Company lists · Data refreshed November 2026

Top 25 Tunnel engineers worldwide

Name: Tunnel engineers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,962 companies tracked

RevenueBase identified 8,962 company matches for tunnel engineers worldwide as of November 2026 and tracks 358,853 professional contacts across them, including 110,750 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tunnel engineers 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 engineers 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

8,962Companies

358,853Contacts tracked

110,750Verified emails

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The 25 largest tunnel engineers worldwide

Ranked by team size

Top 25 of 8,962 company matches for tunnel engineers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Kiewit	Exact match	Omaha, NE, United StatesHQ recorded Nov 6, 2026	10001+	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
2	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,143 contacts →
	Exact match “CDM Smith is shaping what’s next, now, with world class solutions in water, environment, transportation and energy to public and private clients worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	10001+	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
4	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,819 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
5	Terracon	Exact match	Olathe, NE, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,576 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,504 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
7	Leighton Asia	Exact match	Wan Chai, Hong KongHQ recorded Nov 6, 2026	10001+	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
8	ICA Ingenieros Civiles Asociados	Exact match	MexicoHQ recorded Nov 6, 2026	10001+	4,059 contacts →
	Exact match “Somos una empresa mexicana con 68 años de experiencia en brindar soluciones integrales a retos complejos de infraestructura.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	STV	Exact match	New York, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,812 contacts →
	Exact match “Follow STV for practical insight into the infrastructure, ideas and people making communities better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Murphy	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,366 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
11	Implenia	Exact match	Opfikon, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	3,279 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
12	TYLIN	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,268 contacts →
	Exact match “As a global engineering firm, we design infrastructure solutions that connect and elevate communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	CYD Ingeniería	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	1,001-5,000	2,680 contacts →
	Exact match “Nuestro propósito es contribuir al progreso sostenible de Latinoamérica y el mundo, mejorando la calidad de vida de las comunidades y dejando huella en las personas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Multiconsult	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	2,654 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
15	Hindustan Construction Company	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,563 contacts →
	Exact match “HCC is a business group developing and building responsible infrastructure through next practices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	ITD Cementation India LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,518 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Kleinfelder	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,456 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
18	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,363 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Hochtief	Exact match	Essen, GermanyHQ recorded Nov 6, 2026	10001+	2,347 contacts →
	Exact match “Building means shaping.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Megawide Construction Corporation	Exact match	Quezon City, PhilippinesHQ recorded Nov 6, 2026	1,001-5,000	2,203 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
21	Meinhardt Group	Exact match	Phnom Penh, SingaporeHQ recorded Nov 6, 2026	1,001-5,000	2,067 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
22	Dragados SA	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	10001+	2,032 contacts →
	Exact match “DRAGADOS, S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Systra India	Exact match	Faridabad, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,972 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
24	Bouygues Travaux Publics	Exact match	Saint-quentin-en-yvelines Cedex, FranceHQ recorded Nov 6, 2026	10001+	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
25	PER Aarsleff A S	Exact match	Dk-8260 Viby J, DenmarkHQ recorded Nov 6, 2026	5,001-10,000	1,837 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

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “tunnel engineers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,962 tunnel engineers worldwide

See the full list, filter by size, metro and specialty, and access 110,750 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tunnel engineers worldwide at a glance

As of Nov 6, 2026

30.9%Verified-email coverage

40.0Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,787

11-50

2,996

51-200

1,290

201-500

404

501-1,000

156

1,001-5,000

152

5,001-10,000

10001+

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 engineers are linked below.
What qualifies: Company records worldwide whose business descriptions match “tunnel engineers” 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 110,750 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 engineers by location

46 lists · largest first

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

How many tunnel engineers are there worldwide?

RevenueBase identified 8,962 company matches for tunnel engineers 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 tunnel engineers?

The United States leads with 1,846 companies, followed by Germany (558) and Brazil (551). Every tunnel engineers list by country and city is linked on this page.

Which city has the most tunnel engineers?

Sao Paulo leads with 99 company records, followed by Tehran (99) and London (63).

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 110,750 professional contacts with verified work emails tracked across these 8,962 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.