Company lists · Data refreshed September 2026

Top 25 Railway consulting engineers based in Türkiye

Name: Railway consulting engineers based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 450 companies tracked

RevenueBase identified 450 railway consulting engineers headquartered in Türkiye as of September 2026 and tracks 11,867 professional contacts across them, including 1,095 with verified work emails. Ankara is the largest hub.

This list covers railway consulting engineers 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

450Companies

11,867Contacts tracked

1,095Verified emails

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The 25 largest railway consulting engineers based in Türkiye

Ranked by team size

Top 25 of 450 railway consulting engineers 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 railway consulting engineers: 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	Yüksel Proje	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	501-1,000	1,006 contacts →
	Partial evidence “Yüksel Proje, established in 1978, provides design, engineering and consultancy services in Turkiye and 38 countries worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
3	Tcdd Teknik Mühendislik VE Müşavirlik A.Ş	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	501-1,000	711 contacts →
	Partial evidence “TCDD Teknik is an engineering company managed with 100% public capital.” Source: RevenueBase Database · checked Sep 17, 2026
4	Emay International Engineering And Consultancy INC	Partial evidence	Üsküdar, TürkiyeHQ checked Sep 17, 2026	1,001-5,000	641 contacts →
	Partial evidence “EMAY International Engineering and Consultancy Inc, established in 1980, is one of the leading engineering and technical consultancy companies in Turkey.” Source: RevenueBase Database · checked Sep 17, 2026
5	Tekfen Engineering	Partial evidence	Sisli, TürkiyeHQ checked Sep 17, 2026	201-500	293 contacts →
	Partial evidence “Tekfen Engineering was founded in 1984 to provide engineering services for our parent company, Tekfen Construction.” Source: RevenueBase Database · checked Sep 17, 2026
6	Koltek Consulting CO	Strong evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	501-1,000	253 contacts →
	Strong evidence “Established in 1988, KOLTEK is a technical consulting firm that offers multidisciplinary engineering services locally and abroad.” Source: RevenueBase Database · checked Sep 17, 2026
7	Yapiray Railway Construction Systems Industry & Trade INC	Partial evidence	Üsküdar, TürkiyeHQ checked Sep 17, 2026	501-1,000	230 contacts →
	Partial 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
8	Temelsu International Engineering Services INC	Strong evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	188 contacts →
	Strong evidence “TEMELSU is a well known Turkish consulting engineering company which provides multidisciplinary engineering services, locally and internationally, since its foundation in 1969.” Source: RevenueBase Database · checked Sep 17, 2026
9	Eltemtek A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	501-1,000	177 contacts →
	Indirect evidence “ELTEMTEK A.Ş olarak temel mühendislik hizmetlerinden, yatırım danışmanlığına; işletme hizmetlerine, sistem analiz etütlerine, harita ve kamulaştırma hizmetlerine uzanan geniş bir…” Source: RevenueBase Database · checked Sep 17, 2026
10	Prota Engineering	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	164 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
11	Dolsar Engineering Inc. CO	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	164 contacts →
	Partial 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 17, 2026
12	Elsitel	Strong evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	125 contacts →
	Strong evidence “ELSITEL offers innovative engineering solutions to electromechanical systems in industrial and transportation sectors and particularly focuses on railway signaling…” Source: RevenueBase Database · checked Sep 17, 2026
13	Mega Engineering Consulting	Strong evidence	Umitkoy, TürkiyeHQ checked Sep 17, 2026	201-500	119 contacts →
	Strong 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
14	Apco Teknik	Partial evidence	Ankara And Istanbul, TürkiyeHQ checked Sep 17, 2026	51-200	81 contacts →
	Partial evidence “Apco is a full-service engineering, consultancy and project management firm, established in 1987.” Source: RevenueBase Database · checked Sep 17, 2026
15	BCT Construction Architecture Engineering Consultancy Incorporated Company	Strong evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	51-200	74 contacts →
	Strong evidence “Founded in 2004, BCT Architecture Engineering Consulting Company has established its local offices in different regions of Turkey in order to keep up with the demand from…” Source: RevenueBase Database · checked Sep 17, 2026
16	Famer Group	Strong evidence	Cankaya, TürkiyeHQ checked Sep 17, 2026	51-200	67 contacts →
