Company lists · Data refreshed September 2026

Top 25 Rail bridge builders based in Türkiye

Name: Rail bridge builders based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 135 companies tracked

RevenueBase identified 135 rail bridge builders headquartered in Türkiye as of September 2026 and tracks 6,552 professional contacts across them, including 362 with verified work emails. Istanbul is the largest hub.

This list covers rail bridge builders 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 17, 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 17, 2026 86% judged on-target in blind review

135Companies

6,552Contacts tracked

362Verified emails

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The 25 largest rail bridge builders based in Türkiye

Ranked by team size

Top 25 of 135 rail bridge builders based in Türkiye, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to rail bridge builders: 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	Yapı Merkezi	Indirect evidence	TürkiyeHQ checked Sep 17, 2026	10001+	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 17, 2026
2	Renaissance Construction	Indirect evidence	Çankaya / Ankara, TürkiyeHQ checked Sep 17, 2026	5,001-10,000	818 contacts →
	Indirect evidence “Renaissance Construction was founded in St.” Source: RevenueBase Database · checked Sep 17, 2026
3	Makyol İnşaat Sanayi Turizm VE Ticaret A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	1,001-5,000	673 contacts →
	Indirect 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 17, 2026
4	Yapiray Railway Construction Systems Industry & Trade INC	Indirect evidence	Üsküdar, TürkiyeHQ checked Sep 17, 2026	501-1,000	230 contacts →
	Indirect evidence “YAPIRAY's main objective is to fulfil railway constructions in the most efficient and accurate way with its huge experience in managing various projects under tough and…” Source: RevenueBase Database · checked Sep 17, 2026
5	Özgün Construction	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	1,001-5,000	175 contacts →
	Indirect evidence “Özgün İnşaat, leading company of KRK Holding, was established in 1993.” Source: RevenueBase Database · checked Sep 17, 2026
6	Mega Engineering Consulting	Indirect evidence	Umitkoy, TürkiyeHQ checked Sep 17, 2026	201-500	119 contacts →
	Indirect evidence “MEGA Engineering Consulting Inc, established in 1993, is a multidisciplinary firm that provides engineering, design, construction supervision and project management services for a…” Source: RevenueBase Database · checked Sep 17, 2026
7	YM İdi̇s Engineering	Indirect evidence	Üsküdar, TürkiyeHQ checked Sep 17, 2026	51-200	92 contacts →
	Indirect evidence “Yapı Merkezi İDİS (İzleme Denetim & İletişim Sistemleri) A.Ş.” Source: RevenueBase Database · checked Sep 17, 2026
8	Gulermak Steel Construction Ind. & Trade Co. INC	Indirect evidence	Izmir, TürkiyeHQ checked Sep 17, 2026	501-1,000	91 contacts →
	Indirect evidence “GULERMAK Steel Construction Ind.” Source: RevenueBase Database · checked Sep 17, 2026
9	Dere Construction	Indirect evidence	Izmir, TürkiyeHQ checked Sep 17, 2026	201-500	58 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 17, 2026
10	Biberci İnşaat	Indirect evidence	Selçuklu, TürkiyeHQ checked Sep 17, 2026	201-500	58 contacts →
	Indirect evidence “1967'de Mehmet Biberci tarafından kurulan Biberci İnşaat, 1996 yılında kurumsallaşma çalışmalarına hız vererek şirketlerinin sayısını arttırmış ve faaliyet alanlarını…” Source: RevenueBase Database · checked Sep 17, 2026
11	EFK Engineering	Indirect evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	51-200	44 contacts →
	Indirect evidence “EFK Engineering is an engineering and design company established in 2004 in Ankara, Turkey.” Source: RevenueBase Database · checked Sep 17, 2026
12	Polarkon	Indirect evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	51-200	40 contacts →
	Indirect evidence “Founded in 1995 and headquartered in Ankara, Turkey, with global offices in Düsseldorf, Germany, and Chicago, Illinois, POLARKON is a leading "design-build" engineering and steel…” Source: RevenueBase Database · checked Sep 17, 2026
13	Kappa Kalip VE İnşaat Taahhüt A.Ş	Partial evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	51-200	29 contacts →
	Partial evidence “With its experience from 1988, Kappa has been producing bridge and viaduct constructions and pre-tensioned bridge beams since Kappa has taken its place as the leading solution…” Source: RevenueBase Database · checked Sep 17, 2026
14	Gökyol İnşaat VE Sanayi̇i̇ A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	51-200	25 contacts →
	Indirect evidence “İnşaat sektöründeki 50 yıllık tecrübemizin arkasında, faaliyet süremiz boyunca devlet sektöründe iş yapmanın saygınlığı ve haklı gururu bulunmaktadır.” Source: RevenueBase Database · checked Sep 17, 2026
15	OZE Grup	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	1,001-5,000	24 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
