Company lists · Data refreshed November 2026

Top 25 Rail infrastructure engineering companies worldwide

RevenueBase identified 25,956 company matches for rail infrastructure engineering companies worldwide as of November 2026 and tracks 1,137,137 professional contacts across them, including 332,163 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for rail infrastructure engineering companies 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 rail infrastructure engineering companies 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
25,956Companies
1,137,137Contacts tracked
332,163Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest rail infrastructure engineering companies worldwide

Ranked by team size
Top 25 of 25,956 company matches for rail infrastructure engineering companies 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 matchDallas, TX, United StatesHQ recorded Nov 6, 202610001+68,572 contacts →

Exact match

“AECOM is the global infrastructure leader, committed to delivering a better world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMilton Keynes, United KingdomHQ recorded Nov 6, 202610001+25,837 contacts →

Exact match

“We’re at the heart of revitalising Britain’s railway, getting people and goods where they need to be and supporting the economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202610001+25,123 contacts →

Exact match

“We are a world-class engineering services and nuclear organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchStockholm, SwedenHQ recorded Nov 6, 202610001+13,426 contacts →

Exact match

“AFRY is a European leader in engineering, design, and advisory services, with a global reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSaint-quentin-en-yvelines, FranceHQ recorded Nov 6, 202610001+12,851 contacts →

Exact match

“Egis is a leading global architectural, consulting, construction engineering, operations and mobility services firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchBeirut, LebanonHQ recorded Nov 6, 202610001+11,589 contacts →

Exact match

“Dar is one of the world’s leading consultancies, providing design, planning, engineering, sustainability consulting, digital solutions and services, project management, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,00011,223 contacts →

Exact match

“KEC International Limited, the flagship company of RPG Enterprises is a diversified global infrastructure Engineering, Procurement & Construction (EPC) major, with a presence in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchMontreal, ON, CanadaHQ recorded Nov 6, 202610001+10,470 contacts →

Exact match

“We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEpsom, FL, United KingdomHQ recorded Nov 6, 202610001+9,322 contacts →

Exact match

“Atkins is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202610001+8,131 contacts →

Exact match

“URS Corporation operations are now affiliated with AECOM.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 20265,001-10,0007,819 contacts →

Exact match

“For over a century, HNTB has shaped the built environment with distinctive expertise across a full spectrum of infrastructure solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchVeera Desai Road, IndiaHQ recorded Nov 6, 20261,001-5,0006,920 contacts →

Exact match

“Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJuiz De Fora, BrazilHQ recorded Nov 6, 202610001+6,590 contacts →

Exact match

“Somos a MRS, Uma das maiores operadoras logísticas do mundo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDowntown, PolandHQ recorded Nov 6, 20265,001-10,0006,495 contacts →

Exact match

“Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMelbourne Cbd, AustraliaHQ recorded Nov 6, 20265,001-10,0006,407 contacts →

Exact match

“At John Holland, our purpose is simple: we transform lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,0006,367 contacts →

Exact match

“THE WORLD'S LOCAL EPC PARTNER Kalpataru Projects International Limited (KPIL), part of the Kalpataru Group, is a leading global engineering and construction company with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 202610001+5,430 contacts →

Exact match

“SYSTRA is one of the world's leading engineering and consultancy groups specialising in public transport and mobility solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMadrid, SpainHQ recorded Nov 6, 202610001+5,319 contacts →

Exact match

“Adif, el Administrador de Infraestructuras Ferroviarias, es una entidad pública empresarial dependiente del Ministerio de Transportes y Movilidad Sostenible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKowloon Bay, Hong KongHQ recorded Nov 6, 202610001+5,147 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Nov 6, 20265,001-10,0005,030 contacts →

Exact match

“Ingeniería y consultoría de referencia en el ámbito de la movilidad sostenible y la transformación digital Englobada dentro del grupo del Ministerio de Transportes y Movilidad…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBrussels, BelgiumHQ recorded Nov 6, 20265,001-10,0004,919 contacts →

Exact match

“Infrabel builds, maintains and renews the railway infrastructure in Belgium: tracks, switches, bridges, tunnels, overpasses and signals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20265,001-10,0004,504 contacts →

Exact match

“Michael Baker International is a leading provider of engineering, consulting, and technology services spanning four Verticals: Infrastructure, Places and Facilities, Federal and…”

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

Showing 25 of 25,956 rail infrastructure engineering companies worldwide

See the full list, filter by size, metro and specialty, and access 332,163 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Rail infrastructure engineering companies worldwide at a glance

As of Nov 6, 2026
29.2%Verified-email coverage
43.8Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
10,659
11-50
8,635
51-200
3,984
201-500
1,262
501-1,000
495
1,001-5,000
435
5,001-10,000
71
10001+
91

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 rail infrastructure engineering companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “rail infrastructure engineering 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. 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 332,163 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.

Rail infrastructure engineering companies by location

140 lists · largest first

Every Rail infrastructure engineering companies 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 “rail infrastructure engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rail infrastructure engineering companies are there worldwide?

RevenueBase identified 25,956 company matches for rail infrastructure engineering companies 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?

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

Which country has the most rail infrastructure engineering companies?

The United States leads with 2,712 companies, followed by Brazil (1,770) and India (1,699). Every rail infrastructure engineering companies list by country and city is linked on this page.

Which city has the most rail infrastructure engineering companies?

Sao Paulo leads with 266 company records, followed by London (241) and Tehran (171).

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 332,163 professional contacts with verified work emails tracked across these 25,956 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.

Ready to reach these companies? Verified emails and direct dials for all 25,956 rail infrastructure engineering companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.