Company lists · Data refreshed September 2026

Top 25 Infrastructure engineering staffing companies worldwide

Name: Infrastructure engineering staffing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 48,898 companies tracked

RevenueBase identified 48,898 company matches for infrastructure engineering staffing companies worldwide as of September 2026 and tracks 1,597,702 professional contacts across them, including 420,826 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for infrastructure engineering staffing 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 September 28, 2026. Country and city lists for infrastructure engineering staffing 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 Sep 28, 2026 How this list was built

48,898Companies

1,597,702Contacts tracked

420,826Verified emails

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The 25 largest infrastructure engineering staffing companies worldwide

Ranked by team size

Top 25 of 48,898 company matches for infrastructure engineering staffing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	AECOM	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	10001+	63,914 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Saipem	Exact match	Milan, ItalyHQ recorded Sep 28, 2026	10001+	34,095 contacts →
	Exact match “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 28, 2026	10001+	28,416 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	10001+	25,068 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	10001+	22,733 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Kiewit	Exact match	Omaha, NE, United StatesHQ recorded Sep 28, 2026	10001+	19,465 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 · Sep 28, 2026 · View company records in RevenueBase
7	Tata Projects	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	14,384 contacts →
	Exact match “Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Sep 28, 2026	10001+	12,999 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	5,001-10,000	10,868 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 · Sep 28, 2026 · View company records in RevenueBase
10	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Sep 28, 2026	10001+	10,851 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Snc-Lavalin	Exact match	Montreal, QC, CanadaHQ recorded Sep 28, 2026	10001+	9,992 contacts →
	Exact match “SNC Lavalin is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Techint Engineering & Construction	Exact match	Ciudad De Buenos Aires, ArgentinaHQ recorded Sep 28, 2026	10001+	9,509 contacts →
	Exact match “Techint Engineering & Construction provides project management, engineering, procurement and construction services on a global basis for large-scale projects in the Oil & Gas…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 28, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	5,001-10,000	8,440 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 · Sep 28, 2026 · View company records in RevenueBase
15	Laing O'rourke	Exact match	North Sydney, United KingdomHQ recorded Sep 28, 2026	10001+	8,215 contacts →
	Exact match “Laing O’Rourke is a global engineering and manufacturing-led construction leader, delivering state-of-the-art infrastructure and buildings projects in the UK, Australia and the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	10001+	7,706 contacts →
	Exact match “URS Corporation operations are now affiliated with AECOM.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	CDM Smith	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	7,527 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 · Sep 28, 2026 · View company records in RevenueBase
18	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Sep 28, 2026	5,001-10,000	7,469 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 · Sep 28, 2026 · View company records in RevenueBase
19	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Sep 28, 2026	1,001-5,000	6,807 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,113 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Webuild	Exact match	Rozzano (mi), ItalyHQ recorded Sep 28, 2026	10001+	5,966 contacts →
	Exact match “Webuild is a global leader in the construction of large, complex infrastructure, with a focus on sustainable mobility, hydropower, water treatment and supply, and green buildings.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Bentley Systems	Exact match	Exton, PA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	5,230 contacts →
	Exact match “Around the world, infrastructure professionals rely on software from Bentley Systems to help them design, build, and operate better and more resilient infrastructure for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Concremat Engenharia E Tecnologia	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	1,001-5,000	5,154 contacts →
	Exact match “Desde 2017 a Concremat atua como plataforma integradora de negócios para a China Communication Construction conectando a América Latina a uma rede global de especialistas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Tradesmen International	Exact match	Macedonia, OH, United StatesHQ recorded Sep 28, 2026	10001+	4,999 contacts →
	Exact match “Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	4,362 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 · Sep 28, 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 “infrastructure engineering staffing companies”. 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 48,898 infrastructure engineering staffing companies worldwide

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Infrastructure engineering staffing companies worldwide at a glance

As of Sep 28, 2026

26.3%Verified-email coverage

32.7Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

20,807

11-50

15,918

51-200

7,585

201-500

2,466

501-1,000

910

1,001-5,000

761

5,001-10,000

113

10001+

128

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 infrastructure engineering staffing companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “infrastructure engineering staffing 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 420,826 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 September 28, 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.

Infrastructure engineering staffing companies by location

218 lists · largest first

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

How many infrastructure engineering staffing companies are there worldwide?

RevenueBase identified 48,898 company matches for infrastructure engineering staffing companies worldwide as of September 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 infrastructure engineering staffing companies?

The United States leads with 9,325 companies, followed by India (3,633) and the United Kingdom (3,625). Every infrastructure engineering staffing companies list by country and city is linked on this page.

Which city has the most infrastructure engineering staffing companies?

London leads with 767 company records, followed by Sao Paulo (525) and Houston (320).

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 420,826 professional contacts with verified work emails tracked across these 48,898 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 September 28, 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.