Company lists · Data refreshed October 2026

Top 25 Low voltage electrical contractors worldwide

Name: Low voltage electrical contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 27,744 companies tracked

RevenueBase identified 27,744 company matches for low voltage electrical contractors worldwide as of October 2026 and tracks 201,108 professional contacts across them, including 45,918 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for low voltage electrical 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 October 17, 2026. Country and city lists for low voltage electrical 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 Oct 17, 2026 How this list was built

27,744Companies

201,108Contacts tracked

45,918Verified emails

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The 25 largest low voltage electrical contractors worldwide

Ranked by team size

Top 25 of 27,744 company matches for low voltage electrical contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 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 Oct 17, 2026	5,001-10,000	2,661 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 · Oct 17, 2026 · View company records in RevenueBase
2	MJ Quinn	Exact match	Prescot, United KingdomHQ recorded Oct 17, 2026	1,001-5,000	1,287 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 · Oct 17, 2026 · View company records in RevenueBase
3	J Brand LTD	Exact match	London, United KingdomHQ recorded Oct 17, 2026	n/a	1,256 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 · Oct 17, 2026 · View company records in RevenueBase
4	Outsource	Exact match	El Segundo, CA, United StatesHQ recorded Oct 17, 2026	n/a	1,245 contacts →
	Exact match “Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5	Walker Engineering	Exact match	Irving, TX, United StatesHQ recorded Oct 17, 2026	1,001-5,000	1,124 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 · Oct 17, 2026 · View company records in RevenueBase
6	Archkey Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Oct 17, 2026	1,001-5,000	880 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 · Oct 17, 2026 · View company records in RevenueBase
7	Elec-Tech Electrical Contractors	Exact match	Long Beach, CA, United StatesHQ recorded Oct 17, 2026	n/a	778 contacts →
	Exact match “WELCOME TO OUR WEBSITE!” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	SASCO	Exact match	Fullerton, CA, United StatesHQ recorded Oct 17, 2026	501-1,000	759 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 · Oct 17, 2026 · View company records in RevenueBase
9	Comfica Soluciones Integrales S.L	Exact match	Fuenlabrada, SpainHQ recorded Oct 17, 2026	201-500	720 contacts →
	Exact match “Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10	Insyte Instalaciones	Exact match	Getafe, SpainHQ recorded Oct 17, 2026	1,001-5,000	672 contacts →
	Exact match “Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	Cache Valley Electric	Exact match	Logan, UT, United StatesHQ recorded Oct 17, 2026	1,001-5,000	662 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 · Oct 17, 2026 · View company records in RevenueBase
12	HOULE	Exact match	Burnaby, BC, CanadaHQ recorded Oct 17, 2026	501-1,000	654 contacts →
	Exact match “At Houle, we are passionate about bringing communities to life.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Temon Técnica DE Montagens E Construções	Exact match	Sao Paulo, BrazilHQ recorded Oct 17, 2026	1,001-5,000	646 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 · Oct 17, 2026 · View company records in RevenueBase
14	Alterman, INC	Exact match	Live Oak, TX, United StatesHQ recorded Oct 17, 2026	501-1,000	615 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 · Oct 17, 2026 · View company records in RevenueBase
15	Hunt Electric	Exact match	Eagan, MN, United StatesHQ recorded Oct 17, 2026	1,001-5,000	565 contacts →
	Exact match “Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16	Ford Audio-Video	Exact match	Oklahoma City, OK, United StatesHQ recorded Oct 17, 2026	501-1,000	560 contacts →
	Exact match “Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17	EC Electric	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	1,001-5,000	530 contacts →
	Exact match “Our lives function on a power grid.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18	Nrgi Elcon	Exact match	Brabrand, DenmarkHQ recorded Oct 17, 2026	1,001-5,000	524 contacts →
	Exact match “EL:CON is a solid, nationwide electrical installation company – both in regards to competences and economy.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19	B. Tobace Instalações Elétricas E Telefônicas Ltda	Exact match	Jaboticabal, BrazilHQ recorded Oct 17, 2026	1,001-5,000	521 contacts →
	Exact match “B.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20	ACE Electric, INC	Exact match	Valdosta, GA, United StatesHQ recorded Oct 17, 2026	1,001-5,000	486 contacts →
	Exact match “Ace Electric is a family-owned/operated electrical contractor performing safe and high-quality work for clients throughout the United States.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21	Amteck, LLC	Exact match	Lexington, KY, United StatesHQ recorded Oct 17, 2026	501-1,000	483 contacts →
	Exact match “Amteck is one of Kentucky’s largest privately held electrical construction firms, providing design-build electrical construction services for a wide variety of facilities…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	Tri-City Electrical Contractors, INC	Exact match	Altamonte Springs, FL, United StatesHQ recorded Oct 17, 2026	501-1,000	482 contacts →
	Exact match “Founded in 1958, Tri-City Electrical Contractors is a leading Florida-based electrical contractor built on innovation, craftsmanship, and a people-first culture.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Tricolite Electrical Industries Limited	Exact match	Sahibabad, IndiaHQ recorded Oct 17, 2026	201-500	453 contacts →
	Exact match “Tricolite Electrical Industries Limited located in IMT Manesar and Sahibabad, is a renowned name in Design, Manufacturing, Supply, Testing & Commissioning of Custom-Built Medium &…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24	Guarantee Electrical Company	Exact match	St. Louis, MO, United StatesHQ recorded Oct 17, 2026	501-1,000	447 contacts →
	Exact match “A full-service electrical contractor since 1902, providing capability, performance, and legendary innovation in new construction, design-build, low-voltage systems, energy…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Cochran	Exact match	Seattle, WA, United StatesHQ recorded Oct 17, 2026	501-1,000	444 contacts →
	Exact match “For more than 70 years Cochran has been powering the Pacific Northwest.” Recorded in the RevenueBase company graph · Oct 17, 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 “low voltage electrical 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 27,744 low voltage electrical contractors worldwide

See the full list, filter by size, metro and specialty, and access 45,918 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Low voltage electrical contractors worldwide at a glance

As of Oct 17, 2026

22.8%Verified-email coverage

7.2Average contacts per company

1-10Median size (employees)

0.6%Largest-city concentration · London

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

14,827

11-50

9,483

51-200

2,440

201-500

407

501-1,000

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 low voltage electrical contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “low voltage electrical 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 45,918 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 17, 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.

Low voltage electrical contractors by location

75 lists · largest first

Every Low voltage electrical 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 “low voltage electrical contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many low voltage electrical contractors are there worldwide?

RevenueBase identified 27,744 company matches for low voltage electrical contractors 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?

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

Which country has the most low voltage electrical contractors?

The United States leads with 8,308 companies, followed by the United Kingdom (2,570) and Italy (1,549). Every low voltage electrical contractors list by country and city is linked on this page.

Which city has the most low voltage electrical contractors?

London leads with 159 company records, followed by Houston (131) and Sao Paulo (129).

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 45,918 professional contacts with verified work emails tracked across these 27,744 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 17, 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.