Company lists · Data refreshed November 2026

Top 25 Electrical system commissioning services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,134 companies tracked

RevenueBase identified 15,134 company matches for electrical system commissioning services worldwide as of November 2026 and tracks 115,653 professional contacts across them, including 22,675 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for electrical system commissioning services 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 services 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

15,134Companies

115,653Contacts tracked

22,675Verified emails

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The 25 largest electrical system commissioning services worldwide

Ranked by team size

Top 25 of 15,134 company matches for electrical system commissioning services 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	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
2	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
3	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
4	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
5	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
6	Endiprev	Exact match	Porto, PortugalHQ recorded Nov 6, 2026	501-1,000	571 contacts →
	Exact match “Advanced diagnosis of faults of the whole type of electrical systems Commissioning of wind turbines Troubleshooting during the different lifetime periods of wind turbines…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	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
8	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
9	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
10	MIE Industrial SDN BHD	Exact match	MalaysiaHQ recorded Nov 6, 2026	51-200	468 contacts →
	Exact match “Project EMSB CGC & RD project, Ethane Maximizing (EMAX) Project Owner Ethylene Malaysia Sdn Bhd Client Toyo Engineering & Construction Sdn Bhd Project Scope Engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Tricolite Electrical Industries Limited	Exact match	Sahibabad, IndiaHQ recorded Nov 6, 2026	201-500	464 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 · Nov 6, 2026 · View company records in RevenueBase
12	Quartzelec Limited	Exact match	Rugby, United KingdomHQ recorded Nov 6, 2026	501-1,000	456 contacts →
	Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Guarantee Electrical Company	Exact match	St. Louis, MO, United StatesHQ recorded Nov 6, 2026	501-1,000	453 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 · Nov 6, 2026 · View company records in RevenueBase
14	Tereme Engenharia	Exact match	Serra, BrazilHQ recorded Nov 6, 2026	501-1,000	443 contacts →
	Exact match “CONTRATOS DE MANUTENÇÃO A Tereme oferece a seus clientes soluções de manutenção global ou parcial dos equipamentos e instalações elétricas de uma planta industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Ingener	Exact match	Montevideo, UruguayHQ recorded Nov 6, 2026	501-1,000	431 contacts →
	Exact match “Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Bureau Veritas Primary Integration	Exact match	Mclean, VA, United StatesHQ recorded Nov 6, 2026	201-500	411 contacts →
	Exact match “Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Commtech Asia	Exact match	Tokyo, Hong KongHQ recorded Nov 6, 2026	201-500	398 contacts →
	Exact match “Commtech Asia is a market-leading, independent building commissioning consultant.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	TECON	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	501-1,000	393 contacts →
	Exact match “Tecon, part of Albatha Engineering Group, started in the UAE as a local electrical company in 1975.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	JG Ingenieros S.A	Exact match	Barcelona, SpainHQ recorded Nov 6, 2026	51-200	367 contacts →
	Exact match “JG Ingenieros, S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Nissi Engineering Solution Pvt. LTD	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	201-500	359 contacts →
	Exact match “NISSI is specialized in Testing and Commissioning, Relay testing, and SCADA solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Magna IV Engineering, A Sunbelt Solomon Company	Exact match	Edmonton, CO, CanadaHQ recorded Nov 6, 2026	201-500	355 contacts →
	Exact match “Delivering confidence for over 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Powertech	Exact match	Malaga, AustraliaHQ recorded Nov 6, 2026	201-500	343 contacts →
	Exact match “We are an engineering and technical services business that won’t let you down.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Wilson Electric Services Corp	Exact match	Tempe, ID, United StatesHQ recorded Nov 6, 2026	501-1,000	305 contacts →
	Exact match “We are more than an Electrical Contractor…We’re Your Partner As employee-owners we build your project as if it were our own.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Phasor Engineering INC	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	201-500	291 contacts →
	Exact match “Phasor Engineering Inc, a Quanta Services company, provides engineering, design, testing, commissioning, and field technical services for utility, transmission, distribution, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Titan Electric	Exact match	Itasca, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	290 contacts →
	Exact match “Electrical and communication services including design, installation, testing, long-term service, and maintenance.” 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 services”. 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 15,134 electrical system commissioning services worldwide

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Electrical system commissioning services worldwide at a glance

As of Nov 6, 2026

19.6%Verified-email coverage

7.6Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,018

11-50

4,878

51-200

1,336

201-500

283

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 electrical system commissioning services are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical system commissioning services” 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 22,675 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 services by location

47 lists · largest first

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

How many electrical system commissioning services are there worldwide?

RevenueBase identified 15,134 company matches for electrical system commissioning services 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?

Dornan 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 services?

The United Kingdom leads with 2,269 companies, followed by the United States (1,835) and Brazil (895). Every electrical system commissioning services list by country and city is linked on this page.

Which city has the most electrical system commissioning services?

London leads with 151 company records, followed by Sao Paulo (96) and Istanbul (65).

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 22,675 professional contacts with verified work emails tracked across these 15,134 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.