Company lists · Data refreshed November 2026

Top 25 Underwater tunneling contractors worldwide

RevenueBase identified 1,375 company matches for underwater tunneling contractors worldwide as of November 2026 and tracks 98,382 professional contacts across them, including 27,426 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for underwater tunneling 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 underwater tunneling 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
1,375Companies
98,382Contacts tracked
27,426Verified emails
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The 25 largest underwater tunneling contractors worldwide

Ranked by team size
Top 25 of 1,375 company matches for underwater tunneling 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 matchOmaha, NE, United StatesHQ recorded Nov 6, 202610001+21,044 contacts →

Exact match

“At Kiewit, the projects we deliver make a difference, and we offer opportunities for you to make one, too.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBeijing, ChinaHQ recorded Nov 6, 20265,001-10,0004,212 contacts →

Exact match

“CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.”

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 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
6Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0002,456 contacts →

Exact match

“At Kleinfelder, we have been connecting great people to the best work since 1961.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Nov 6, 202610001+2,032 contacts →

Exact match

“DRAGADOS, S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 20265,001-10,0001,900 contacts →

Exact match

“ABV Rock Group is a construction contractor that operates in several interlinked sectors covering buildings and civil works, and acts as a principal and specialist contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDk-8260 Viby J, DenmarkHQ recorded Nov 6, 20265,001-10,0001,837 contacts →

Exact match

“I Aarsleff-koncernen er vi drevet af ordentlighed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchUsa, CO, CanadaHQ recorded Nov 6, 20265,001-10,0001,586 contacts →

Exact match

“Built on a foundation of excellence, FlatironDragados operates in the United States and Canada through FlatironDragados USA and FlatironDragados Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCharlotte, VA, United StatesHQ recorded Nov 6, 20261,001-5,0001,396 contacts →

Exact match

“The Lane Construction Corporation is one of America’s leading construction companies, specializing in large, complex civil infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchCranford, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000898 contacts →

Exact match

“Founded in 1919, Weeks Marine, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchVisakhapatnam, IndiaHQ recorded Nov 6, 20261,001-5,000859 contacts →

Exact match

“A Construction and Infrastructure giant with four and a half decades of extensive expertise and significant success across diverse sectors, including Buildings, Transportation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchTarascon, FranceHQ recorded Nov 6, 2026n/a787 contacts →

Exact match

“Nous intervenons sur des chantiers techniquement complexes dont la technicité nécessite la mise en synergie de nombreuses compétences : infrastructures de transport (ouvrages…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGlen Allen, VA, United StatesHQ recorded Nov 6, 2026501-1,000767 contacts →

Exact match

“Schnabel is a trusted partner in building the foundation for project success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRome, ItalyHQ recorded Nov 6, 20265,001-10,000761 contacts →

Exact match

“Founded in 1894, Ghella is a major Italian global force recognized for its excellence in the construction of large-scale public infrastructure and expertise in the use of Tunnel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBozeman, MT, United StatesHQ recorded Nov 6, 2026201-500624 contacts →

Exact match

“In 1975, Tim Barnard moved to Montana with an idea that he could start his own construction company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBarcelona, ItalyHQ recorded Nov 6, 20261,001-5,000604 contacts →

Exact match

“As a global engineering firm, TYLin designs infrastructure solutions that connect and elevate communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHyderabad, IndiaHQ recorded Nov 6, 2026501-1,000585 contacts →

Exact match

“MAX INFRA (I) LIMITED is a construction company based out of 4th Floor, Plot No.319 & 320, Ayyappa Society, Madhapur, HYDERABAD, Telangana, India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFrankfurt, GermanyHQ recorded Nov 6, 20261,001-5,000561 contacts →

Exact match

“Die Wayss & Freytag Ingenieurbau AG ist eines der führenden deutschen Bauunternehmen.”

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

Showing 25 of 1,375 underwater tunneling contractors worldwide

See the full list, filter by size, metro and specialty, and access 27,426 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Underwater tunneling contractors worldwide at a glance

As of Nov 6, 2026
27.9%Verified-email coverage
71.6Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Singapore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
385
11-50
399
51-200
309
201-500
137
501-1,000
61
1,001-5,000
43
5,001-10,000
11
10001+
8

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 underwater tunneling contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “underwater tunneling 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 27,426 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.

Underwater tunneling contractors by location

14 lists · largest first

Every Underwater tunneling 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 “underwater tunneling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater tunneling contractors are there worldwide?

RevenueBase identified 1,375 company matches for underwater tunneling 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?

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

Which country has the most underwater tunneling contractors?

The United States leads with 231 companies, followed by Germany (118) and the United Kingdom (71). Every underwater tunneling contractors list by country and city is linked on this page.

Which city has the most underwater tunneling contractors?

Singapore leads with 17 company records, followed by Tehran (17) and London (13).

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 27,426 professional contacts with verified work emails tracked across these 1,375 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.