Company lists · Data refreshed November 2026

Top 25 Electrical maintenance services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 21,997 companies tracked

RevenueBase identified 21,997 company matches for electrical maintenance services worldwide as of November 2026 and tracks 161,337 professional contacts across them, including 32,235 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for electrical maintenance 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 maintenance 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

21,997Companies

161,337Contacts tracked

32,235Verified emails

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The 25 largest electrical maintenance services worldwide

Ranked by team size

Top 25 of 21,997 company matches for electrical maintenance 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	Shermco Industries	Exact match	Irving, OK, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,324 contacts →
	Exact match “Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” 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	Loenbro	Exact match	Westminster, CO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	777 contacts →
	Exact match “Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Data Engenharia	Exact match	Sarzedo, BrazilHQ recorded Nov 6, 2026	501-1,000	718 contacts →
	Exact match “The DATA Engenharia is installed in a green area of m2, with m2 of constructed area, in the municipality of Sarzedo (industrial region in the vicinity of Belo Horizonte / MG).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	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
6	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
7	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
8	Tata Consultancy Service TCS	Exact match	Nagpur, IndiaHQ recorded Nov 6, 2026	51-200	592 contacts →
	Exact match “Tata Consultancy Service(TCS) Plumbing / Remodeling / Repair / Maintenance of residential electrical wiring maintenance services, electrical panel maintenance & lighting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	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
10	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
11	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
12	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
13	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
14	ACE Electric, INC	Exact match	Valdosta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	494 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 · Nov 6, 2026 · View company records in RevenueBase
15	Scee Electrical	Exact match	Perth, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	493 contacts →
	Exact match “SCEE Electrical is a leading and trusted national provider of specialised electrical, instrumentation, maintenance and communication services to the resources and infrastructure…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	MEISA	Exact match	Argamasilla De Calatrava, SpainHQ recorded Nov 6, 2026	1,001-5,000	488 contacts →
	Exact match “MEISA (Proyectos y Mantenimientos Mecánicos, Eléctricos y de Instrumentación), se constituyó en 1998, viendo las oportunidades de mercado de negocio y demanda creciente de los…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Inglett & Stubbs	Exact match	Mableton, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	483 contacts →
	Exact match “Inglett & Stubbs LLC is a recognized leader in the electrical construction industry today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Moncobra	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	501-1,000	478 contacts →
	Exact match “Empresa de referencia del Grupo Cobra especializada en diseño, ingeniería, instalaciones y montajes mecánicos y eléctricos y mantenimiento industrial.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	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
20	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
21	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
22	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
23	Strada Services	Exact match	Sanford, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	415 contacts →
	Exact match “Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Shankar Electricals Services I Private Limited	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	413 contacts →
	Exact match “We are the leading MEP Contractor & Consultant with extensive knowledge in the Projects and O&M Services, having executed several Projects for fortune 500 companies and providing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Hoist & Crane Service Group	Exact match	New Orleans, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	399 contacts →
	Exact match “Hoist & Crane Service Group is a national leader in comprehensive inspection and maintenance services for overhead lifting equipment and industrial elevators.” 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 maintenance 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 21,997 electrical maintenance services worldwide

See the full list, filter by size, metro and specialty, and access 32,235 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical maintenance services worldwide at a glance

As of Nov 6, 2026

20.0%Verified-email coverage

7.3Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11,695

11-50

7,218

51-200

1,835

201-500

348

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 maintenance services are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical maintenance 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 32,235 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 maintenance services by location

54 lists · largest first

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

How many electrical maintenance services are there worldwide?

RevenueBase identified 21,997 company matches for electrical maintenance 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?

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

Which country has the most electrical maintenance services?

The United States leads with 4,039 companies, followed by the United Kingdom (2,855) and Brazil (1,595). Every electrical maintenance services list by country and city is linked on this page.

Which city has the most electrical maintenance services?

London leads with 200 company records, followed by Sao Paulo (178) and Dubai (74).

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 32,235 professional contacts with verified work emails tracked across these 21,997 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.