Company lists · Data refreshed November 2026

Top 25 Electrical contractors for data centers worldwide

RevenueBase identified 25,772 company matches for electrical contractors for data centers worldwide as of November 2026 and tracks 285,310 professional contacts across them, including 76,093 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for electrical contractors for data centers 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 November 6, 2026. Country and city lists for electrical contractors for data centers 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 Nov 6, 2026 How this list was built
25,772Companies
285,310Contacts tracked
76,093Verified emails
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The 25 largest electrical contractors for data centers worldwide

Ranked by team size
Top 25 of 25,772 company matches for electrical contractors for data centers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 202610001+6,914 contacts →

Exact match

“In August 2016, Emerson announced the sale of the Network Power business to Platinum Equity and a group of co-investors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0002,710 contacts →

Exact match

“IES Holdings, Inc.(formerly known as Integrated Electrical Services, Inc.) provides electrical contracting services to commercial, industrial, and residential customers in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKennesaw, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,022 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBrasilia, BrazilHQ recorded Nov 6, 20265,001-10,0001,973 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 20265,001-10,0001,929 contacts →

Exact match

“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,666 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLimerick, IrelandHQ recorded Nov 6, 20261,001-5,0001,563 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAustin, KS, United StatesHQ recorded Nov 6, 20261,001-5,0001,345 contacts →

Exact match

“Big jobs, complex systems, tight timelines.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFremont, BC, United StatesHQ recorded Nov 6, 20261,001-5,0001,317 contacts →

Exact match

“Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a1,265 contacts →

Exact match

“Originally set up in 1933 by Joseph Brand as an electrical contracting and repair business in Margaret Street W1, the company today still operates today with the same guiding…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCarlsbad, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,236 contacts →

Exact match

“Since their inception in 1946, Bergelectric has made its mark on the construction industry by providing the highest quality electrical and technology contracting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIrving, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,161 contacts →

Exact match

“Walker Engineering has a solid reputation in the industry that is based on over 45 years of delivering top notch electrical work for a fair and competitive price.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchThornton, CO, United StatesHQ recorded Nov 6, 20265,001-10,0001,137 contacts →

Exact match

“With roots dating to 1891 and employees, MYR Group Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDublin, IrelandHQ recorded Nov 6, 2026501-1,000976 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWaterford, GermanyHQ recorded Nov 6, 20261,001-5,000960 contacts →

Exact match

“Suir Engineering, a trusted partner in excellence with over 40 years of international experience, specialises in electrical, mechanical, instrumentation and high voltage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 20261,001-5,000928 contacts →

Exact match

“ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSilverwater, AustraliaHQ recorded Nov 6, 20261,001-5,000845 contacts →

Exact match

“Fredon is an Australian leader in Electrical, HVAC, Infrastructure and Technology services, backed by 24/7 national maintenance capability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHenderson, CO, United StatesHQ recorded Nov 6, 20261,001-5,000822 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 2026n/a787 contacts →

Exact match

“WELCOME TO OUR WEBSITE!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFullerton, CA, United StatesHQ recorded Nov 6, 2026501-1,000776 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGarland, TX, United StatesHQ recorded Nov 6, 20261,001-5,000752 contacts →

Exact match

“Our story began in 1994 with a simple vision: Build a company that does things right.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBellevue, CA, United StatesHQ recorded Nov 6, 20261,001-5,000724 contacts →

Exact match

“For over a quarter century, Prime has been successfully engineering, constructing building, and facilities solutions for our clientele.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 20261,001-5,000693 contacts →

Exact match

“Cummings Electrical,(Cummings) is one of the largest providers of electrical contracting services in DFW market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLogan, UT, United StatesHQ recorded Nov 6, 20261,001-5,000691 contacts →

Exact match

“As one of the nation’s premier electrical contractors, we don’t just provide high-quality services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBurnaby, BC, CanadaHQ recorded Nov 6, 2026501-1,000669 contacts →

Exact match

“At Houle, we are passionate about bringing communities to life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 25,772 electrical contractors for data centers worldwide

See the full list, filter by size, metro and specialty, and access 76,093 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical contractors for data centers worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
11.1Average contacts per company
11-50Median size (employees)
0.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
12,078
11-50
9,153
51-200
2,964
201-500
568
501-1,000
176
1,001-5,000
121
5,001-10,000
15
10001+
8

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 electrical contractors for data centers are linked below.
What qualifies
Company records worldwide whose business descriptions match “electrical contractors for data centers” 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 76,093 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 November 6, 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.

Electrical contractors for data centers by location

87 lists · largest first

Every Electrical contractors for data centers 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 “electrical contractors for data centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical contractors for data centers are there worldwide?

RevenueBase identified 25,772 company matches for electrical contractors for data centers worldwide as of November 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?

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

Which country has the most electrical contractors for data centers?

The United States leads with 7,688 companies, followed by the United Kingdom (2,463) and Australia (1,190). Every electrical contractors for data centers list by country and city is linked on this page.

Which city has the most electrical contractors for data centers?

London leads with 166 company records, followed by Houston (139) and Sao Paulo (139).

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 76,093 professional contacts with verified work emails tracked across these 25,772 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 November 6, 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.