Company lists · Data refreshed September 2026

Top 25 Infrastructure conglomerates based in Ankara, Türkiye

Name: Infrastructure conglomerates based in Ankara, Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 152 companies tracked

RevenueBase identified 152 infrastructure conglomerates headquartered in Ankara, Türkiye as of September 2026 and tracks 19,019 professional contacts across them, including 2,822 with verified work emails. Istanbul is the largest hub.

This list covers infrastructure conglomerates headquartered in Ankara, 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 20, 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 20, 2026 86% judged on-target in blind review

152Companies

19,019Contacts tracked

2,822Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest infrastructure conglomerates based in Ankara, Türkiye

Ranked by team size

Top 25 of 152 infrastructure conglomerates based in Ankara, Türkiye, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to infrastructure conglomerates: 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	Rönesans Holdi̇ng	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	10001+	5,599 contacts →
	Indirect evidence “Merkezi, Ankara’da bulunan Rönesans Holding, dünyanın en büyük müteahhitlik şirketlerinin sıralandığı ENR listesinde dünyada 50.” Source: RevenueBase Database · checked Sep 20, 2026
2	Limak Group Of Companies	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	10001+	2,329 contacts →
	Indirect evidence “Limak Group is a fast-growing international company headquartered in Turkey operating according to best operational practices across multiple major sectors such as energy…” Source: RevenueBase Database · checked Sep 20, 2026
3	Gülermak Heavy Industries Construction Contracting CO INC	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	5,001-10,000	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 20, 2026
4	Yüksel Proje	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	501-1,000	1,006 contacts →
	Indirect evidence “Yüksel Proje, established in 1978, provides design, engineering and consultancy services in Turkiye and 38 countries worldwide.” Source: RevenueBase Database · checked Sep 20, 2026
5	YDA Group	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	10001+	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 20, 2026
6	Gama Holding	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	10001+	924 contacts →
	Indirect evidence “GAMA HOLDING A.Ş.” Source: RevenueBase Database · checked Sep 20, 2026
7	Fernas	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	5,001-10,000	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 20, 2026
8	Onur Group	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	5,001-10,000	481 contacts →
	Indirect evidence “Global Excellence.” Source: RevenueBase Database · checked Sep 20, 2026
9	ERG İnşaat Ticaret VE Sanayi A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	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 20, 2026
10	Ekon Industry Construction & Trade INC	Partial evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	5,001-10,000	312 contacts →
	Partial evidence “EKON is a leading engineering & construction company for establishing infrastructure and integrated industrial projects from the planning and design stages, through engineering…” Source: RevenueBase Database · checked Sep 20, 2026
11	Gürbağ Group	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	5,001-10,000	299 contacts →
	Indirect evidence “GÜRBAĞ GRUP Türkiye’nin önde gelen sağlam yapılı, süratle gelişen ve büyüyen tecrübeli, güçlü finansal yapıya sahip firmalarından biri olarak 1992 yılından bu yana, yetişmiş…” Source: RevenueBase Database · checked Sep 20, 2026
12	Şa-Ra Şirketler Grubu	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	270 contacts →
	Indirect evidence “Founded in 1985, ŞA-RA is a well-established group of companies and one of Türkiye's leading industrial organizations.” Source: RevenueBase Database · checked Sep 20, 2026
13	Akfen Holding	Partial evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	10001+	241 contacts →
	Partial evidence “Having established its first company in 1976, Akfen gained holding status in the year and eventually became one of Turkey’s top infrastructure investment holdings.” Source: RevenueBase Database · checked Sep 20, 2026
14	Dolsar Engineering Inc. CO	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	201-500	164 contacts →
	Indirect evidence “Founded in 1971, DOLSAR is a multi-disciplinary engineering firm offering engineering, architectural, consultancy and supervision services for large-scale projects in a wide range…” Source: RevenueBase Database · checked Sep 20, 2026
15	Basari	Partial evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	201-500	103 contacts →
	Partial evidence “Basari Holding, which was established in Ankara as Basari Electronics in 1989, is presently among the top conglomerates in the IT and Telecommunications sector, and continues…” Source: RevenueBase Database · checked Sep 20, 2026
16	HGG Construction INC	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	93 contacts →
	Indirect evidence “Supported by its 60+ years of experience and vision focused on the future, HGG has been delivering general contracting services in various fields of construction and renewable…” Source: RevenueBase Database · checked Sep 20, 2026
17	Biltek Construction International Company	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	501-1,000	65 contacts →
	Indirect evidence “Biltek provides a portfolio of engineering and management services to public and private sectors worldwide.” Source: RevenueBase Database · checked Sep 20, 2026
18	Pasifik Holding	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	62 contacts →
	Indirect evidence “Bugün Pasifik’in sınırsız maviliklerine doğru açılarak süren yolculuğumuz, Hızır Dedemizin, Babamız Ahmet Erdoğan ile 1986 yılında ilk büyük girişimimiz olan çay fabrikamızı…” Source: RevenueBase Database · checked Sep 20, 2026
19	AGE Group	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	58 contacts →
	Indirect evidence “AGE is a company operating in its home land, Turkish Republic and abroad since 1974.” Source: RevenueBase Database · checked Sep 20, 2026
20	BCM Holding	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	45 contacts →
	Indirect evidence “Building The Future.Future is under construction.” Source: RevenueBase Database · checked Sep 20, 2026
21	SNH İnşaat A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	201-500	42 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
22	Yücelen Grup	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	201-500	42 contacts →
	Indirect evidence “Bulunduğu her sektörde lider, geçmişi ticari başarılarla dolu yarım asırlık tecrübe.” Source: RevenueBase Database · checked Sep 20, 2026
23	İmaj Altyapi ÜST Yapi Sanayi̇ VE Ti̇caret Anoni̇m Şi̇rketi̇	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	201-500	35 contacts →
	Indirect evidence “Firmamız yol, köprü, baraj, konut, havalimanı, endüstriyel tesis gibi projelerde yer almış ve taahhütlerini eksiksiz yerine getirmiştir.” Source: RevenueBase Database · checked Sep 20, 2026
24	OZE Grup	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	1,001-5,000	24 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
25	Oskar Holding	Indirect evidence	Ankara, TürkiyeHQ checked Sep 20, 2026	201-500	23 contacts →
	Indirect evidence “We are in all parts of life since 1976 With 7 companies operating in different fields, Oskar Holding is operating in 3 continents and 10 countries.” Source: RevenueBase Database · checked Sep 20, 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: infrastructure conglomerates. 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 conglomerates.
Partial evidence: Its own public description names part of infrastructure conglomerates, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name infrastructure conglomerates. 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 152 infrastructure conglomerates based in Ankara, Türkiye

