Company lists · Data refreshed September 2026

Top 12 Railway modernization companies based in Türkiye

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 47 companies tracked

RevenueBase identified 47 company matches for railway modernization companies associated with Türkiye as of September 2026 and tracks 2,167 professional contacts across them, including 473 with verified work emails. Ankara is the largest hub.

This list covers company matches for railway modernization companies 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 September 17, 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 Sep 17, 2026 How this list was built

47Companies

2,167Contacts tracked

473Verified emails

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The 12 largest railway modernization companies based in Türkiye

Ranked by team size

Top 12 of 47 company matches for railway modernization companies based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Tcdd Teknik Mühendislik VE Müşavirlik A.Ş	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	501-1,000	711 contacts →
	Exact match “TCDD Teknik is an engineering company managed with 100% public capital.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Yapiray Railway Construction Systems Industry & Trade INC	Exact match	Üsküdar, TürkiyeHQ recorded Sep 17, 2026	501-1,000	230 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Elsitel	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	201-500	125 contacts →
	Exact match “ELSITEL offers innovative engineering solutions to electromechanical systems in industrial and transportation sectors and particularly focuses on railway signaling…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	YM İdi̇s Engineering	Exact match	Üsküdar, TürkiyeHQ recorded Sep 17, 2026	51-200	92 contacts →
	Exact match “Yapı Merkezi İDİS (İzleme Denetim & İletişim Sistemleri) A.Ş.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Özbir Rail	Exact match	Sakarya, TürkiyeHQ recorded Sep 17, 2026	51-200	40 contacts →
	Exact match “Ozbir Vagon is the manufacturer, reparation and maintenance company in railway technologies had its origin since 2006 in Turkey.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Demiryapı İnşaat	Exact match	Ankara, TürkiyeHQ recorded Sep 17, 2026	201-500	31 contacts →
	Exact match “Demiryolu üst yapı inşaat işleri” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Astrag	Exact match	Konutkent, TürkiyeHQ recorded Sep 17, 2026	51-200	27 contacts →
	Exact match “AstraG is a global signalling company that provides interlocking and central management solutions in railway sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Kaaf Rolling Stock INC	Exact match	Melikgazi, TürkiyeHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “KAAF develops and manufactures subsystems and maintenance machinery for rolling stock.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Esray A.Ş	Exact match	Eskişehir, TürkiyeHQ recorded Sep 17, 2026	51-200	22 contacts →
	Exact match “m2 toplam, kapalı alana sahip tesislerimizde, demiryolu araç gereçlerini ve üst yapı ekipmanları sektörde küresel rekabete uygun kalitede uygulayan bir firmayız.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Rayvag Wagon Industry INC	Exact match	Adana, TürkiyeHQ recorded Sep 17, 2026	51-200	17 contacts →
	Exact match “Rayvag is a railway company that gives service in manufacturing new railcars,new bogies and new spare parts for railcars.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Medus Proje A.Ş	Exact match	Çankaya, TürkiyeHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “To produce engineering based economic solutions focused on customer satisfaction in railway electrification.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Arben Yapi AS	Exact match	Besiktas, TürkiyeHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “railway modernization companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 12 of 47 railway modernization companies based in Türkiye

See the full list, filter by size, metro and specialty, and access 473 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railway modernization companies based in Türkiye at a glance

As of Sep 17, 2026

21.8%Verified-email coverage

46.1Average contacts per company

11-50Median size (employees)

31.9%Largest-city concentration · Ankara

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 47 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 “railway modernization companies” 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 473 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 September 17, 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 “railway modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway modernization companies are there based in Türkiye?

RevenueBase identified 47 company matches for railway modernization companies associated with Türkiye as of September 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?

Tcdd Teknik Mühendislik VE Müşavirlik A.Ş tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most railway modernization companies?

Ankara leads with 15 company records, followed by Cankaya (5) and Istanbul (5).

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 473 professional contacts with verified work emails tracked across these 47 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 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 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.