Company lists · Data refreshed November 2026

Top 25 Railway tunnel engineering firms worldwide

RevenueBase identified 6,925 company matches for railway tunnel engineering firms worldwide as of November 2026 and tracks 216,672 professional contacts across them, including 53,716 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for railway tunnel engineering firms 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 tunnel engineering firms 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
6,925Companies
216,672Contacts tracked
53,716Verified emails
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The 25 largest railway tunnel engineering firms worldwide

Ranked by team size
Top 25 of 6,925 company matches for railway tunnel engineering firms 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 matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,0008,994 contacts →

Exact match

“Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWan Chai, Hong KongHQ recorded Nov 6, 202610001+4,322 contacts →

Exact match

“Established in 1974 and headquartered in Hong Kong, Leighton Asia delivers a portfolio of high-profile infrastructure projects throughout Asia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0003,366 contacts →

Exact match

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchOpfikon, SwitzerlandHQ recorded Nov 6, 20265,001-10,0003,279 contacts →

Exact match

“As Switzerland’s leading construction and real estate service provider, Implenia develops, builds and manages homes, workplaces and infrastructure for future generations in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVienna, AustriaHQ recorded Nov 6, 202610001+2,810 contacts →

Exact match

“Driving innovation for excellence – that’s what PORR stands for for more than 150 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0002,654 contacts →

Exact match

“Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSan Sebastian De Los Reyes, SpainHQ recorded Nov 6, 20261,001-5,0002,611 contacts →

Exact match

“TYPSA is an independent consulting and engineering services group, and a leader in infrastructure, energy, environmental and city solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,518 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchQuezon City, PhilippinesHQ recorded Nov 6, 20261,001-5,0002,203 contacts →

Exact match

“Megawide is one of the leading engineering and infrastructure firms in the Philippines today, with a decisive portfolio in Engineering, Procurement, Construction and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPhnom Penh, SingaporeHQ recorded Nov 6, 20261,001-5,0002,067 contacts →

Exact match

“Meinhardt is one of the most respected Asian-based engineering companies in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGurgaon, IndiaHQ recorded Nov 6, 20261,001-5,0001,987 contacts →

Exact match

“RITES Limited is a Navratna CPSE, under the aegis of the Ministry of Railways.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchSaint-quentin-en-yvelines Cedex, FranceHQ recorded Nov 6, 202610001+1,967 contacts →

Exact match

“CONSTRUIRE DES INFRASTRUCTURES DURABLES Bouygues TP est l’un des leaders mondiaux dans les domaines de l’aménagement du territoire et de la construction d’infrastructures durables.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchBogota, ColombiaHQ recorded Nov 6, 20261,001-5,0001,588 contacts →

Exact match

“Ingetec está conformado por un grupo de profesionales con alto nivel de especialización, quienes trabajan dentro de las diferentes gerencias y divisiones que componen la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSchwanau, GermanyHQ recorded Nov 6, 20261,001-5,0001,409 contacts →

Exact match

“Herrenknecht is a technology and market leader in the area of mechanized tunnelling systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 20261,001-5,0001,370 contacts →

Exact match

“A Toniolo, Busnello S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,356 contacts →

Exact match

“Consor is a leading engineering and consulting firm advancing intelligent, future-ready infrastructure across transportation and water systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRueil-malmaison, FranceHQ recorded Nov 6, 20265,001-10,0001,306 contacts →

Exact match

“Soletanche Bachy is a world benchmark in foundations and soil technologies, and is involved in over projects every year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMobile, AL, United StatesHQ recorded Nov 6, 20261,001-5,0001,244 contacts →

Exact match

“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026501-1,0001,163 contacts →

Exact match

“Established in 1978, Yüksel Proje is one of Türkiye's leading engineering, design and consulting companies, delivering multidisciplinary solutions for transportation, buildings…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact 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
25Exact matchWalsall, United KingdomHQ recorded Nov 6, 20261,001-5,000886 contacts →

Exact match

“Barhale was formed in 1980 as a specialist tunnelling contractor and grew initially through the successful delivery of projects in the water sector, developing mechanical and…”

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

Showing 25 of 6,925 railway tunnel engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 53,716 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railway tunnel engineering firms worldwide at a glance

As of Nov 6, 2026
24.8%Verified-email coverage
31.3Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,948
11-50
2,268
51-200
1,030
201-500
323
501-1,000
116
1,001-5,000
117
5,001-10,000
19
10001+
14

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 tunnel engineering firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “railway tunnel engineering firms” 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 53,716 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 tunnel engineering firms by location

49 lists · largest first

Every Railway tunnel engineering 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 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 tunnel engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway tunnel engineering firms are there worldwide?

RevenueBase identified 6,925 company matches for railway tunnel engineering firms 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?

Tata Consulting Engineers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most railway tunnel engineering firms?

The United Kingdom leads with 584 companies, followed by Germany (509) and Brazil (412). Every railway tunnel engineering firms list by country and city is linked on this page.

Which city has the most railway tunnel engineering firms?

London leads with 102 company records, followed by Sao Paulo (83) and Tehran (71).

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 53,716 professional contacts with verified work emails tracked across these 6,925 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.