	Strong evidence “Famer Group is an international independent consulting company, offering Planning, Architectural, Engineering Design and Management services for construction projects.” Source: RevenueBase Database · checked Sep 17, 2026
17	Biltek Construction International Company	Partial evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	501-1,000	65 contacts →
	Partial evidence “Biltek provides a portfolio of engineering and management services to public and private sectors worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
18	Systra Türkiye	Indirect evidence	Cankaya, TürkiyeHQ checked Sep 17, 2026	51-200	64 contacts →
	Indirect evidence “Toplu taşıma ve mobilite çözümleri konusunda uzmanlaşmış, dünyanın öncü mühendislik ve danışmanlık gruplarından SYSTRA, 65 yılı aşkın süredir ulaşım altyapılarını oluşturarak…” Source: RevenueBase Database · checked Sep 17, 2026
19	Boğaziçi Proje Mühendislik A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	51-200	44 contacts →
	Indirect evidence “Ulaşım Planlaması, Raylı Sistem Mühendisliği, Ulaştırma ve Trafik Mühendisliği, Karayolu ve Sanat Yapıları Mühendisliği ile Müşavirlik ve Danışmanlık Hizmetleri” Source: RevenueBase Database · checked Sep 17, 2026
20	EFK Engineering	Partial evidence	Çankaya, TürkiyeHQ checked Sep 17, 2026	51-200	44 contacts →
	Partial evidence “EFK Engineering is an engineering and design company established in 2004 in Ankara, Turkey.” Source: RevenueBase Database · checked Sep 17, 2026
21	Demiryapı İnşaat	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	201-500	31 contacts →
	Indirect evidence “Demiryolu üst yapı inşaat işleri” Source: RevenueBase Database · checked Sep 17, 2026
22	AGM Mühendislik	Indirect evidence	Ankara, TürkiyeHQ checked Sep 17, 2026	11-50	31 contacts →
	Indirect evidence “AGM Mühendislik 1993 yılında Ankara'da kurulmuştur.” Source: RevenueBase Database · checked Sep 17, 2026
23	Astrag	Partial evidence	Konutkent, TürkiyeHQ checked Sep 17, 2026	51-200	27 contacts →
	Partial evidence “AstraG is a global signalling company that provides interlocking and central management solutions in railway sector.” Source: RevenueBase Database · checked Sep 17, 2026
24	TEM Engineering & Consulting	Strong evidence	Istanbul, TürkiyeHQ checked Sep 17, 2026	11-50	24 contacts →
	Strong evidence “TEM is a consulting engineering company providing civil, structural engineering, architectural design, infrastructural engineering, mechanical engineering, electrical engineering…” Source: RevenueBase Database · checked Sep 17, 2026
25	Teknik Mühendislik VE Müşavirlik A.Ş	Partial evidence	Sariyer, TürkiyeHQ checked Sep 17, 2026	11-50	21 contacts →
	Partial evidence “Teknik Engineering is a Doğuş Group company established in 1984 to provide engineering, consultancy and technical services to institutions and contractors.” 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: railway consulting engineers. 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 railway consulting engineers.
Partial evidence: Its own public description names part of railway consulting engineers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name railway consulting engineers. 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 450 railway consulting engineers based in Türkiye

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Railway consulting engineers based in Türkiye at a glance

As of Sep 17, 2026

9.2%Verified-email coverage

26.4Average contacts per company

11-50Median size (employees)

21.1%Largest-city concentration · Ankara

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

209

11-50

147

51-200

201-500

501-1,000

1,001-5,000

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 450 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 railway consulting engineers, 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 “railway consulting engineers”. 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 railway consulting engineers), 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 railway consulting engineers, 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, 1,095 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.

Railway consulting engineers by metro

Railway consulting engineers in Ankara95
Railway consulting engineers in Istanbul79
Railway consulting engineers in Cankaya47

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 railway consulting engineers, 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 railway consulting engineers are there based in Türkiye?

RevenueBase identified 450 railway consulting engineers 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 railway consulting engineers?

Ankara leads with 95 headquartered companies, followed by Istanbul (79) and Cankaya (47).

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 1,095 verified decision-maker contacts tracked across these 450 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.