Company lists · Data refreshed September 2026
Top 25 Infrastructure companies based in Türkiye
RevenueBase identified 717 infrastructure companies headquartered in Türkiye as of September 2026 and tracks 37,952 professional contacts across them, including 4,418 with verified work emails. Ankara is the largest hub.
This list covers infrastructure companies 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 15, 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 infrastructure companies based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,852 contacts → | ||||
Indirect evidence “Yapı Merkezi, founded in 1965, aims "to create and to realize construction projects that will serve humanity by creating environments of happiness".” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,172 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,583 contacts → | ||||
Indirect evidence “Doğuş Construction and Trade Inc.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,542 contacts → | ||||
Indirect evidence “Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,046 contacts → | ||||
Indirect evidence “GÜLERMAK, since its establishment, has been a top leading international EPC contractor known for its excellent reputation and professionalism.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,029 contacts → | ||||
Indirect evidence “Türkiye’nin üç bölgesinde, yedi ilde 8,4 milyon elektrik tüketicisine hizmet veren CK Enerji’nin yılda 40 milyar kilovatsaatlik elektrik dağıtım ve 36 milyar kilovatsaatlik…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 985 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 983 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 818 contacts → | ||||
Indirect evidence “Renaissance Construction was founded in St.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 704 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 701 contacts → | ||||
Indirect evidence “Gdz Elektrik, hayatın her anına dokunan ve her alanda çözümler sunan uygulamaları ile elektrik dağıtım altyapısının geliştirilmesi ve güçlendirilmesi için gereken teknolojik…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 673 contacts → | ||||
Strong evidence “Rightfully regarded as one of Turkey's leading contractor firms, Makyol is active in the areas of: • Heavy construction & infrastructure (highways, airports, dams, tunnels…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 612 contacts → | ||||
Indirect evidence “146 SUCCESSFULLY COMPLETED PROJECTS ON 3 CONTINENTS, 8,56 BILLION USD CONTRACT VALUE, RANKING IN ENR’S “TOP CONTRACTORS LEAGUE” SINCE 2006 One of the highly reputable contracting…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 602 contacts → | ||||
Indirect evidence “Kontrolmatik provides a broad spectrum of services to industries including- LV/MV/HV Solutions- SCADA and Automation- Communication- Balance of Plant- Consulting- ICS…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 562 contacts → | ||||
Indirect evidence “Founded in Yamata Investment made a distinguished name in the international area with the construction activities all over the world.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 516 contacts → | ||||
Indirect evidence “NUROL CONSTRUCTION AND TRADING CO.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 500 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 481 contacts → | ||||
Indirect evidence “Global Excellence.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 445 contacts → | ||||
Indirect evidence “1963 yılında kurulduğundan bugüne akaryakıt sektöründe kesintisiz bir şekilde faaliyetlerini sürdüren Aytemiz Akaryakıt A.Ş, 2009 yılından itibaren Aytemiz markası ile hizmet…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 438 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 438 contacts → | ||||
Indirect evidence “2003 yılında kurulan Enerya, doğal gaz dağıtımı alanında, Ahlatcı Holding bünyesinde faaliyet göstermektedir.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 345 contacts → | ||||
Indirect evidence “ERG İnşaat Ticaret ve Sanayi Anonim Şirketi, 1972 yılından beri havaalanı inşaatları, her türlü yol, köprü inşaatları, baraj ve hidroelektrik santral inşaatları, termik santral…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 341 contacts → | ||||
Indirect evidence “IRIS AS headquartered in Istanbul.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 322 contacts → | ||||
Indirect evidence “Enerji Piyasası Düzenleme Kurumu (EPDK) tarafından gerçekleştirilen İzmir doğal gaz dağıtım ihalesini, en düşük birim hizmet ve amortisman bedelini veren KOLİN A.Ş.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 315 contacts → | ||||
Strong evidence “Metgün Group laid its foundations in 1986 with the establishment of Metgün Construction Contracting and Trade Inc, achieving significant success in infrastructure projects across…” Source: RevenueBase Database · checked Sep 15, 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: infrastructure companies. 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 infrastructure companies.
- Partial evidence
- Its own public description names part of infrastructure companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name infrastructure companies. 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 717 infrastructure companies based in Türkiye
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Infrastructure companies based in Türkiye at a glance
As of Sep 15, 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 717 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 infrastructure companies, 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 “infrastructure companies”. 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 infrastructure companies), 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 infrastructure companies, 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, 4,418 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 15, 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.
Infrastructure companies by metro
- Infrastructure companies in Ankara143
- Infrastructure companies in Istanbul133
- Infrastructure companies in Cankaya50
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 infrastructure companies, 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 infrastructure companies are there based in Türkiye?
RevenueBase identified 717 infrastructure companies 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?
Yapı Merkezi, headquartered in Türkiye, tops this list with the largest team on record.
Which city has the most infrastructure companies?
Ankara leads with 143 headquartered companies, followed by Istanbul (133) and Cankaya (50).
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 4,418 verified decision-maker contacts tracked across these 717 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 15, 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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