Company lists · Data refreshed November 2026

Top 25 Switching and signaling contractors worldwide

RevenueBase identified 1,784 company matches for switching and signaling contractors worldwide as of November 2026 and tracks 91,731 professional contacts across them, including 31,535 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for switching and signaling contractors worldwide, 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 November 6, 2026. Country and city lists for switching and signaling contractors follow the table.

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 Nov 6, 2026 How this list was built
1,784Companies
91,731Contacts tracked
31,535Verified emails
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The 25 largest switching and signaling contractors worldwide

Ranked by team size
Top 25 of 1,784 company matches for switching and signaling contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+12,582 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202610001+10,657 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFaridabad, IndiaHQ recorded Nov 6, 20261,001-5,0001,972 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRome, ItalyHQ recorded Nov 6, 20261,001-5,0001,686 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGenoa, PA, ItalyHQ recorded Nov 6, 20261,001-5,0001,293 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWembley, United KingdomHQ recorded Nov 6, 20261,001-5,0001,204 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchChelles, FranceHQ recorded Nov 6, 20261,001-5,0001,188 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLevallois-perret, FranceHQ recorded Nov 6, 20261,001-5,0001,073 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchn/a1,001-5,0001,065 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBerlin, GermanyHQ recorded Nov 6, 202610001+1,040 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000905 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMonopoli (bari), United KingdomHQ recorded Nov 6, 20261,001-5,000895 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDoncaster, United KingdomHQ recorded Nov 6, 20261,001-5,000821 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026501-1,000783 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000760 contacts →

Exact match

“Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,000756 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFuenlabrada, SpainHQ recorded Nov 6, 2026201-500755 contacts →

Exact match

“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,000753 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Giovanni Teatino, ItalyHQ recorded Nov 6, 20261,001-5,000701 contacts →

Exact match

“Circet Italia opera da oltre 30 anni nel mercato di sistemi e reti di telecomunicazione, energia e trasporti con servizi di progettazione, installazione e manutenzione di grandi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNorth America, TX, United StatesHQ recorded Nov 6, 20261,001-5,000700 contacts →

Exact match

“Mass.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRueil-malmaison, FranceHQ recorded Nov 6, 20261,001-5,000648 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBregenz, AustriaHQ recorded Nov 6, 20261,001-5,000612 contacts →

Exact match

“The Rhomberg Sersa Rail Group is a full railway engineering service provider and offers an almost comprehensive range of railway construction, infrastructure and service products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIrving, TX, United StatesHQ recorded Nov 6, 20261,001-5,000544 contacts →

Exact match

“RailPros was founded in and is exclusively focused on providing rail and transit engineering and construction services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStrathaven, United KingdomHQ recorded Nov 6, 2026501-1,000536 contacts →

Exact match

“QTS is one of the country’s leading railways contractors, founded by MD, Alan McLeish.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBangalore, IndiaHQ recorded Nov 6, 2026501-1,000509 contacts →

Exact match

“TVM Signalling and Transportation Systems Private Limited (TSTS), headquartered in Bengaluru, Karnataka, is one of India's foremost developers and system integrators of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,784 switching and signaling contractors worldwide

See the full list, filter by size, metro and specialty, and access 31,535 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Switching and signaling contractors worldwide at a glance

As of Nov 6, 2026
34.4%Verified-email coverage
51.4Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
483
11-50
576
51-200
441
201-500
132
501-1,000
58
1,001-5,000
52
5,001-10,000
5
10001+
11

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for switching and signaling contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “switching and signaling contractors” 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. 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 31,535 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 November 6, 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.

Switching and signaling contractors by location

16 lists · largest first

Every Switching and signaling contractors 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 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 “switching and signaling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many switching and signaling contractors are there worldwide?

RevenueBase identified 1,784 company matches for switching and signaling contractors worldwide as of November 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?

Hitachi Rail tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most switching and signaling contractors?

The United States leads with 168 companies, followed by the United Kingdom (167) and Germany (164). Every switching and signaling contractors list by country and city is linked on this page.

Which city has the most switching and signaling contractors?

London leads with 29 company records, followed by Sao Paulo (19) and Bangalore (14).

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 31,535 professional contacts with verified work emails tracked across these 1,784 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 November 6, 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.