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,822 reachable decision-makers.

Free signup · no credit card

View the full list →

Infrastructure conglomerates based in Ankara, Türkiye at a glance

As of Sep 20, 2026

14.8%Verified-email coverage

125.1Average contacts per company

201-500Median size (employees)

107.2%Largest-city concentration · Istanbul

Sep 20, 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

10001+

Email recency for this list is measured across the whole Türkiye list rather than for Ankara, so it is reported there. Company counts and contact totals on this page are exact for Ankara, over 152 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 conglomerates, 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 Ankara, Türkiye whose own description of what they do matches “infrastructure conglomerates”. 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 conglomerates), 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 conglomerates, and records with no verified work email. Companies headquartered outside Ankara 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, 2,822 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 20, 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 conglomerates by metro in Türkiye

Infrastructure conglomerates in Istanbul163
Infrastructure conglomerates in Ankara152
Infrastructure conglomerates in Cankaya56

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 conglomerates, 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 conglomerates are there based in Ankara, Türkiye?

RevenueBase identified 152 infrastructure conglomerates headquartered in Ankara, 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?

Rönesans Holdi̇ng, headquartered in Ankara, tops this list with the largest team on record.

Which city has the most infrastructure conglomerates?

Istanbul leads with 163 headquartered companies, followed by Ankara (152) and Cankaya (56).

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 2,822 verified decision-maker contacts tracked across these 152 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 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 152 infrastructure conglomerates based in Ankara, Türkiye. Start with a free account, no credit card.

Download this list →

Related lists

Infrastructure conglomerates by geography

Browse the directory

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.