Company lists · Data refreshed November 2026

Top 25 Electrical contractors for industrial projects worldwide

Name: Electrical contractors for industrial projects worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 56,705 companies tracked

RevenueBase identified 56,705 company matches for electrical contractors for industrial projects worldwide as of November 2026 and tracks 651,084 professional contacts across them, including 151,881 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for electrical contractors for industrial projects 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 contractors for industrial projects 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

56,705Companies

651,084Contacts tracked

151,881Verified emails

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The 25 largest electrical contractors for industrial projects worldwide

Ranked by team size

Top 25 of 56,705 company matches for electrical contractors for industrial projects 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	MMR Group	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 6, 2026	10001+	3,529 contacts →
	Exact match “At MMR we believe that no matter how much you achieve, you should never forget where you came from.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Performance Contractors	Exact match	Baton Rouge, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,119 contacts →
	Exact match “We began as a merit shop general industrial contractor back in 1979.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Grupo Enesa - Main Page	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,835 contacts →
	Exact match “ENESA Engenharia is a company based on reliability, commitment, ethical standards and important knowledge in constructive engineering solutions, becoming a reference in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	IES Holdings	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,710 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 · Nov 6, 2026 · View company records in RevenueBase
5	Powell	Exact match	Houston, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,666 contacts →
	Exact match “Powell is hiring- Powell is dedicated to improving people’s lives by providing reliable power distribution systems in every market we serve.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Quanta Services, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	10001+	2,000 contacts →
	Exact match “Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Nov 6, 2026	5,001-10,000	1,953 contacts →
	Exact match “The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,666 contacts →
	Exact match “Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Sendan International Company	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,573 contacts →
	Exact match “Founded in 1994, Sendan has rapidly grown from a modest contractor to a reputable General Contractor for Plant Construction and Maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Kirby Group Engineering	Exact match	Limerick, IrelandHQ recorded Nov 6, 2026	1,001-5,000	1,563 contacts →
	Exact match “Founded in 1964, Kirby is a leading Mechanical and Electrical engineering contractor with operations in Ireland, the UK, mainland Europe and South Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Emcor Group, INC	Exact match	Norwalk, CT, United StatesHQ recorded Nov 6, 2026	10001+	1,493 contacts →
	Exact match “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ISC Constructors, L.L.C	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,491 contacts →
	Exact match “ISC is an industrial engineering and construction company specializing in comprehensive electrical, instrumentation, and controls solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Control Construções Ltda	Exact match	Joao Pessoa, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,471 contacts →
	Exact match “Fundada em na cidade de João Pessoa, a empresa se tornou especialista nas áreas de construção e prestação de serviços no setor elétrico.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Comfort Systems USA	Exact match	Houston, IN, United StatesHQ recorded Nov 6, 2026	10001+	1,407 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Facility Solutions Group	Exact match	Austin, KS, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,345 contacts →
	Exact match “Big jobs, complex systems, tight timelines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Industrial Electric Mfg. IEM	Exact match	Fremont, BC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,317 contacts →
	Exact match “Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Gexpro	Exact match	Shelton, CT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,304 contacts →
	Exact match “Gexpro is part of the Rexel family of business which together form one of the world’s largest electrical distributors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Nidec Conversion	Exact match	Cinisello Balsamo, ItalyHQ recorded Nov 6, 2026	1,001-5,000	1,257 contacts →
	Exact match “Nidec Conversion is a Business Unit of Nidec Corporation, a global Japanese manufacturer and distributor of electric motors with employees and plants/offices in +40 countries in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	AL Nasr Contracting	Exact match	United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	1,254 contacts →
	Exact match “Al Nasr Contracting Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Bergelectric	Exact match	Carlsbad, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,236 contacts →
	Exact match “Since their inception in 1946, Bergelectric has made its mark on the construction industry by providing the highest quality electrical and technology contracting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,209 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Marriott S.A	Exact match	Vía Salitre, EcuadorHQ recorded Nov 6, 2026	201-500	1,167 contacts →
	Exact match “Con 91 años de legado en el mercado ecuatoriano, en Marriott somos referentes en iluminación, materiales eléctricos, automatización y energía solar.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Engeko Engenharia E Construção Ltda	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,164 contacts →
	Exact match “No mercado desde 2007, atuamos em todo território nacional com foco no segmento industrial e na construção de parcerias a longo prazo, oferecendo diversos tipos de soluções e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Walker Engineering	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,161 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 · 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 contractors for industrial projects”. 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 56,705 electrical contractors for industrial projects worldwide

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Electrical contractors for industrial projects worldwide at a glance

As of Nov 6, 2026

23.3%Verified-email coverage

11.5Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

25,790

11-50

19,826

51-200

6,959

201-500

1,630

501-1,000

522

1,001-5,000

310

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 contractors for industrial projects are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical contractors for industrial projects” 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 151,881 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 contractors for industrial projects by location

191 lists · largest first

Every Electrical contractors for industrial projects 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 contractors for industrial projects”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical contractors for industrial projects are there worldwide?

RevenueBase identified 56,705 company matches for electrical contractors for industrial projects 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?

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

Which country has the most electrical contractors for industrial projects?

The United States leads with 11,996 companies, followed by the United Kingdom (5,529) and Brazil (3,348). Every electrical contractors for industrial projects list by country and city is linked on this page.

Which city has the most electrical contractors for industrial projects?

Sao Paulo leads with 375 company records, followed by London (361) and Houston (200).

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 151,881 professional contacts with verified work emails tracked across these 56,705 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.