Company lists · Data refreshed November 2026

Top 25 Tunnel engineering consultants worldwide

RevenueBase identified 6,994 company matches for tunnel engineering consultants worldwide as of November 2026 and tracks 190,362 professional contacts across them, including 50,809 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for tunnel engineering consultants 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 tunnel engineering consultants 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
6,994Companies
190,362Contacts tracked
50,809Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest tunnel engineering consultants worldwide

Ranked by team size
Top 25 of 6,994 company matches for tunnel engineering consultants 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 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
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 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
6Exact 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
7Exact 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
8Exact 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
9Exact matchAlbany, NH, United StatesHQ recorded Nov 6, 20261,001-5,0001,780 contacts →

Exact match

“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchMelville, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,401 contacts →

Exact match

“With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact 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
15Exact matchNew Delhi, IndiaHQ recorded Nov 6, 20261,001-5,000985 contacts →

Exact match

“NK India is a part of the ID & E Group (formerly known as Nippon Koei Group) worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKolkata, IndiaHQ recorded Nov 6, 20261,001-5,000941 contacts →

Exact match

“M.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCairo, EgyptHQ recorded Nov 6, 20261,001-5,000883 contacts →

Exact match

“ACE Moharam Bakhoum is a privately-owned international multidisciplinary engineering consultancy and project management organization, founded in 1950.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBrisbane, AustraliaHQ recorded Nov 6, 2026501-1,000873 contacts →

Exact match

“Robert Bird Group (RBG), member of the Surbana Jurong Group, is a specialist structural, civil and construction engineering consultancy with over 800 employees across 12 offices…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchJaipur, IndiaHQ recorded Nov 6, 20261,001-5,000864 contacts →

Exact match

“Theme Engineering Services Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026501-1,000820 contacts →

Exact match

“Dorsch Holding GmbH – Abu Dhabi is part of Dorsch Global – a global network of planning and consulting companies, headquartered in Essen, Germany.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTehran, IranHQ recorded Nov 6, 20261,001-5,000814 contacts →

Exact match

“Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDetroit, MI, United StatesHQ recorded Nov 6, 2026501-1,000810 contacts →

Exact match

“At Wade Trim, we are committed to maximizing the value of your infrastructure investment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIselin, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000800 contacts →

Exact match

“This page is now closed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchShinjuku-ku, JapanHQ recorded Nov 6, 2026201-500783 contacts →

Exact match

“Oriental Consultants Global is a consulting company based in Japan that facilitates development in countries all around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000781 contacts →

Exact match

“TPF INGENIERÍA is one of the leading engineering companies in Spain, truly committed to innovation and excellence in all aspects of infrastructure development.”

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

Showing 25 of 6,994 tunnel engineering consultants worldwide

See the full list, filter by size, metro and specialty, and access 50,809 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Tunnel engineering consultants worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
27.2Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Tehran
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,002
11-50
2,389
51-200
986
201-500
326
501-1,000
107
1,001-5,000
86
5,001-10,000
14
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 tunnel engineering consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “tunnel engineering consultants” 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 50,809 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.

Tunnel engineering consultants by location

45 lists · largest first

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

How many tunnel engineering consultants are there worldwide?

RevenueBase identified 6,994 company matches for tunnel engineering consultants 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?

URS Corporation, An Aecom Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tunnel engineering consultants?

The United States leads with 896 companies, followed by Brazil (407) and Germany (395). Every tunnel engineering consultants list by country and city is linked on this page.

Which city has the most tunnel engineering consultants?

Tehran leads with 86 company records, followed by Sao Paulo (79) and Belo Horizonte (46).

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 50,809 professional contacts with verified work emails tracked across these 6,994 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 6,994 tunnel engineering consultants 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.