Company lists · Data refreshed November 2026

Top 25 Infrastructure development organizations based in Türkiye

RevenueBase identified 344 company matches for infrastructure development organizations associated with Türkiye as of November 2026 and tracks 13,368 professional contacts across them, including 1,194 with verified work emails. Ankara is the largest hub.

This list covers company matches for infrastructure development organizations 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
344Companies
13,368Contacts tracked
1,194Verified emails
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The 25 largest infrastructure development organizations based in Türkiye

Ranked by team size
Top 25 of 344 company matches for infrastructure development organizations 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 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
2Exact 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
3Exact 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
4Exact matchKucukcekmece, TürkiyeHQ recorded Nov 6, 20261,001-5,000374 contacts →

Exact match

“IRIS AS headquartered in Istanbul.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20265,001-10,000368 contacts →

Exact match

“Fernas is a Turkey based company currentlyFounded in 1982, Fernas Construction is the Group's locomotive company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026201-500198 contacts →

Exact match

“Founded in 1985, Prota Engineering is a pioneering design firm with a global footprint, having executed over projects spanning across 25 countries, having offices in Turkey…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOrtaköy, TürkiyeHQ recorded Nov 6, 202651-200162 contacts →

Exact match

“Türkiye Wealth Fund (TWF) is the strategic investment arm and the equity solutions provider of the Republic of Türkiye.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchÇankaya, TürkiyeHQ recorded Nov 6, 20261,001-5,000129 contacts →

Exact match

“Faaliyete geçtiği yıldan itibaren ülke kalkınmasına destek verme amacı ile pek çok başarılı işe imza atan Leda, sürdürülebilir ve fonksiyonel projeleri ile inşaat sektörüne değer…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUmitkoy, TürkiyeHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

“MEGA Engineering Consulting Inc, established in 1993, is a multidisciplinary firm that provides engineering, design, construction supervision and project management services for a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchÇankaya, TürkiyeHQ recorded Nov 6, 2026501-1,000104 contacts →

Exact match

“Aslan Yapı 1981 yılından bu yana gayrimenkul yatırım, geliştirme, taahhüt ve endüstriyel üretim alanlarında faaliyet gösteren; Türkiye ve uluslararası pazarlarda güçlü deneyime…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchÜsküdar, TürkiyeHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Yapı Merkezi İDİS (İzleme Denetim & İletişim Sistemleri) A.Ş.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCayirova, TürkiyeHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“At the adventure which has begun in 1978 with steel wall plug production with the leadership of LINK; we are proud of the position of Pipe Hanger and Supporter sector as a founder…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261,001-5,00075 contacts →

Exact match

“GAMA INDUSTRIAL PLANTS MANUFACTURING AND ERECTION INC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchIzmir, TürkiyeHQ recorded Nov 6, 2026201-50067 contacts →

Exact match

“DERE Construction has been established to serve both for public and private sector investments as a contractor, and continues its activities with an increasing acceleration.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCankaya, TürkiyeHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Toplu taşıma ve mobilite çözümleri konusunda uzmanlaşmış, dünyanın öncü mühendislik ve danışmanlık gruplarından SYSTRA, 65 yılı aşkın süredir ulaşım altyapılarını oluşturarak…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSelçuklu, TürkiyeHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“1967'de Mehmet Biberci tarafından kurulan Biberci İnşaat, 1996 yılında kurumsallaşma çalışmalarına hız vererek şirketlerinin sayısını arttırmış ve faaliyet alanlarını…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTekirdağ, TürkiyeHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Trakya Kalkınma Ajansı (TrakyaKa), kamu, özel sektör ve sivil toplum arasında işbirliğini desteklemek, kaynakların yerinde ve etkin kullanılmasını sağlamak ve yerel potansiyeli…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchİzmi̇r, TürkiyeHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Established with a decree of the Council of Ministers in 2006 as one of the two pilot agencies in Turkey, Izmir Development Agency conducts pioneering activities for the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261,001-5,00053 contacts →

Exact match

“Building The Future.Future is under construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKadikoy, TürkiyeHQ recorded Nov 6, 20261,001-5,00051 contacts →

Exact match

“Altyapı, üstyapı ve gayrimenkul geliştirme işlerinde öncü firma.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“ENVESU is a consulting and project management company offering a wide range of services in the construction industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“IDEMA International Development Management IDEMA has been cultivating, executing and managing social development projects in and out of Turkey since 2011.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261,001-5,00035 contacts →

Exact match

“One of the leading Development Investment Management Group of Companies in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCankaya, TürkiyeHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Dams, Hydropower plants, Irrigation, Water supply, Water treatment, Flood protection”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Yuksel Domanic Engineering Limited has been a leading engineering design and consulting company in the field of highway and railway since in 1986 in Ankara - Turkey.”

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

Showing 25 of 344 infrastructure development organizations based in Türkiye

See the full list, filter by size, metro and specialty, and access 1,194 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure development organizations based in Türkiye at a glance

As of Nov 6, 2026
8.9%Verified-email coverage
38.9Average contacts per company
11-50Median size (employees)
24.4%Largest-city concentration · Ankara
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
97
11-50
116
51-200
52
201-500
37
501-1,000
16
1,001-5,000
17
5,001-10,000
5
10001+
3

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 344 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 development organizations” 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 1,194 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 development organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure development organizations are there based in Türkiye?

RevenueBase identified 344 company matches for infrastructure development organizations 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?

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

Which city has the most infrastructure development organizations?

Ankara leads with 84 company records, followed by Istanbul (75) and Cankaya (33).

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 1,194 professional contacts with verified work emails tracked across these 344 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.