Company lists · Data refreshed September 2026

Top 25 Data center construction companies worldwide

RevenueBase identified 2,642 data center construction companies worldwide as of September 2026 and tracks 161,473 professional contacts across them, including 61,931 with verified work emails and 27,207 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers data center construction companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 2026. Country and city lists for data center construction companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
2,642Companies
161,473Contacts tracked
61,931Verified emails
27,207Mobile numbers
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The 25 largest data center construction companies worldwide

Ranked by team size
Top 25 of 2,642 data center construction companies worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to data center construction companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York City, NY, United StatesHQ checked Sep 6, 202610001+45,903 contacts →

Indirect evidence

“We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.”

Source: RevenueBase Database · checked Sep 6, 2026
2Strong evidenceColumbus, OH, United StatesHQ checked Sep 6, 202610001+14,610 contacts →

Strong evidence

“Vertiv is a global leader in critical digital infrastructure for applications in data centers, communication networks, and commercial and industrial environments.”

Source: RevenueBase Database · checked Sep 6, 2026
3Strong evidenceDenver, CO, United StatesHQ checked Sep 6, 20261,001-5,0002,090 contacts →

Strong evidence

“Vantage Data Centers is a global provider of digital infrastructure serving AI and cloud innovators.”

Source: RevenueBase Database · checked Sep 6, 2026
4Indirect evidenceSterling, VA, United StatesHQ checked Sep 6, 20261,001-5,0002,009 contacts →

Indirect evidence

“Digital infrastructure leader driven by purpose, innovation and community impact.”

Source: RevenueBase Database · checked Sep 6, 2026
5Indirect evidenceHyderabad, IndiaHQ checked Sep 6, 20261,001-5,0001,942 contacts →

Indirect evidence

“Since its inception in 2007, CtrlS has been a frontrunner in the datacenter industry with the largest Rated-4 datacenter footprint.”

Source: RevenueBase Database · checked Sep 6, 2026
6Strong evidenceLondon, United KingdomHQ checked Sep 6, 20261,001-5,0001,842 contacts →

Strong evidence

“NTT Global Data Centers is a division of NTT DATA.”

Source: RevenueBase Database · checked Sep 6, 2026
7Partial evidenceWayne, PA, United StatesHQ checked Sep 6, 20261,001-5,0001,175 contacts →

Partial evidence

“11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…”

Source: RevenueBase Database · checked Sep 6, 2026
8Indirect evidenceFremont, CA, United StatesHQ checked Sep 6, 202610001+1,138 contacts →

Indirect evidence

“Hyve Solutions is a leader in the design to worldwide deployment of hyperscale digital infrastructures.”

Source: RevenueBase Database · checked Sep 6, 2026
9Strong evidenceLas Vegas, NV, United StatesHQ checked Sep 6, 20261,001-5,0001,049 contacts →

Strong evidence

“Switch was founded in by CEO Rob Roy and stands at the forefront as the premier data center designer, builder and operator, owning 100% of its land and facilities.”

Source: RevenueBase Database · checked Sep 6, 2026
10Indirect evidenceDenver, CO, United StatesHQ checked Sep 6, 20261,001-5,0001,036 contacts →

Indirect evidence

“STACK provides digital infrastructure to scale the world’s most innovative companies.”

Source: RevenueBase Database · checked Sep 6, 2026
11Strong evidenceSao Paulo, BrazilHQ checked Sep 6, 20261,001-5,0001,017 contacts →

Strong evidence

“Scala Data Centers is the leading sustainable data center platform in the Hyperscale market.”

Source: RevenueBase Database · checked Sep 6, 2026
12Strong evidenceGrand Rapids, MI, United StatesHQ checked Sep 6, 20261,001-5,0001,015 contacts →

Strong evidence

“Service Express, a Park Place Technologies Company, is a leading data center solutions provider specializing in multivendor maintenance, managed infrastructure and hardware…”

Source: RevenueBase Database · checked Sep 6, 2026
13Strong evidenceEdmonton, AB, CanadaHQ checked Sep 6, 20261,001-5,000924 contacts →

Strong evidence

“About Silent-Aire Founded in 1994, Silent-Aire is technology driven company that designs, engineers, manufactures and services hyperscale data center solutions.”

Source: RevenueBase Database · checked Sep 6, 2026
14Strong evidenceFranklin, WI, United StatesHQ checked Sep 6, 20261,001-5,000923 contacts →

Strong evidence

“We provide high-end technical and professional services for the entire lifecycle of data centers.”

