Company lists · Data refreshed September 2026

Top 25 Data center retrofit companies worldwide

RevenueBase identified 2,203 company matches for data center retrofit companies worldwide as of September 2026 and tracks 64,602 professional contacts across them, including 18,778 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for data center retrofit 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 19, 2026. Country and city lists for data center retrofit 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 19, 2026 How this list was built
2,203Companies
64,602Contacts tracked
18,778Verified emails
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The 25 largest data center retrofit companies worldwide

Ranked by team size
Top 25 of 2,203 company matches for data center retrofit companies 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 matchCleveland, OH, United StatesHQ recorded Sep 19, 20261,001-5,0002,250 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 · Sep 19, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact matchLondon, United KingdomHQ recorded Sep 19, 2026501-1,000785 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchDublin, IrelandHQ recorded Sep 19, 2026501-1,000764 contacts →

Exact match

“Winthrop Technologies is a dedicated data centre delivery partner providing turnkey solutions to our clients, headquartered in Dublin and delivering throughout Europe.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchJohannesburg, South AfricaHQ recorded Sep 19, 2026501-1,000567 contacts →

Exact match

“Nexio is a South African-based, enterprise‑grade technology services provider that helps organisations secure, transform, and operate their digital environments with confidence.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchHalle, BelgiumHQ recorded Sep 19, 202651-200524 contacts →

Exact match

“Automation - THE power management company Automation aims to be an expert partner for its customers in the management of the electrical power by delivering highly qualitative…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchLexington, United StatesHQ recorded Sep 19, 2026501-1,000522 contacts →

Exact match

“Airedale by Modine is the critical cooling specialist, with the technology and expertise to meet the specific operational demands of data centers worldwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchGurugram, IndiaHQ recorded Sep 19, 202651-200517 contacts →

Exact match

“Shaping a future where technology meets responsibility.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchMumbai, IndiaHQ recorded Sep 19, 2026501-1,000464 contacts →

Exact match

“ST Telemedia Global Data Centres India (STT GDC India) is a market-leading Data Centre Colocation services provider offering AI-Ready, carrier-neutral DC colocation services…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026501-1,000428 contacts →

Exact match

“TAS is a global technology company that provides modular engineered products for data centers and other industries.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchHollywood, FL, United StatesHQ recorded Sep 19, 2026201-500423 contacts →

Exact match

“NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchDallas, TX, United StatesHQ recorded Sep 19, 2026501-1,000373 contacts →

Exact match

“Integra is an industry-leading team designing & delivering innovative turnkey data centers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchAshburn, VA, United StatesHQ recorded Sep 19, 2026501-1,000353 contacts →

Exact match

“Hanley Energy are global innovators in Critical Power and Energy Management solutions, with a stable of world-class engineers shared between European headquarters in Ireland…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchBrasilia, BrazilHQ recorded Sep 19, 2026201-500350 contacts →

Exact match

“A Orion, fundado há 30 anos, atua em diferentes segmentos de mercado, oferecendo soluções tecnológicas e serviços especializados de engenharia.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSingaporeHQ recorded Sep 19, 202651-200344 contacts →

Exact match

“Pro-Matrix, prides on developing and designing data centers tailored to meet all our client’s business needs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchBethel, CT, United StatesHQ recorded Sep 19, 2026201-500343 contacts →

Exact match

“ComNet Communications is a national network infrastructure integrator delivering large-scale, mission-critical deployments across the United States.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Sep 19, 2026201-500317 contacts →

Exact match

“A Aceco TI é uma empresa líder na construção de data centers na América Latina.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchDowners Grove, IL, United StatesHQ recorded Sep 19, 2026501-1,000301 contacts →

Exact match

“Since 2009, National Technologies (NTI) has installed mission-critical data center infrastructure and OSP and ISP fiber solutions to keep our customers connected and competitive.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchDelhi, IndiaHQ recorded Sep 19, 202651-200293 contacts →

Exact match

“Sky IT Infratech is an innovative and exciting Data Center & Server Room solutions provider company, which primarily focuses on DC IT Infrastructure platform & business.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchAustin, TX, United StatesHQ recorded Sep 19, 2026201-500288 contacts →

Exact match

“Build smarter.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchSan Jose, CA, United StatesHQ recorded Sep 19, 2026201-500285 contacts →

Exact match

“CH Reynolds was founded in 1983, primarily as an Electrical Contractor.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchDallas, TX, United StatesHQ recorded Sep 19, 202651-200272 contacts →

Exact match

“Compass Datacenters does data centers differently.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSan José, Costa RicaHQ recorded Sep 19, 2026201-500266 contacts →

Exact match

“Somos expertos en infraestructura de misión crítica, automatización y gestión inteligente 24/7 los 365 días del año.”

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

Showing 25 of 2,203 data center retrofit companies worldwide

See the full list, filter by size, metro and specialty, and access 18,778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data center retrofit companies worldwide at a glance

As of Sep 19, 2026
29.1%Verified-email coverage
29.3Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
838
11-50
876
51-200
340
201-500
89
501-1,000
30
1,001-5,000
15
5,001-10,000
1
10001+
6

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 retrofit companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “data center retrofit 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 18,778 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 retrofit companies by location

13 lists · largest first

Every Data center retrofit companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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

How many data center retrofit companies are there worldwide?

RevenueBase identified 2,203 company matches for data center retrofit 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?

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 retrofit companies?

The United States leads with 578 companies, followed by the United Kingdom (127) and Brazil (93). Every data center retrofit companies list by country and city is linked on this page.

Which city has the most data center retrofit companies?

London leads with 38 company records, followed by Sao Paulo (30) and Singapore (25).

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 18,778 professional contacts with verified work emails tracked across these 2,203 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.