Company lists · Data refreshed September 2026

Top 25 Infrastructure services companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 20,494 companies tracked

RevenueBase identified 20,494 company matches for infrastructure services companies worldwide as of September 2026 and tracks 965,236 professional contacts across them, including 229,348 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for infrastructure services 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 20, 2026. Country and city lists for infrastructure services 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 20, 2026 How this list was built

20,494Companies

965,236Contacts tracked

229,348Verified emails

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The 25 largest infrastructure services companies worldwide

Ranked by team size

Top 25 of 20,494 company matches for infrastructure services companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Kyndryl	Exact match	New York City, NY, United StatesHQ recorded Sep 20, 2026	10001+	45,903 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Saipem	Exact match	Milan, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
3	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Sep 20, 2026	10001+	22,733 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Tata Projects	Exact match	Mumbai, IndiaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
5	Verizon Business	Exact match	Basking Ridge, NJ, United StatesHQ recorded Sep 20, 2026	10001+	12,837 contacts →
	Exact match “You’re more than a business, agency or organization leader.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Sep 20, 2026	10001+	10,851 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Downer	Exact match	North Ryde, AustraliaHQ recorded Sep 20, 2026	10001+	10,666 contacts →
	Exact match “Enabling communities to thrive.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Sulzer	Exact match	Winterthur, SwitzerlandHQ recorded Sep 20, 2026	10001+	8,220 contacts →
	Exact match “Sulzer is a global leader in critical applications for core infrastructure and processes for large essential industries around the world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	URS Corporation, An Aecom Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	10001+	7,706 contacts →
	Exact match “URS Corporation operations are now affiliated with AECOM.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	HNTB	Exact match	Kansas City, MO, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11	Windstream	Exact match	Little Rock, AR, United StatesHQ recorded Sep 20, 2026	10001+	7,275 contacts →
	Exact match “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	AMEY	Exact match	London, United KingdomHQ recorded Sep 20, 2026	10001+	6,667 contacts →
	Exact match “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Colt Technology Services	Exact match	London, United KingdomHQ recorded Sep 20, 2026	5,001-10,000	6,233 contacts →
	Exact match “Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Sep 20, 2026	5,001-10,000	6,080 contacts →
	Exact match “With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Webuild	Exact match	Rozzano (mi), ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
16	Aecon Group INC	Exact match	Toronto, ON, CanadaHQ recorded Sep 20, 2026	10001+	5,565 contacts →
	Exact match “Aecon Group Inc.(TSX: ARE) is a North American construction and infrastructure development company with global experience.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Concremat Engenharia E Tecnologia	Exact match	São Paulo, BrazilHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
18	NTT	Exact match	Chiyoda-ku, JapanHQ recorded Sep 20, 2026	10001+	4,680 contacts →
	Exact match “NTT is a leading global technology innovator, providing a broad range of services to both consumers and businesses.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Shared Services Canada Services Partagés Canada	Exact match	Ottawa, ON, CanadaHQ recorded Sep 20, 2026	5,001-10,000	4,650 contacts →
	Exact match “Shared Services Canada is modernizing how the Government of Canada manages its information technology (IT) infrastructure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Grupo Cobra	Exact match	Madrid, SpainHQ recorded Sep 20, 2026	10001+	4,478 contacts →
	Exact match “Grupo Cobra es una compañía global de más de 80 años de experiencia en el sector de la ingeniería industrial aplicada y servicios especializados.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Michael Baker International	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
22	Primoris Services Corporation	Exact match	Dallas, TX, United StatesHQ recorded Sep 20, 2026	10001+	4,089 contacts →
	Exact match “Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	ICA Ingenieros Civiles Asociados	Exact match	MexicoHQ recorded Sep 20, 2026	10001+	3,752 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 · Sep 20, 2026 · View company records in RevenueBase
24	Black BOX	Exact match	Plano, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	3,667 contacts →
	Exact match “Black Box is a global leader in digital infrastructure solutions, delivering network and system integration, managed services, and technology products to Fortune 100 and top…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	CBSI	Exact match	Volta Redonda, BrazilHQ recorded Sep 20, 2026	10001+	3,658 contacts →
	Exact match “Somos a CBSI!” Recorded in the RevenueBase company graph · Sep 20, 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 services 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 20,494 infrastructure services companies worldwide

See the full list, filter by size, metro and specialty, and access 229,348 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure services companies worldwide at a glance

As of Sep 20, 2026

23.8%Verified-email coverage

47.1Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

7,630

11-50

7,105

51-200

3,307

201-500

1,162

501-1,000

511

1,001-5,000

526

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 infrastructure services companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “infrastructure services 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 229,348 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 20, 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 services companies by location

90 lists · largest first

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

How many infrastructure services companies are there worldwide?

RevenueBase identified 20,494 company matches for infrastructure services 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?

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

Which country has the most infrastructure services companies?

The United States leads with 3,573 companies, followed by India (2,188) and Brazil (1,454). Every infrastructure services companies list by country and city is linked on this page.

Which city has the most infrastructure services companies?

Sao Paulo leads with 278 company records, followed by London (236) and New Delhi (159).

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 229,348 professional contacts with verified work emails tracked across these 20,494 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 20, 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.