Company lists · Data refreshed November 2026

Top 25 Railway grade separation contractors worldwide

RevenueBase identified 621 company matches for railway grade separation contractors worldwide as of November 2026 and tracks 19,805 professional contacts across them, including 5,552 with verified work emails. Germany is the largest market and Doncaster the largest hub.

This list covers company matches for railway grade separation 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 railway grade separation 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
621Companies
19,805Contacts tracked
5,552Verified emails
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The 25 largest railway grade separation contractors worldwide

Ranked by team size
Top 25 of 621 company matches for railway grade separation 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 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
2Exact 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
3Exact 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
4Exact matchSerra, BrazilHQ recorded Nov 6, 20261,001-5,000767 contacts →

Exact match

“Empresa de engenharia civil para obras de infraestrutura.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact matchKolkata, IndiaHQ recorded Nov 6, 2026201-500459 contacts →

Exact match

“Royal Infraconstru Limited is a part of the ROYAL Group and is the fastest growing and one of the most respected Infrastructure companies in India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDuncan, GA, United StatesHQ recorded Nov 6, 20261,001-5,000424 contacts →

Exact match

“Reeves Construction Company is a regional leader in infrastructure improvements, performing work across the Southeast and Midwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBilbo, SpainHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

“TECSA Empresa Constructora, S.A, nacida en 1.971 en el entorno ferroviario, es hoy en día una referencia en la construcción y mantenimiento de infraestructuras del transporte.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAustraliaHQ recorded Nov 6, 20261,001-5,000234 contacts →

Exact match

“Martinus is an Australian owned, industry leading, full-service railway infrastructure company that builds and maintains large scale railways and intermodals across Australia, New…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLangley, BC, CanadaHQ recorded Nov 6, 2026501-1,000221 contacts →

Exact match

“REMCAN is a full-service contractor for the railway industry focused on delivering high quality, innovative, environmentally focused and safety enhanced services to railway track…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchYonkers, NY, United StatesHQ recorded Nov 6, 2026201-500200 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPoznań, PolandHQ recorded Nov 6, 2026501-1,000197 contacts →

Exact match

“Od 35 lat zajmujemy się kompleksową modernizacją i budową infrastruktury kolejowej dostosowując jej parametry do wymogów stawianych przez unijne i międzynarodowe przepisy o ruchu…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBirmingham, United KingdomHQ recorded Nov 6, 20261,001-5,000195 contacts →

Exact match

“RSS Infrastructure (RSSI) is an award-winning multi-disciplinary service provider for the rail, construction and utilities sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEdmonton, CanadaHQ recorded Nov 6, 2026501-1,000192 contacts →

Exact match

“Canada’s largest provider of track maintenance and construction services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGreat Falls, SC, United StatesHQ recorded Nov 6, 2026501-1,000181 contacts →

Exact match

“Celebrating 100 years in 2024, United Infrastructure Group is one of the leading firms in the Southeast with expertise in engineering, construction, and progressive/alternative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPaterson, NJ, United StatesHQ recorded Nov 6, 2026501-1,000162 contacts →

Exact match

“Celebrating 100 Years in Business!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDoncaster, United KingdomHQ recorded Nov 6, 2026201-500157 contacts →

Exact match

“Trackwork Ltd is a specialist rail infrastructure engineering company providing the following services & products: • Track renewals, remodelling, installation & maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200140 contacts →

Exact match

“OTHON is a multi-discipline civil engineering firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 202651-200134 contacts →

Exact match

“Somos una empresa que desarrolla obras de infraestructura, servicios de consultoría y fabricación de materiales e insumos para la industria ferroviaria, gestionando los proyectos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPrayagraj, IndiaHQ recorded Nov 6, 20261,001-5,000125 contacts →

Exact match

“Railtech Infraventure Pvt Ltd (RIPL) is one of the Oldest Rail Track Contractors with a Pan India & Global Presence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSingaporeHQ recorded Nov 6, 20261,001-5,000124 contacts →

Exact match

“Established in 1996, Shanghai Tunnel Engineering Singapore (STECS) is a leading civil engineering and construction firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPhilippinesHQ recorded Nov 6, 2026501-1,00099 contacts →

Exact match

“Colas Rail Asia was established in 2011 with the primary objective of extending the Kuala Lumpur Kelana Jaya LRT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPlantsville, CT, United StatesHQ recorded Nov 6, 2026201-50091 contacts →

Exact match

“Heavy Civil Construction company specializing in bridge construction (highways and railroad), Marine construction and transport, deep foundations, movable bridges, concrete…”

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

Showing 25 of 621 railway grade separation contractors worldwide

See the full list, filter by size, metro and specialty, and access 5,552 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railway grade separation contractors worldwide at a glance

As of Nov 6, 2026
28.0%Verified-email coverage
31.9Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Doncaster
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
156
11-50
173
51-200
170
201-500
54
501-1,000
20
1,001-5,000
23
5,001-10,000
3
10001+
3

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 railway grade separation contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “railway grade separation 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 5,552 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.

Railway grade separation contractors by location

5 lists · largest first

Every Railway grade separation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 grade separation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway grade separation contractors are there worldwide?

RevenueBase identified 621 company matches for railway grade separation 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?

Italferr S.P.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most railway grade separation contractors?

Germany leads with 69 companies, followed by the United Kingdom (69) and the United States (69). Every railway grade separation contractors list by country and city is linked on this page.

Which city has the most railway grade separation contractors?

Doncaster leads with 5 company records, followed by London (5) and Ahmedabad (4).

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 5,552 professional contacts with verified work emails tracked across these 621 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.