterdiği her alanda…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000925 contacts →

Exact match

“1974 yılında başlayan yolculuğumuz boyunca, adımlarımızı hep en iyiye ulaşma ilkesiyle attık.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20265,001-10,000876 contacts →

Exact match

“Since its foundation in 1982, Fernas has played a strategic role in Turkey's journey towards industrialisation and development, drawing on nearly half a century of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000753 contacts →

Exact match

“Rightfully regarded as one of Turkey's leading contractor firms, Makyol is active in the areas of: • Heavy construction & infrastructure (highways, airports, dams, tunnels…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000634 contacts →

Exact match

“Founded in Yamata Investment made a distinguished name in the international area with the construction activities all over the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202610001+582 contacts →

Exact match

“Çalık Holding currently operates in 34 countries across four continents, employing more than people in five sectors-energy, construction, mining, textiles, and finance-including…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20265,001-10,000573 contacts →

Exact match

“NUROL CONSTRUCTION AND TRADING CO.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202610001+554 contacts →

Exact match

“1969 yılında tekstil sektörüyle ticari yaşamına başlayan; Enerji, Kağıt, Ambalaj, Tekstil, Perakende ve Çimento alanlarında faaliyet gösteren Eren Holding ve bağlı şirketleri, öz…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20265,001-10,000553 contacts →

Exact match

“It was the initiatives of our dear late founder Nuri Özaltın in the field of construction and contracting that laid the foundations of Özaltın Holding.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSariyer, TürkiyeHQ recorded Nov 6, 20265,001-10,000488 contacts →

Exact match

“Summa is established to undertake all kinds of turn-key construction projects, such as public buildings and housing projects, business and shopping centres, hotels, hospitals…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBeşiktaş, TürkiyeHQ recorded Nov 6, 20265,001-10,000409 contacts →

Exact match

“One of Turkey's largest and most deeply-rooted industrial groups, Kibar Holding has been operating in the metal, automotive, packaging, building materials, real estate, logistics…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSariyer, TürkiyeHQ recorded Nov 6, 20261,001-5,000365 contacts →

Exact match

“Metgün Group laid its foundations in 1986 with the establishment of Metgün Construction Contracting and Trade Inc, achieving significant success in infrastructure projects across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261,001-5,000358 contacts →

Exact match

“ERG İnşaat Ticaret ve Sanayi Anonim Şirketi, 1972 yılından beri havaalanı inşaatları, her türlü yol, köprü inşaatları, baraj ve hidroelektrik santral inşaatları, termik santral…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000346 contacts →

Exact match

“Gürsoy Group; It operates in the construction, mining, service, entertainment, tourism, industry, food, technology and energy sectors.”

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

Showing 25 of 600 infrastructure conglomerates based in Türkiye

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Infrastructure conglomerates based in Türkiye at a glance

As of Nov 6, 2026
10.8%Verified-email coverage
92.2Average contacts per company
51-200Median size (employees)
22.2%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
112
51-200
146
201-500
95
501-1,000
56
1,001-5,000
78
5,001-10,000
17
10001+
26

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 600 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 “infrastructure conglomerates” 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 5,961 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 “infrastructure conglomerates”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure conglomerates are there based in Türkiye?

RevenueBase identified 600 company matches for infrastructure conglomerates 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?

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

Which city has the most infrastructure conglomerates?

Istanbul leads with 133 company records, followed by Ankara (116) and Cankaya (34).

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 5,961 professional contacts with verified work emails tracked across these 600 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.