Source: RevenueBase Database · checked Sep 6, 2026
15Strong evidenceDallas, TX, United StatesHQ checked Sep 6, 2026501-1,000870 contacts →

Strong evidence

“CyrusOne is a leading global data center developer and operator, delivering sophisticated digital infrastructure solutions worldwide.”

Source: RevenueBase Database · checked Sep 6, 2026
16Indirect evidenceDallas, TX, United StatesHQ checked Sep 6, 2026501-1,000868 contacts →

Indirect evidence

“DataBank Holdings Ltd.”

Source: RevenueBase Database · checked Sep 6, 2026
17Indirect evidencePhoenix, AZ, United StatesHQ checked Sep 6, 2026201-500849 contacts →

Indirect evidence

“IO is now Iron Mountain.”

Source: RevenueBase Database · checked Sep 6, 2026
18Indirect evidenceCentennial, CO, United StatesHQ checked Sep 6, 2026501-1,000833 contacts →

Indirect evidence

“Flexential empowers the IT journey of the nation’s most complex businesses by offering tailored hybrid IT solutions delivered via the FlexAnywhere® platform of integrated…”

Source: RevenueBase Database · checked Sep 6, 2026
19Indirect evidenceNew York, United StatesHQ checked Sep 6, 2026501-1,000803 contacts →

Indirect evidence

“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.”

Source: RevenueBase Database · checked Sep 6, 2026
20Strong evidenceLondon, United KingdomHQ checked Sep 6, 2026501-1,000785 contacts →

Strong evidence

“RED Engineering Design, a company of Tractebel, is a global engineering consultancy specialising in the design of complex, mission-critical Data Centre and digital infrastructure…”

Source: RevenueBase Database · checked Sep 6, 2026
21Partial evidenceMumbai, IndiaHQ checked Sep 6, 2026501-1,000752 contacts →

Partial evidence

“Yotta Data Services Private Limited is a Hiranandani group company.”

Source: RevenueBase Database · checked Sep 6, 2026
22Indirect evidenceTampa, FL, United StatesHQ checked Sep 6, 20261,001-5,000745 contacts →

Indirect evidence

“Limbach is a leading building solutions firm delivering mission critical infrastructure that supports life’s most important moments.”

Source: RevenueBase Database · checked Sep 6, 2026
23Partial evidenceGerrards Cross, United KingdomHQ checked Sep 6, 2026501-1,000734 contacts →

Partial evidence

“TSL is a leader in technical construction, operating across EMEA, the Americas and APAC.”

Source: RevenueBase Database · checked Sep 6, 2026
24Partial evidenceFullerton, CA, United StatesHQ checked Sep 6, 2026501-1,000734 contacts →

Partial evidence

“SASCO has been a leader in electrical construction and low-voltage systems technologies for 50 years.”

Source: RevenueBase Database · checked Sep 6, 2026
25Strong evidenceSingaporeHQ checked Sep 6, 2026501-1,000720 contacts →

Strong evidence

“DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions.”

Source: RevenueBase Database · checked Sep 6, 2026

Showing 25 of 2,642 data center construction companies worldwide

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Data center construction companies worldwide at a glance

As of Sep 6, 2026
38.4%Verified-email coverage
16.8%Mobile-number coverage
61.1Average contacts per company
11-50Median size (employees)
3.3%Largest-city concentration · London
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
871
11-50
1,044
51-200
463
201-500
134
501-1,000
64
1,001-5,000
46
5,001-10,000
3
10001+
11

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data center construction companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
24 countries, largest first: the United States, the United Kingdom, India, Brazil, Germany, Canada, France, the Netherlands, Türkiye, Mexico and 14 more. Country and city lists for data center construction companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “data center construction companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names data center construction companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among data center construction companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 61,931 across the full list. 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 between September 6, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Data center construction companies by location

29 lists · largest first

Every Data center construction 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names data center construction companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many data center construction companies are there worldwide?

RevenueBase identified 2,642 data center construction companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kyndryl, headquartered in New York City, tops this list with the largest team on record.

Which country has the most data center construction companies?

The United States leads with 969 companies, followed by the United Kingdom (238) and India (179). Every data center construction companies list by country and city is linked on this page.

Which city has the most data center construction companies?

London leads with 87 headquartered companies, followed by Sao Paulo (49) and Singapore (49).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 61,931 verified decision-maker contacts tracked across these 2,642 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 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 Smart Search, 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.