Company lists · Data refreshed September 2026

Top 25 Rail systems integration firms worldwide

RevenueBase identified 2,920 rail systems integration firms worldwide as of September 2026 and tracks 127,519 professional contacts across them, including 38,073 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers rail systems integration firms worldwide, 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 29, 2026. Country and city lists for rail systems integration firms follow the table.

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 29, 2026 86% judged on-target in blind review
2,920Companies
127,519Contacts tracked
38,073Verified emails
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The 25 largest rail systems integration firms worldwide

Ranked by team size
Top 25 of 2,920 rail systems integration firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to rail systems integration firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 29, 202610001+11,800 contacts →

Partial evidence

“Hitachi Rail is committed to driving a sustainable mobility transition and helping every passenger, customer and community enjoy more connected, seamless and sustainable transport.”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidencePittsburgh, PA, United StatesHQ checked Sep 29, 202610001+9,859 contacts →

Partial evidence

“Wabtec is a leading global provider of equipment, systems, digital solutions, and value-added services.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceKowloon Bay, Hong KongHQ checked Sep 29, 202610001+4,764 contacts →

Indirect evidence

“To Keep Cities Moving, MTR makes encounters happen and rendezvous for a more connected tomorrow.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceAlbertville, AL, United StatesHQ checked Sep 29, 20265,001-10,0003,701 contacts →

Partial evidence

“Our team creates lifelong customer relationships, supplying comprehensive rolling stock and infrastructure solutions for the global rail industry and setting the standard for…”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceRome, ItalyHQ checked Sep 29, 20261,001-5,0002,701 contacts →

Indirect evidence

“At Italferr – a company belonging to the Italian State Railways Group Ferrovie dello Stato Italiane – we have built up a 30 year long experience at the forefront of cutting-edge…”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceGennevilliers, FranceHQ checked Sep 29, 202610001+2,235 contacts →

Partial evidence

“In December 2016, Wabtec and Faiveley Transport merged to create one of the world’s largest public rail equipment companies.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceHyderabad, IndiaHQ checked Sep 29, 20265,001-10,0002,021 contacts →

Indirect evidence

“Established in 1984 and headquartered in Hyderabad, India, Medha is a global leader in railway technology specializing in electric propulsion suite of products ranging from…”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceFaridabad, IndiaHQ checked Sep 29, 20261,001-5,0001,841 contacts →

Indirect evidence

“SYSTRA is a consulting and engineering firm, a world leader in public transport infrastructure engineering.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceGenova, ItalyHQ checked Sep 29, 20261,001-5,0001,300 contacts →

Indirect evidence

“Ansaldo STS is a multinational operating in the transportation industry.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceChelles, FranceHQ checked Sep 29, 20261,001-5,0001,109 contacts →

Partial evidence

“With more than 90 years’ experience in France and internationally, TSO (subsidiary of NGE) puts its expertise to work on: • rail services resumed between Oloron and Bedous • track…”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceLevallois-perret, FranceHQ checked Sep 29, 20261,001-5,0001,042 contacts →

Indirect evidence

“JOIN US : contact@ikosconsulting.com IKOS is a leading technology consulting firm specialized in the Railway sector with an additional offer in Energy.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 20261,001-5,0001,009 contacts →

Partial evidence

“Amsted Rail is a globally integrated manufacturer.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceMonopoli (bari), United KingdomHQ checked Sep 29, 20261,001-5,000875 contacts →

Indirect evidence

“MERMEC is an Italian group founded in 1970 and part of ANGEL, the largest private high-tech holding in Italy, led by Cav.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceLondon, United KingdomHQ checked Sep 29, 20261,001-5,000868 contacts →

Partial evidence

“Colas Rail is one of Europe’s leading suppliers of railway infrastructure services, we are award-winning specialists having constructed all forms of railways across Europe and the…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceUiwang-si, South KoreaHQ checked Sep 29, 20261,001-5,000838 contacts →

Partial evidence

“Hyundai-Rotem, a Member of Hyundai Motor Group (HMG), has diversified into three main business groups: Railway, Defence and Plant & Machinery Systems.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceDoncaster, United KingdomHQ checked Sep 29, 20261,001-5,000767 contacts →

Indirect evidence

“Since entering the construction market in 1935, VolkerRail has become one of the UK’s leading multidisciplinary railway infrastructure contractors.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceNew York, NY, United StatesHQ checked Sep 29, 20261,001-5,000721 contacts →

Partial evidence

“RailWorks builds and maintains rail transportation infrastructure that keeps people and goods moving across the United States and Canada.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceParis, FranceHQ checked Sep 29, 20261,001-5,000714 contacts →

Indirect evidence

“Date de création : Février 2012 Groupe : SNCF Directeur : M.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceAnkara, TürkiyeHQ checked Sep 29, 2026501-1,000711 contacts →

Indirect evidence

“TCDD Teknik is an engineering company managed with 100% public capital.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceBerlin, GermanyHQ checked Sep 29, 202610001+664 contacts →

Indirect evidence

“Effective January 29, 2021, Bombardier has been acquired by Alstom.”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceNorth America, TX, United StatesHQ checked Sep 29, 20261,001-5,000655 contacts →

Indirect evidence

“Mass.”

Source: RevenueBase Database · checked Sep 29, 2026
22Strong evidenceFalun, SwedenHQ checked Sep 29, 20261,001-5,000633 contacts →

Strong evidence

“Dellner is one of the world’s leading suppliers of Train Connection Systems, with 85 years of experience in the rail industry.”

Source: RevenueBase Database · checked Sep 29, 2026
23Strong evidenceRueil-malmaison, FranceHQ checked Sep 29, 20261,001-5,000603 contacts →

Strong evidence

“The Vossloh Switch Systems division develops and manufactures switch systems for rail infrastructure, which must be individually adapted to the customer and the project.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceMississauga, ON, CanadaHQ checked Sep 29, 20261,001-5,000592 contacts →

Indirect evidence

“We deliver integrated technology that spans your transit agency.”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceBrussels, BelgiumHQ checked Sep 29, 2026201-500545 contacts →

Indirect evidence

“As part of the railway family, we supply the necessary IT expertise to SNCB.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 2,920 rail systems integration firms worldwide

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Rail systems integration firms worldwide at a glance

As of Sep 29, 2026
29.9%Verified-email coverage
43.7Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,017
11-50
909
51-200
603
201-500
202
501-1,000
79
1,001-5,000
73
5,001-10,000
12
10001+
14

Email recency is reported on each country list linked below.

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 systems integration firms, 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.
Coverage
Every country. Country and city lists for rail systems integration firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “rail systems integration firms”. 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 systems integration firms), 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 systems integration firms, and records with no verified work email.
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, 38,073 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 29, 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 systems integration firms by location

21 lists · largest first

Every Rail systems integration firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 systems integration firms, 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 systems integration firms are there worldwide?

RevenueBase identified 2,920 rail systems integration firms worldwide 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?

Hitachi Rail, headquartered in London, tops this list with the largest team on record.

Which country has the most rail systems integration firms?

The United Kingdom leads with 351 companies, followed by the United States (310) and Germany (244). Every rail systems integration firms list by country and city is linked on this page.

Which city has the most rail systems integration firms?

London leads with 57 headquartered companies, followed by Berlin (27) and Derby (25).

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 38,073 verified decision-maker contacts tracked across these 2,920 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 29, 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.