Company lists · Data refreshed November 2026

Top 25 Electrical contractor and engineering firms worldwide

Name: Electrical contractor and engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 92,620 companies tracked

RevenueBase identified 92,620 company matches for electrical contractor and engineering firms worldwide as of November 2026 and tracks 1,140,061 professional contacts across them, including 257,502 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for electrical contractor and engineering firms 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 contractor and engineering firms 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

92,620Companies

1,140,061Contacts tracked

257,502Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrical contractor and engineering firms worldwide

Ranked by team size

Top 25 of 92,620 company matches for electrical contractor and engineering firms 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	Rosendin	Exact match	San Jose, NC, United StatesHQ recorded Nov 6, 2026	10001+	4,838 contacts →
	Exact match “Since 1919, Rosendin has created a reputation for building quality electrical and communications installations, building value for clients, and building people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	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
3	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,019 contacts →
	Exact match “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	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
6	Croonwolter&dros	Exact match	Rotterdam, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	2,672 contacts →
	Exact match “For more than 140 years Croonwolter & dros has been in the vanguard of new developments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Multiconsult	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	2,654 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Jones Engineering	Exact match	Dublin 4, IrelandHQ recorded Nov 6, 2026	1,001-5,000	2,643 contacts →
	Exact match “Jones Engineering is a multi-disciplined engineering contracting company, offering the complete range of engineering and building services installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Tabocas Participações Empreendimentos S A	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	10001+	2,443 contacts →
	Exact match “Fundada em abril de em Belo Horizonte (MG), a Tabocas é referência nacional na modalidade EPC Full, dentro dos setores de construção e engenharia civil, com foco de atuação na…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Almabani General Contractors	Exact match	Jeddah, Saudi ArabiaHQ recorded Nov 6, 2026	10001+	2,230 contacts →
	Exact match “Almabani General Contractors has a long robust history which began when the founders’ established the company in Jeddah, Saudi Arabia in October 1972.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Araujo Abreu Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,017 contacts →
	Exact match “A Araujo Abreu foi fundada em 1922.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	Shaker Consultancy Group	Exact match	Cairo, EgyptHQ recorded Nov 6, 2026	1,001-5,000	1,986 contacts →
	Exact match “Since its founding in 1982, Shaker has established itself as one of the leading engineering and design firms across the MENA region, with offices in 8 countries and projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Grupo RCS	Exact match	Brasilia, BrazilHQ recorded Nov 6, 2026	5,001-10,000	1,973 contacts →
	Exact match “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	Yates Construction	Exact match	Philadelphia, MS, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,902 contacts →
	Exact match “Yates Construction is part of The Yates Companies, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Bowman Consulting	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,827 contacts →
	Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	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
19	Modern Niagara	Exact match	Kanata, ON, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,642 contacts →
	Exact match “We build for life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	EKIUM	Exact match	Lyon Cedex 07, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,603 contacts →
	Exact match “Welcome to Ekium!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	CCECC	Exact match	United StatesHQ recorded Nov 6, 2026	10001+	1,566 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	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
23	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
24	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
25	Galfar Engineering & Contracting Co. W.L.L Emirates	Exact match	Musaffah, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	1,489 contacts →
	Exact match “Galfar Engineering & Contracting W.L.L Emirates is a multi-discipline Engineering and Construction Company, executing major EPC projects in Oil & Gas and other sectors including…” 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 contractor and engineering firms”. 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 92,620 electrical contractor and engineering firms worldwide

See the full list, filter by size, metro and specialty, and access 257,502 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Electrical contractor and engineering firms worldwide at a glance

As of Nov 6, 2026

22.6%Verified-email coverage

12.3Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

42,216

11-50

32,141

51-200

11,516

201-500

2,817

501-1,000

927

1,001-5,000

612

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 contractor and engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical contractor and engineering firms” 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 257,502 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 contractor and engineering firms by location

343 lists · largest first

Every Electrical contractor and engineering firms 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 contractor and engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical contractor and engineering firms are there worldwide?

RevenueBase identified 92,620 company matches for electrical contractor and engineering firms 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?

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

Which country has the most electrical contractor and engineering firms?

The United States leads with 16,991 companies, followed by the United Kingdom (7,745) and Brazil (6,326). Every electrical contractor and engineering firms list by country and city is linked on this page.

Which city has the most electrical contractor and engineering firms?

Sao Paulo leads with 826 company records, followed by London (581) and Dubai (513).

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 257,502 professional contacts with verified work emails tracked across these 92,620 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.

Ready to reach these companies? Verified emails and direct dials for all 92,620 electrical contractor and engineering firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.