Company lists · Data refreshed November 2026

Top 25 Electrical installation contractors worldwide

Name: Electrical installation contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 46,252 companies tracked

RevenueBase identified 46,252 company matches for electrical installation contractors worldwide as of November 2026 and tracks 403,937 professional contacts across them, including 94,278 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for electrical installation contractors 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 installation contractors 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

46,252Companies

403,937Contacts tracked

94,278Verified emails

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The 25 largest electrical installation contractors worldwide

Ranked by team size

Top 25 of 46,252 company matches for electrical installation contractors 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	IES Holdings	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,710 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
2	Engelmig Energia	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,929 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
3	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,666 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
4	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Nov 6, 2026	1,001-5,000	1,385 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	MJ Quinn	Exact match	Prescot, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,373 contacts →
	Exact match “At MJ Quinn we believe in creating great connections, with our customers, our people and our world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Facility Solutions Group	Exact match	Austin, KS, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,345 contacts →
	Exact match “Big jobs, complex systems, tight timelines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	J Brand LTD	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,265 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
8	Bergelectric	Exact match	Carlsbad, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,236 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
9	Walker Engineering	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,161 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
10	MYR Group	Exact match	Thornton, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,137 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
11	Sudhir Power LTD	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,077 contacts →
	Exact match “Sudhir Power Limited, established in 1973, is a leader in Diesel Gensets, Transformers, PSS, HT & LT panels, and Equipment rental services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Eecol Electric	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,007 contacts →
	Exact match “Since 1919 EECOL Electric has provided material and technical support for the construction, industrial, and residential markets from over 60 locations in Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Crawford Electric Supply	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	955 contacts →
	Exact match “Crawford Electric is more than a distributor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Anel Group	Exact match	İstanbul, TürkiyeHQ recorded Nov 6, 2026	1,001-5,000	937 contacts →
	Exact match “Founded by Rıdvan Çelikel in 1986, Anel is a global contracting company with its expertise in MEP systems in large scale and challenging projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Loja Elétrica Ltda	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	1,001-5,000	936 contacts →
	Exact match “Empresa genuinamente mineira, a Loja Elétrica está no mercado desde 1947 e hoje conta com 9 filiais e 6 lojas “in company”.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Archkey Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	928 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
17	PT Jaya Teknik Indonesia	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	201-500	913 contacts →
	Exact match “Pt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Westburne	Exact match	Mississauga, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	875 contacts →
	Exact match “The Westburne story spans nearly a hundred years of evolution and growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	BK Gulf LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	5,001-10,000	861 contacts →
	Exact match “Established in 1978, BK Gulf LLC is a leading contractor in electrical, mechanical, instrumentation and building services within the UAE & Middle East market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Elec-Tech Electrical Contractors	Exact match	Long Beach, CA, United StatesHQ recorded Nov 6, 2026	n/a	787 contacts →
	Exact match “WELCOME TO OUR WEBSITE!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Prism Electric	Exact match	Garland, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	752 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
22	Sonepar España	Exact match	Leganés, SpainHQ recorded Nov 6, 2026	1,001-5,000	749 contacts →
	Exact match “Sonepar Ibérica ofrece a los profesionales la gama más completa de productos y soluciones para los sectores residencial, industrial y terciario.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Prime Electric	Exact match	Bellevue, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	724 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
24	Mass. Electric Construction CO	Exact match	North America, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	700 contacts →
	Exact match “Mass.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Cache Valley Electric	Exact match	Logan, UT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	691 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

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 “electrical installation contractors”. 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 46,252 electrical installation contractors worldwide

See the full list, filter by size, metro and specialty, and access 94,278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical installation contractors worldwide at a glance

As of Nov 6, 2026

23.3%Verified-email coverage

8.7Average contacts per company

1-10Median size (employees)

0.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

23,109

11-50

15,497

51-200

4,642

201-500

914

501-1,000

270

1,001-5,000

175

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 electrical installation contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical installation contractors” 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 94,278 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 installation contractors by location

137 lists · largest first

Every Electrical installation contractors 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 installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical installation contractors are there worldwide?

RevenueBase identified 46,252 company matches for electrical installation contractors 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?

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

Which country has the most electrical installation contractors?

The United States leads with 10,331 companies, followed by the United Kingdom (5,795) and Italy (2,562). Every electrical installation contractors list by country and city is linked on this page.

Which city has the most electrical installation contractors?

London leads with 387 company records, followed by Sao Paulo (235) and Rome (147).

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 94,278 professional contacts with verified work emails tracked across these 46,252 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.