Company lists · Data refreshed October 2026

Top 25 Industrial electrical maintenance contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 26,429 companies tracked

RevenueBase identified 26,429 company matches for industrial electrical maintenance contractors worldwide as of October 2026 and tracks 223,889 professional contacts across them, including 47,520 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for industrial electrical maintenance 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 16, 2026. Country and city lists for industrial electrical maintenance 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 16, 2026 How this list was built

26,429Companies

223,889Contacts tracked

47,520Verified emails

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The 25 largest industrial electrical maintenance contractors worldwide

Ranked by team size

Top 25 of 26,429 company matches for industrial electrical maintenance contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 16, 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 16, 2026 · View company records in RevenueBase
2	Shermco Industries	Exact match	Irving, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,263 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 · Oct 16, 2026 · View company records in RevenueBase
3	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Oct 16, 2026	1,001-5,000	1,167 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	Flanders	Exact match	Evansville, IN, United StatesHQ recorded Oct 16, 2026	501-1,000	828 contacts →
	Exact match “FLANDERS, Leverage our legacy.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	Elec-Tech Electrical Contractors	Exact match	Long Beach, CA, United StatesHQ recorded Oct 16, 2026	n/a	778 contacts →
	Exact match “WELCOME TO OUR WEBSITE!” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Prism Electric	Exact match	Garland, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	717 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 · Oct 16, 2026 · View company records in RevenueBase
7	Emco Qatar	Exact match	Doha, QatarHQ recorded Oct 16, 2026	1,001-5,000	696 contacts →
	Exact match “In the year 2002, realizing the need for Specialized Refurbishment, Repairs, & Maintenance Services of Oil Industries, Commercial and Residential Complexes.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Universal Voltas LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 16, 2026	1,001-5,000	667 contacts →
	Exact match “Universal Voltas is a leader in Electromechanical Projects and Facility Management Services, providing state of the art solutions to its clients.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	Data Engenharia	Exact match	Sarzedo, BrazilHQ recorded Oct 16, 2026	501-1,000	657 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 · Oct 16, 2026 · View company records in RevenueBase
10	Temon Técnica DE Montagens E Construções	Exact match	Sao Paulo, BrazilHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
11	Scania Industrial Maintenance AB	Exact match	Södertälje, SwedenHQ recorded Oct 16, 2026	501-1,000	639 contacts →
	Exact match “Scania Industrial Maintenance support Scania in Sweden with technical services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12	Alterman, INC	Exact match	Live Oak, TX, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
13	Prommac PTY LTD	Exact match	Secunda, South AfricaHQ recorded Oct 16, 2026	1,001-5,000	615 contacts →
	Exact match “Prommac is a 68% Black Owned & 30% Black Woman Owned Level 1 B-BBEE certified company that forms part of the CG Tech group of companies that includes Kumunyack (SA), AL Laith…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	Resa Power	Exact match	Houston, TX, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
15	CSI Electrical Contractors, INC	Exact match	Santa Fe Springs, CA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	585 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 · Oct 16, 2026 · View company records in RevenueBase
16	Colonialwebb	Exact match	Richmond, VA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	585 contacts →
	Exact match “ColonialWebb is built on a simple belief: when people feel like they belong and have a purpose, they can achieve almost anything.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	Summit Electric Supply	Exact match	Albuquerque, NM, United StatesHQ recorded Oct 16, 2026	501-1,000	580 contacts →
	Exact match “Summit Electric Supply is an independent, privately held wholesale distributor of industrial electrical equipment and supplies ranging from basic commodities to sophisticated…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	Tata Consultancy Service TCS	Exact match	Nagpur, IndiaHQ recorded Oct 16, 2026	51-200	566 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 · Oct 16, 2026 · View company records in RevenueBase
19	Hunt Electric	Exact match	Eagan, MN, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
20	Brunet	Exact match	Chasseneuil-du-poitou, FranceHQ recorded Oct 16, 2026	501-1,000	544 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 · Oct 16, 2026 · View company records in RevenueBase
21	Corbins	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 16, 2026	1,001-5,000	533 contacts →
	Exact match “Corbins is an industrial electrical contractor.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	The State Group	Exact match	Franklin, TN, United StatesHQ recorded Oct 16, 2026	1,001-5,000	532 contacts →
	Exact match “The State Group is one of North America's leading multi-trade industrial and specialty services contractors.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	Nrgi Elcon	Exact match	Brabrand, DenmarkHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
24	B. Tobace Instalações Elétricas E Telefônicas Ltda	Exact match	Jaboticabal, BrazilHQ recorded Oct 16, 2026	1,001-5,000	521 contacts →
	Exact match “B.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	Pieper Electric, INC	Exact match	New Berlin, WI, United StatesHQ recorded Oct 16, 2026	501-1,000	508 contacts →
	Exact match “At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial electrical maintenance 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 26,429 industrial electrical maintenance contractors worldwide

See the full list, filter by size, metro and specialty, and access 47,520 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial electrical maintenance contractors worldwide at a glance

As of Oct 16, 2026

21.2%Verified-email coverage

8.5Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · London

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

12,972

11-50

9,453

51-200

2,850

201-500

563

501-1,000

159

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 industrial electrical maintenance contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial electrical maintenance 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 47,520 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 16, 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.

Industrial electrical maintenance contractors by location

67 lists · largest first

Every Industrial electrical maintenance 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 “industrial electrical maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial electrical maintenance contractors are there worldwide?

RevenueBase identified 26,429 company matches for industrial electrical maintenance 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 industrial electrical maintenance contractors?

The United States leads with 6,643 companies, followed by the United Kingdom (3,026) and Brazil (1,601). Every industrial electrical maintenance contractors list by country and city is linked on this page.

Which city has the most industrial electrical maintenance contractors?

London leads with 179 company records, followed by Sao Paulo (171) and Houston (121).

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 47,520 professional contacts with verified work emails tracked across these 26,429 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 16, 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.