Company lists · Data refreshed October 2026

Top 25 Electrical grid engineering firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 20,737 companies tracked

RevenueBase identified 20,737 company matches for electrical grid engineering firms worldwide as of October 2026 and tracks 418,596 professional contacts across them, including 113,444 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for electrical grid 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 October 12, 2026. Country and city lists for electrical grid 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 Oct 12, 2026 How this list was built

20,737Companies

418,596Contacts tracked

113,444Verified emails

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The 25 largest electrical grid engineering firms worldwide

Ranked by team size

Top 25 of 20,737 company matches for electrical grid engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Hitachi Energy	Exact match	Zurich, SwitzerlandHQ recorded Oct 12, 2026	10001+	32,351 contacts →
	Exact match “Hitachi Energy is a global technology leader in electrification, powering a sustainable energy future with innovative power grid technologies with digital at the core.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Tata Power	Exact match	Mumbai, IndiaHQ recorded Oct 12, 2026	10001+	9,453 contacts →
	Exact match “Tata Power is one of India’s largest integrated power companies and together with its subsidiaries and jointly controlled entities, has an installed/managed capacity of 14,294 MW.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Schweitzer Engineering Laboratories SEL	Exact match	Pullman, WA, United StatesHQ recorded Oct 12, 2026	5,001-10,000	6,798 contacts →
	Exact match “SEL is a globally recognized designer and manufacturer of products and solutions that make electric power safer, more reliable, and more economical.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Toshiba	Exact match	Irvine, CA, United StatesHQ recorded Oct 12, 2026	n/a	6,305 contacts →
	Exact match “For 150 years, Toshiba has been engineering solutions that drive progress, empower industries, and create a more resilient future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Hubbell Incorporated	Exact match	Shelton, CT, United StatesHQ recorded Oct 12, 2026	10001+	4,366 contacts →
	Exact match “Hubbell Incorporated is a leading manufacturer of utility and electrical solutions that help build more reliable, resilient, and renewable energy infrastructure.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Sargent & Lundy	Exact match	Chicago, United StatesHQ recorded Oct 12, 2026	1,001-5,000	4,341 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 12, 2026	10001+	4,217 contacts →
	Exact match “Following the acquisition of SNC-Lavalin's oil and gas division, Kentz has become a part of Kent.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Landis GYR	Exact match	Cham, SwitzerlandHQ recorded Oct 12, 2026	5,001-10,000	4,155 contacts →
	Exact match “Landis+Gyr is a global energy technology leader delivering intelligent solutions that connect devices, data, and decisions across the grid.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	3,020 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 · Oct 12, 2026 · View company records in RevenueBase
10	Powell	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,646 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 · Oct 12, 2026 · View company records in RevenueBase
11	Tennet Germany	Exact match	Bayreuth, GermanyHQ recorded Oct 12, 2026	5,001-10,000	2,499 contacts →
	Exact match “TenneT is a leading European grid operator.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	S&c Electric Company	Exact match	Chicago, IL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,493 contacts →
	Exact match “S&C is empowering people to transform the grid.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Tabocas Participações Empreendimentos S A	Exact match	Belo Horizonte, BrazilHQ recorded Oct 12, 2026	10001+	2,327 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 · Oct 12, 2026 · View company records in RevenueBase
14	Areva T&d	Exact match	92084 Paris - La Défense, FranceHQ recorded Oct 12, 2026	10001+	2,102 contacts →
	Exact match “One of the top three global players in the transmission and distribution of energy, AREVA T&D offers solutions to bring electricity from the source onto the power network.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Omexom	Exact match	Nanterre, FranceHQ recorded Oct 12, 2026	5,001-10,000	2,023 contacts →
	Exact match “With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Enercon Services, INC	Exact match	Kennesaw, GA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,980 contacts →
	Exact match “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Shaker Consultancy Group	Exact match	Cairo, EgyptHQ recorded Oct 12, 2026	1,001-5,000	1,911 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 · Oct 12, 2026 · View company records in RevenueBase
18	Engelmig Energia	Exact match	Belo Horizonte, BrazilHQ recorded Oct 12, 2026	5,001-10,000	1,854 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 · Oct 12, 2026 · View company records in RevenueBase
19	Westwood Professional Services	Exact match	Plano, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,801 contacts →
	Exact match “At Westwood, our purpose is to create a better world for people through our work.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Çalık Enerji	Exact match	İstanbul, TürkiyeHQ recorded Oct 12, 2026	10001+	1,725 contacts →
	Exact match “Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,618 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 · Oct 12, 2026 · View company records in RevenueBase
22	Kirby Group Engineering	Exact match	Limerick, IrelandHQ recorded Oct 12, 2026	1,001-5,000	1,518 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 · Oct 12, 2026 · View company records in RevenueBase
23	Control Construções Ltda	Exact match	Joao Pessoa, BrazilHQ recorded Oct 12, 2026	1,001-5,000	1,368 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 · Oct 12, 2026 · View company records in RevenueBase
24	Industrial Electric Mfg. IEM	Exact match	Fremont, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,274 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 · Oct 12, 2026 · View company records in RevenueBase
25	Nidec Conversion	Exact match	Cinisello Balsamo, ItalyHQ recorded Oct 12, 2026	1,001-5,000	1,227 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 · Oct 12, 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 grid 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 20,737 electrical grid engineering firms worldwide

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Electrical grid engineering firms worldwide at a glance

As of Oct 12, 2026

27.1%Verified-email coverage

20.2Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

9,283

11-50

7,183

51-200

2,788

201-500

769

501-1,000

250

1,001-5,000

237

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 grid engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “electrical grid 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 113,444 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 12, 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 grid engineering firms by location

83 lists · largest first

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

How many electrical grid engineering firms are there worldwide?

RevenueBase identified 20,737 company matches for electrical grid engineering firms 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?

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

Which country has the most electrical grid engineering firms?

The United States leads with 3,285 companies, followed by Brazil (1,822) and India (1,202). Every electrical grid engineering firms list by country and city is linked on this page.

Which city has the most electrical grid engineering firms?

Sao Paulo leads with 158 company records, followed by Istanbul (112) and Houston (87).

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 113,444 professional contacts with verified work emails tracked across these 20,737 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 12, 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.