Company lists · Data refreshed October 2026

Top 25 Data center engineering firms worldwide

Name: Data center engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 8,472 companies tracked

RevenueBase identified 8,472 company matches for data center engineering firms worldwide as of October 2026 and tracks 272,782 professional contacts across them, including 96,229 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data center engineering 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 October 11, 2026. Country and city lists for data center engineering 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 Oct 11, 2026 How this list was built

8,472Companies

272,782Contacts tracked

96,229Verified emails

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The 25 largest data center engineering firms worldwide

Ranked by team size

Top 25 of 8,472 company matches for data center engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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, NY, United StatesHQ recorded Oct 11, 2026	10001+	46,963 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 · Oct 11, 2026 · View company records in RevenueBase
2	Vertiv	Exact match	Columbus, OH, United StatesHQ recorded Oct 11, 2026	10001+	16,034 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 · Oct 11, 2026 · View company records in RevenueBase
3	Sargent & Lundy	Exact match	Chicago, United StatesHQ recorded Oct 11, 2026	1,001-5,000	4,341 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	M.C. Dean, INC	Exact match	Tysons, VA, United StatesHQ recorded Oct 11, 2026	5,001-10,000	2,996 contacts →
	Exact match “M.C.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Park Place Technologies	Exact match	Cleveland, OH, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,471 contacts →
	Exact match “Park Place Technologies is the global leader in data center and networking optimization, we work with more than companies across the globe, boosting infrastructure performance…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	QTS Data Centers	Exact match	Sterling, VA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,376 contacts →
	Exact match “Digital infrastructure leader driven by purpose, innovation and community impact.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	Vantage Data Centers	Exact match	Denver, CO, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,277 contacts →
	Exact match “Vantage Data Centers is a global provider of digital infrastructure serving AI and cloud innovators.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	Ctrls Datacenters	Exact match	Hyderabad, IndiaHQ recorded Oct 11, 2026	1,001-5,000	2,184 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 · Oct 11, 2026 · View company records in RevenueBase
9	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,064 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	NTT Global Data Centers	Exact match	London, United KingdomHQ recorded Oct 11, 2026	1,001-5,000	2,009 contacts →
	Exact match “NTT Global Data Centers is a division of NTT DATA.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Enercon Services, INC	Exact match	Kennesaw, GA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,980 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 · Oct 11, 2026 · View company records in RevenueBase
12	Grupo RCS	Exact match	Brasilia, BrazilHQ recorded Oct 11, 2026	5,001-10,000	1,870 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 · Oct 11, 2026 · View company records in RevenueBase
13	Congruex	Exact match	Boulder, CO, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,666 contacts →
	Exact match “Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,618 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 · Oct 11, 2026 · View company records in RevenueBase
15	Ssoe Group	Exact match	Toledo, OH, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,615 contacts →
	Exact match “As an internationally ranked architecture and engineering firm, SSOE is known for delivering unparalleled client value that advances the AEC industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Kirby Group Engineering	Exact match	Limerick, IrelandHQ recorded Oct 11, 2026	1,001-5,000	1,518 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 · Oct 11, 2026 · View company records in RevenueBase
17	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,404 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Hyve Solutions	Exact match	Fremont, CA, United StatesHQ recorded Oct 11, 2026	10001+	1,308 contacts →
	Exact match “Hyve Solutions is a leader in the design to worldwide deployment of hyperscale digital infrastructures.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	H&mv Engineering	Exact match	Limerick, FranceHQ recorded Oct 11, 2026	1,001-5,000	1,269 contacts →
	Exact match “H & MV Engineering is a leading global provider of Specialist High Voltage Design, Engineering and Construction Services across a variety of key sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	Sungard Availability Services	Exact match	Wayne, PA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,242 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Switch	Exact match	Las Vegas, NV, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,226 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 · Oct 11, 2026 · View company records in RevenueBase
22	Stack Infrastructure	Exact match	Denver, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,192 contacts →
	Exact match “STACK provides digital infrastructure to scale the world’s most innovative companies.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Salute	Exact match	Franklin, WI, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,054 contacts →
	Exact match “We provide high-end technical and professional services for the entire lifecycle of data centers.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Scala Data Centers	Exact match	Sao Paulo, BrazilHQ recorded Oct 11, 2026	1,001-5,000	1,028 contacts →
	Exact match “Scala Data Centers is the leading sustainable data center platform in the Hyperscale market.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Cyrusone	Exact match	Dallas, TX, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,014 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 · Oct 11, 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 “data center engineering firms”. 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 8,472 data center engineering firms worldwide

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Data center engineering firms worldwide at a glance

As of Oct 11, 2026

35.3%Verified-email coverage

32.2Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

3,698

11-50

3,129

51-200

1,120

201-500

290

501-1,000

100

1,001-5,000

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 data center engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “data center engineering 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 96,229 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 October 11, 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 engineering firms by location

57 lists · largest first

Every Data center engineering 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 engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data center engineering firms are there worldwide?

RevenueBase identified 8,472 company matches for data center engineering firms worldwide as of October 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 data center engineering firms?

The United States leads with 2,320 companies, followed by Germany (443) and Brazil (400). Every data center engineering firms list by country and city is linked on this page.

Which city has the most data center engineering firms?

London leads with 118 company records, followed by Sao Paulo (95) and New York (68).

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 96,229 professional contacts with verified work emails tracked across these 8,472 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 October 11, 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.