Company lists · Data refreshed September 2026

Top 25 Data center design and build firms worldwide

RevenueBase identified 4,248 company matches for data center design and build firms worldwide as of September 2026 and tracks 148,351 professional contacts across them, including 52,812 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data center design and build firms 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 19, 2026. Country and city lists for data center design and build firms 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 19, 2026 How this list was built
4,248Companies
148,351Contacts tracked
52,812Verified emails
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The 25 largest data center design and build firms worldwide

Ranked by team size
Top 25 of 4,248 company matches for data center design and build firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchColumbus, OH, United StatesHQ recorded Sep 19, 202610001+14,610 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchDublin, IrelandHQ recorded Sep 19, 20261,001-5,0003,672 contacts →

Exact match

“At PM Group, our vision is to enable a world where science and technology transform lives.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchTysons, VA, United StatesHQ recorded Sep 19, 20265,001-10,0002,761 contacts →

Exact match

“M.C.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United StatesHQ recorded Sep 19, 20261,001-5,0002,090 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchSterling, VA, United StatesHQ recorded Sep 19, 20261,001-5,0002,009 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchHyderabad, IndiaHQ recorded Sep 19, 20261,001-5,0001,942 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchKennesaw, GA, United StatesHQ recorded Sep 19, 20261,001-5,0001,865 contacts →

Exact match

“ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 19, 20261,001-5,0001,842 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchBrasilia, BrazilHQ recorded Sep 19, 20265,001-10,0001,810 contacts →

Exact match

“A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchTempe, AZ, United StatesHQ recorded Sep 19, 20261,001-5,0001,800 contacts →

Exact match

“IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchBoulder, CO, United StatesHQ recorded Sep 19, 20261,001-5,0001,676 contacts →

Exact match

“Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Sep 19, 20261,001-5,0001,560 contacts →

Exact match

“Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchLimerick, IrelandHQ recorded Sep 19, 20261,001-5,0001,486 contacts →

Exact match

“Founded in 1964, Kirby is a leading Mechanical and Electrical engineering contractor with operations in Ireland, the UK, mainland Europe and South Africa.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchFremont, CA, United StatesHQ recorded Sep 19, 202610001+1,138 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchWembley, United KingdomHQ recorded Sep 19, 20261,001-5,0001,053 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLas Vegas, NV, United StatesHQ recorded Sep 19, 20261,001-5,0001,049 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchDenver, CO, United StatesHQ recorded Sep 19, 20261,001-5,0001,036 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchSao Paulo, BrazilHQ recorded Sep 19, 20261,001-5,0001,017 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchEdmonton, AB, CanadaHQ recorded Sep 19, 20261,001-5,000924 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchFranklin, WI, United StatesHQ recorded Sep 19, 20261,001-5,000923 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchDallas, TX, United StatesHQ recorded Sep 19, 2026501-1,000870 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchDallas, TX, United StatesHQ recorded Sep 19, 2026501-1,000868 contacts →

Exact match

“DataBank Holdings Ltd.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchPhoenix, AZ, United StatesHQ recorded Sep 19, 2026201-500849 contacts →

Exact match

“IO is now Iron Mountain.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchCentennial, CO, United StatesHQ recorded Sep 19, 2026501-1,000833 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchNew York, United StatesHQ recorded Sep 19, 2026501-1,000803 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 4,248 data center design and build firms worldwide

See the full list, filter by size, metro and specialty, and access 52,812 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data center design and build firms worldwide at a glance

As of Sep 19, 2026
35.6%Verified-email coverage
34.9Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,504
11-50
1,629
51-200
715
201-500
217
501-1,000
81
1,001-5,000
66
5,001-10,000
7
10001+
15

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 data center design and build firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “data center design and build firms” 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 52,812 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 19, 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.

Data center design and build firms by location

28 lists · largest first

Every Data center design and build firms 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 “data center design and build firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data center design and build firms are there worldwide?

RevenueBase identified 4,248 company matches for data center design and build firms 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?

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

Which country has the most data center design and build firms?

The United States leads with 1,060 companies, followed by the United Kingdom (260) and Brazil (182). Every data center design and build firms list by country and city is linked on this page.

Which city has the most data center design and build firms?

London leads with 79 company records, followed by Sao Paulo (59) and Singapore (43).

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 52,812 professional contacts with verified work emails tracked across these 4,248 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 19, 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.