Company lists · Data refreshed November 2026

Top 25 Electrical system commissioning companies worldwide

Name: Electrical system commissioning companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 29,666 companies tracked

RevenueBase identified 29,666 company matches for electrical system commissioning companies worldwide as of November 2026 and tracks 252,014 professional contacts across them, including 50,337 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for electrical system commissioning 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 November 6, 2026. Country and city lists for electrical system commissioning 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 Nov 6, 2026 How this list was built

29,666Companies

252,014Contacts tracked

50,337Verified emails

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The 25 largest electrical system commissioning companies worldwide

Ranked by team size

Top 25 of 29,666 company matches for electrical system commissioning companies 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	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
2	Dornan	Exact match	Cork, IrelandHQ recorded Nov 6, 2026	501-1,000	1,312 contacts →
	Exact match “Dornan Engineering concentrates on a market where quality is appreciated.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	Sigma S.A. Chile	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	201-500	833 contacts →
	Exact match “Somos una empresa de excelencia que desarrolla servicios integrales de Estudios Eléctricos, ingeniería, montaje industrial, geomensura, apoyo profesional, inspección técnica y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	AL Ahleia Switchgear Co. Kscc	Exact match	Sabhan, KuwaitHQ recorded Nov 6, 2026	1,001-5,000	758 contacts →
	Exact match “Established in 1982 by Sayed Hamid Behbehani & Sons, Kuwait.* First Kuwaiti company to be awarded with ISO 9001 back in 1995 by DNV.* Company certified for ISO/TS 29001:2010…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Comfica Soluciones Integrales S.L	Exact match	Fuenlabrada, SpainHQ recorded Nov 6, 2026	201-500	755 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 · Nov 6, 2026 · View company records in RevenueBase
8	Elsewedy Electric T&d	Exact match	New Cairo, EgyptHQ recorded Nov 6, 2026	501-1,000	682 contacts →
	Exact match “Elsewedy Electric T&D is a subsidiary of ELSEWEDY ELECTRIC - An international EPC specializing in the supply, installation, and commissioning of overhead transmission lines…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Electric Power Systems	Exact match	Maryland Heights, MI, United StatesHQ recorded Nov 6, 2026	501-1,000	678 contacts →
	Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Syncore	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	1,001-5,000	666 contacts →
	Exact match “Como Syncore, ofrecemos un montaje integral de obras civiles y montaje electromecánico, además de soluciones completas a través del desarrollo de proyectos EPC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	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
13	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
14	Resa Power	Exact match	Houston, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	590 contacts →
	Exact match “RESA Power is your ONE-STOP for all of your power needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Saber Power	Exact match	Houston, OK, United StatesHQ recorded Nov 6, 2026	1,001-5,000	586 contacts →
	Exact match “Saber Power Services, a portfolio company of Greenbelt Capital Partners, is a fully integrated electrical power system services firm providing end-to-end solutions across utility…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Hunt Electric	Exact match	Eagan, MN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	572 contacts →
	Exact match “Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Brunet	Exact match	Chasseneuil-du-poitou, FranceHQ recorded Nov 6, 2026	501-1,000	562 contacts →
	Exact match “BRUNET, filiale du groupe ORTEC, cultive un savoir-faire multitechnique en travaux et en services dans les métiers du génie électrique, génie thermique et courant faible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	GTEL	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	559 contacts →
	Exact match “Since 1975, GTEL has been providing services regarding assembly, installation and maintenance in the electrical, mechanical, utilities and fire protection areas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Hartek Group	Exact match	Mohali, IndiaHQ recorded Nov 6, 2026	501-1,000	558 contacts →
	Exact match “HARTEK, established in 1991, is a leading Engineering, Procurement, and Construction (EPC) company with operations across the energy value chain.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Nrgi Elcon	Exact match	Brabrand, DenmarkHQ recorded Nov 6, 2026	1,001-5,000	544 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 · Nov 6, 2026 · View company records in RevenueBase
21	EC Electric	Exact match	Portland, OR, United StatesHQ recorded Nov 6, 2026	1,001-5,000	541 contacts →
	Exact match “Our lives function on a power grid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	STN Empreendimentos E Construções	Exact match	Areal, BrazilHQ recorded Nov 6, 2026	501-1,000	509 contacts →
	Exact match “A STN EMPREENDIMENTOS E CONSTRUÇÕES atua há mais de 30 anos nas áreas de engenharia elétrica, de eletromecânica e de engenharia civil em todo território nacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Amteck, LLC	Exact match	Lexington, KY, United StatesHQ recorded Nov 6, 2026	501-1,000	506 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 · Nov 6, 2026 · View company records in RevenueBase
24	Heating Cooling	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	504 contacts →
	Exact match “Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Specialist Technical Services STS Group	Exact match	Old Kilmeaden Road, IrelandHQ recorded Nov 6, 2026	1,001-5,000	501 contacts →
	Exact match “STS Group, is dedicated to being the leading and most cost-efficient provider of electrical engineering, instrumentation, design and commissioning services across Ireland, UK…” 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 system commissioning companies”. 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 29,666 electrical system commissioning companies worldwide

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Electrical system commissioning companies worldwide at a glance

As of Nov 6, 2026

20.0%Verified-email coverage

8.5Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

14,837

11-50

9,998

51-200

2,880

201-500

632

501-1,000

191

1,001-5,000

106

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 system commissioning companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical system commissioning 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 50,337 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 system commissioning companies by location

81 lists · largest first

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

How many electrical system commissioning companies are there worldwide?

RevenueBase identified 29,666 company matches for electrical system commissioning companies 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?

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

Which country has the most electrical system commissioning companies?

The United States leads with 4,460 companies, followed by the United Kingdom (4,085) and Italy (1,682). Every electrical system commissioning companies list by country and city is linked on this page.

Which city has the most electrical system commissioning companies?

London leads with 268 company records, followed by Sao Paulo (181) and Istanbul (107).

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 50,337 professional contacts with verified work emails tracked across these 29,666 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.