Company lists · Data refreshed November 2026

Top 25 Transportation tunnels suppliers worldwide

RevenueBase identified 384 company matches for transportation tunnels suppliers worldwide as of November 2026 and tracks 11,688 professional contacts across them, including 2,702 with verified work emails. The United States is the largest market and Ankara the largest hub.

This list covers company matches for transportation tunnels suppliers 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 3, 2026. Country and city lists for transportation tunnels suppliers 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 3, 2026 How this list was built
384Companies
11,688Contacts tracked
2,702Verified emails
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The 25 largest transportation tunnels suppliers worldwide

Ranked by team size
Top 25 of 384 company matches for transportation tunnels suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 3, 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 3, 2026 · View company records in RevenueBase
2Exact matchPittsburgh, PA, United StatesHQ recorded Nov 3, 20261,001-5,000641 contacts →

Exact match

“JENNMAR | Delivering Worldwide Solutions Jennmar is a global company leading the way in ground control technology for the mining, tunneling, civil, and infrastructure industries.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchStanford-le-hope, United KingdomHQ recorded Nov 3, 2026501-1,000539 contacts →

Exact match

“Joseph Gallagher is one of the UK's leading Civil Engineering & Tunnelling sub-contractors that has significantly grown over the past 45 years into an international business.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchSantiago, ChileHQ recorded Nov 3, 20261,001-5,000402 contacts →

Exact match

“En GEOVITA somos líderes en construcción y desarrollo subterráneo, con un enfoque al futuro e innovación, que surge en el año 1989 especializándose en operaciones para la minería…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchBasildon, United KingdomHQ recorded Nov 3, 202651-200318 contacts →

Exact match

“Tunnelcraft Ltd is currently working for the BAM Nuttall.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchSeattle, MA, United StatesHQ recorded Nov 3, 2026201-500314 contacts →

Exact match

“Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchSylmar, BC, United StatesHQ recorded Nov 3, 2026201-500305 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchSt Jory, FranceHQ recorded Nov 3, 2026201-500261 contacts →

Exact match

“General contracting company specialising in the construction of tunnels and microtunnels, BESSAC has been building underground structures for 50 years to serve a variety of…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchAntioch, CA, United StatesHQ recorded Nov 3, 2026201-500229 contacts →

Exact match

“Drill Tech Drilling & Shoring, Inc.(DTDS) is a full service Engineering Contractor founded in 1994 Specializing in tunneling, shafts, deep foundation, ground improvement, and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchRegensdorf, United StatesHQ recorded Nov 3, 202651-200223 contacts →

Exact match

“Amberg Engineering is a specialised engineering firm for the design and project management of underground works.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 3, 2026501-1,000196 contacts →

Exact match

“TG Tunnelling is a tunnelling company based out of 2 Athenaeum Rd, London N20 9AE, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchİstanbul, TürkiyeHQ recorded Nov 3, 20261,001-5,000195 contacts →

Exact match

“Özgün İnşaat, leading company of KRK Holding, was established in 1993.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchAnkara, TürkiyeHQ recorded Nov 3, 2026501-1,000142 contacts →

Exact match

“Firmamız, 2002 yılında kurulmuş olup, bu tarihten itibaren kalite, dürüstlük, titizlik ve doğruluk kavramlarını temel prensip edinmiştir.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchMadrid, SpainHQ recorded Nov 3, 202651-200134 contacts →

Exact match

“SYSTRA SUBTERRA is an independent private corporate group, unconnected to construction companies, suppliers of equipment or services and financial companies that now bellows to…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchBolton, United KingdomHQ recorded Nov 3, 2026201-500127 contacts →

Exact match

“A E Yates Ltd is a Bolton based £100m turnover Civil Engineering & Tunnelling Contractor, established in 1870, with a long standing reputation for successfully delivering works of…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchLane Cove West, AustraliaHQ recorded Nov 3, 2026201-500124 contacts →

Exact match

“Delivering Solutions with Integrity, Reliability and Excellence.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchSamutprakarn, ThailandHQ recorded Nov 3, 20261,001-5,000112 contacts →

Exact match

“Herrenknecht is the leading premium supplier worldwide for all-round technology solutions in mechanized tunnelling for tunnel infrastructures of all kinds, as well as for…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchAnkara, TürkiyeHQ recorded Nov 3, 20261,001-5,00098 contacts →

Exact match

“We are a Turkish Construction Company that specialises in Tunnelling, Mining and other associated underground works.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchRisoyhamn, NorwayHQ recorded Nov 3, 2026501-1,00096 contacts →

Exact match

“LNS is North Norway's largest contractor.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchMaltepe, TürkiyeHQ recorded Nov 3, 202651-20095 contacts →

Exact match

“With over 15 years of experience in mechanized tunneling and heavy machinery & equipment, Trakkom Engineering offers sustainable global solutions for the partners all over the…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchBarakaldo, SpainHQ recorded Nov 3, 2026201-50093 contacts →

Exact match

“Obras Subterráneas -Túneles y Galerías -Cimentaciones Especiales -Estabilización de Taludes”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchDallas, CA, United StatesHQ recorded Nov 3, 2026201-50092 contacts →

Exact match

“J.W.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchn/a11-5088 contacts →

Exact match

“China Railway Tunnel Group (abbreviated as “CRTG”), founded in 1978, is the largest engineering enterprise specialized in tunneling and underground works of China, and the…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchSouth AfricaHQ recorded Nov 3, 2026201-50085 contacts →

Exact match

“Mantella Trading 310 (Pty) Ltd are specialist ventilation and civil contractors to the mining industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchLivonia, MI, United StatesHQ recorded Nov 3, 2026201-50083 contacts →

Exact match

“Jay Dee Contractors (Jay Dee) is a family-owned company and a leader in heavy underground construction serving clients across the United States and Canada since 1965.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 384 transportation tunnels suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,702 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transportation tunnels suppliers worldwide at a glance

As of Nov 3, 2026
23.1%Verified-email coverage
30.4Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Ankara
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
104
11-50
113
51-200
83
201-500
48
501-1,000
17
1,001-5,000
8
5,001-10,000
3
10001+
2

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 transportation tunnels suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “transportation tunnels suppliers” 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 2,702 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 3, 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.

Transportation tunnels suppliers by location

3 lists · largest first

Every Transportation tunnels suppliers 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 “transportation tunnels suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transportation tunnels suppliers are there worldwide?

RevenueBase identified 384 company matches for transportation tunnels suppliers 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?

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

Which country has the most transportation tunnels suppliers?

The United States leads with 33 companies, followed by Germany (28) and Italy (27). Every transportation tunnels suppliers list by country and city is linked on this page.

Which city has the most transportation tunnels suppliers?

Ankara leads with 9 company records, followed by Madrid (7) and Istanbul (5).

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 2,702 professional contacts with verified work emails tracked across these 384 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 3, 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.