Company lists · Data refreshed November 2026

Top 25 Building electrification contractors worldwide

Name: Building electrification contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 38,897 companies tracked

RevenueBase identified 38,897 company matches for building electrification contractors worldwide as of November 2026 and tracks 327,924 professional contacts across them, including 83,000 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for building electrification 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 building electrification 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

38,897Companies

327,924Contacts tracked

83,000Verified emails

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The 25 largest building electrification contractors worldwide

Ranked by team size

Top 25 of 38,897 company matches for building electrification 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	IDEX	Exact match	Boulogne-billancourt, FranceHQ recorded Nov 6, 2026	5,001-10,000	3,530 contacts →
	Exact match “Fondé en France en 1963, le groupe IDEX, fort de près de 6 500 collaborateurs, développe, conçoit, finance, construit et exploite des infrastructures énergétiques locales et…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	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
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	Kirby Group Engineering	Exact match	Limerick, IrelandHQ recorded Nov 6, 2026	1,001-5,000	1,563 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
5	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
6	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
7	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
8	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,054 contacts →
	Exact match “A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Sturgeon Electric Company, INC	Exact match	Henderson, CO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	822 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	Calisen	Exact match	Manchester, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	772 contacts →
	Exact match “We are Calisen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	SEL Construction Corporation	Exact match	Loomis, CA, United StatesHQ recorded Nov 6, 2026	n/a	727 contacts →
	Exact match “Experienced commercial contractor specializing in renewable energy, electrical, and roofing projects for privately-owned buildings as well as state/local government buildings in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	Baker Electric	Exact match	Escondido, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	717 contacts →
	Exact match “Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	Cummings Electrical	Exact match	Fort Worth, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	693 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
18	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
19	Bajel Projects LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	686 contacts →
	Exact match “Bajel Projects Limited is a leading company in the business of power infrastructure, with a strong presence in the Power Transmission and Power Distribution sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	M. J. Electric, LLC	Exact match	Iron Mountain, NH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	685 contacts →
	Exact match “M.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	HOULE	Exact match	Burnaby, BC, CanadaHQ recorded Nov 6, 2026	501-1,000	669 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
22	Temon Técnica DE Montagens E Construções	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	664 contacts →
	Exact match “Desde 1978 atuando na execução de Instalações Elétricas e Hidráulicas, a Temon conseguiu firmar sua marca nesse mercado com participação em mais de obras por todo Brasil e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	PAR Electrical Contractors, LLC	Exact match	Kansas City, MO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	650 contacts →
	Exact match “PAR, a Quanta Services company, offers a full range of construction services for substations, overhead and underground distribution and transmission lines, engineering, design…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Alterman, INC	Exact match	Live Oak, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	632 contacts →
	Exact match “Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	CSI Electrical Contractors, INC	Exact match	Santa Fe Springs, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	595 contacts →
	Exact match “Founded in 1990, CSI has become a leader in highly technical and innovative electrical design and construction.” 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 “building electrification 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 38,897 building electrification contractors worldwide

See the full list, filter by size, metro and specialty, and access 83,000 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building electrification contractors worldwide at a glance

As of Nov 6, 2026

25.3%Verified-email coverage

8.4Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

20,346

11-50

12,456

51-200

3,648

201-500

698

501-1,000

203

1,001-5,000

142

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 building electrification contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “building electrification 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 83,000 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.

Building electrification contractors by location

121 lists · largest first

Every Building electrification 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 “building electrification contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building electrification contractors are there worldwide?

RevenueBase identified 38,897 company matches for building electrification 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?

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

Which country has the most building electrification contractors?

The United States leads with 11,027 companies, followed by the United Kingdom (4,996) and Australia (1,950). Every building electrification contractors list by country and city is linked on this page.

Which city has the most building electrification contractors?

London leads with 347 company records, followed by Houston (143) and New York (137).

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 83,000 professional contacts with verified work emails tracked across these 38,897 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.