16	Yapi Tekni̇k Proje Müşavi̇rli̇k VE Mühendi̇sli̇k	Indirect evidence	Fikirtepe, TürkiyeHQ checked Sep 17, 2026	11-50	23 contacts →
	Indirect evidence “Yapı Teknik, established in Istanbul in 1988, specializes in the design and the construction management of all types of reinforced concrete, steel and timber structures.” Source: RevenueBase Database · checked Sep 17, 2026
17	Saytekno Building Technologies Group	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	11-50	19 contacts →
	Indirect evidence “SAYTEKNO is a technological group founded in 1994 and working in the field of design, production and installation of architectural steel, freeform and art glass structures…” Source: RevenueBase Database · checked Sep 17, 2026
18	Con-Ak Post Tension	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	51-200	17 contacts →
	Partial evidence “Post-Tensioning, Cable Stays, Bridges, Buildings, Structure, Tanks, Silos, Engineering, Construction, Consulting” Source: RevenueBase Database · checked Sep 17, 2026
19	Bridgewiz International Engineering And Consulting	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	1-10	8 contacts →
	Partial evidence “Trusted Source of Fast and Professional Answers for Bridge Engineering” Source: RevenueBase Database · checked Sep 17, 2026
20	Puyol Engineering And Consultancy Ltd. CO	Indirect evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	11-50	7 contacts →
	Indirect evidence “Dedicated teams to make difference!” Source: RevenueBase Database · checked Sep 17, 2026
21	Yato Yapısal Tasarım Ofisi	Indirect evidence	Çekmeköy, TürkiyeHQ checked Sep 17, 2026	1-10	4 contacts →
	Indirect evidence “YApısal Tasarım Ofisi (YATO) YATO Mühendislik, inşaat mühendisliği ve yapı tasarımı konusunda 15 yılı aşan bir sürede toplanan teknik bilgi ve sürekli artmakta olan deneyimlerle…” Source: RevenueBase Database · checked Sep 17, 2026
22	Hatipzade Engineering	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	1-10	4 contacts →
	Indirect evidence “With over 8 Million m² Structural Project, 600 Thousand m² Rough Construction and 30 Years of Experience we design Economical, Reliable and Feasible structural projects for…” Source: RevenueBase Database · checked Sep 17, 2026
23	Kaiser Mühendislik VE Müşavirlik A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	11-50	3 contacts →
	Indirect evidence “Başlıca faaliyet alanlarımız; Raylı Sistem Müşavirlik ve Mühendislik Hizmetleri, Ulaşım Planlaması, Ulaştırma ve Trafik Mühendisliği Projeleri, Karayolu ve Sanat Yapıları…” Source: RevenueBase Database · checked Sep 17, 2026
24	Antei Engineering	Indirect evidence	Antalya, TürkiyeHQ checked Sep 17, 2026	1-10	2 contacts →
	Indirect evidence “Designing steel and reinforced concrete structures.” Source: RevenueBase Database · checked Sep 17, 2026
25	Accord Bridge Engineering And Consultancy	Partial evidence	Kadikoy, TürkiyeHQ checked Sep 17, 2026	1-10	2 contacts →
	Partial evidence “ACCORD is a specialist bridge and structural engineering consultancy delivering tailored solutions for complex infrastructure projects.” Source: RevenueBase Database · checked Sep 17, 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: rail bridge builders. 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 rail bridge builders.
Partial evidence: Its own public description names part of rail bridge builders, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name rail bridge builders. 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 135 rail bridge builders based in Türkiye

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Rail bridge builders based in Türkiye at a glance

As of Sep 17, 2026

5.5%Verified-email coverage

48.5Average contacts per company

11-50Median size (employees)

20.7%Largest-city concentration · Istanbul

Sep 17, 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 worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 135 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 rail bridge builders, 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 “rail bridge builders”. 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 rail bridge builders), 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 rail bridge builders, 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, 362 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 17, 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.

Rail bridge builders by metro

Rail bridge builders in Istanbul28

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 rail bridge builders, 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 rail bridge builders are there based in Türkiye?

RevenueBase identified 135 rail bridge builders 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 rail bridge builders?

Istanbul leads with 28 headquartered companies, followed by Ankara (22) and Cankaya (13).

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 362 verified decision-maker contacts tracked across these 135 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 17, 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.