Company lists · Data refreshed November 2026

Top 25 Transformers and switchgear suppliers worldwide

Name: Transformers and switchgear suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 12,643 companies tracked

RevenueBase identified 12,643 company matches for transformers and switchgear suppliers worldwide as of November 2026 and tracks 282,879 professional contacts across them, including 70,502 with verified work emails. India is the largest market and Bangalore the largest hub.

This list covers company matches for transformers and switchgear suppliers 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 transformers and switchgear suppliers 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

12,643Companies

282,879Contacts tracked

70,502Verified emails

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The 25 largest transformers and switchgear suppliers worldwide

Ranked by team size

Top 25 of 12,643 company matches for transformers and switchgear suppliers 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	Hitachi Energy	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	10001+	33,344 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 · Nov 6, 2026 · View company records in RevenueBase
2	CG Power And Industrial Solutions Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	5,164 contacts →
	Exact match “CG Power and Industrial Solutions Limited is an engineering conglomerate headquartered in Mumbai, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Littelfuse	Exact match	Rosemont, IL, United StatesHQ recorded Nov 6, 2026	10001+	4,588 contacts →
	Exact match “Littelfuse, Inc.(NASDAQ: LFUS) is a diversified, industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	C&s Electric LTD	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	5,001-10,000	2,948 contacts →
	Exact match Recorded description not available. 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	Lauritz Knudsen Electrical & Automation	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	10001+	2,482 contacts →
	Exact match “Lauritz Knudsen Electrical and Automation is a pioneering electrical and automation brand with a rich legacy of over 70 years in India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Electrical Components International	Exact match	Southfield, MI, United StatesHQ recorded Nov 6, 2026	10001+	2,316 contacts →
	Exact match “Founded in 1953, Electrical Components International (ECI) is one of the world’s leading suppliers of electrical distribution systems, control box assemblies, and other critical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Rexel USA	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	10001+	2,173 contacts →
	Exact match “Together, we’re delivering the power of a global brand Millions of US electrical customers trust the expertise, resources and relationships of Rexel Holdings USA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Areva T&d	Exact match	92084 Paris - La Défense, FranceHQ recorded Nov 6, 2026	10001+	2,148 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 · Nov 6, 2026 · View company records in RevenueBase
10	Prolec Energy	Exact match	Apodaca, LA, MexicoHQ recorded Nov 6, 2026	5,001-10,000	2,033 contacts →
	Exact match “Prolec has more than fifty years of experience in the creation of comprehensive solutions to meet the needs of power generation, transmission, and distribution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Raychem RPG P LTD	Exact match	Thane, IndiaHQ recorded Nov 6, 2026	501-1,000	1,489 contacts →
	Exact match “Every transformation begins with a connection, the kind that turns ideas into impact, energy into progress, & possibilities into reality.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	Lucy Electric	Exact match	Thame, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,305 contacts →
	Exact match “Lucy Electric is a leader in secondary power distribution solutions with over 100 years’ industry experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	Bharat Bijlee LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,200 contacts →
	Exact match “Bharat Bijlee is a public-listed electrical engineering company headquartered in Mumbai, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Hubbell Power Systems	Exact match	Columbia, SC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,129 contacts →
	Exact match “Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Ormazabal	Exact match	Derio, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,124 contacts →
	Exact match “We are experts in customized and high-tech electrical solutions for your challenges At Ormazabal we design and manufacture solutions aimed at digitalizing the electrical grid to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Arteche	Exact match	Mungia, SpainHQ recorded Nov 6, 2026	1,001-5,000	1,119 contacts →
	Exact match “The Arteche Group, with 75 years of experience in the electric power industry, offers high-tech solutions and equipment, with a complete range of instrument transformers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Dashiell Corporation	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,087 contacts →
	Exact match “Dashiell is a leading national provider of technical services to the electric utility, power generation, industrial, renewable and energy industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Sudhir Power LTD	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,077 contacts →
	Exact match “Sudhir Power Limited, established in 1973, is a leader in Diesel Gensets, Transformers, PSS, HT & LT panels, and Equipment rental services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Mitsubishi Electric Power Products, INC	Exact match	Warrendale, FL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,037 contacts →
	Exact match “Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Astor A.Ş	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	1,001-5,000	1,034 contacts →
	Exact match “Astor Enerji is an innovative company leading the electromechanical manufacturing industry sector by manufacturing and selling transformers with its knowledge of nearly 40 years…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Howard Industries	Exact match	Ellisville, MS, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,023 contacts →
	Exact match “Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Eecol Electric	Exact match	Calgary, AB, CanadaHQ recorded Nov 6, 2026	1,001-5,000	1,007 contacts →
	Exact match “Since 1919 EECOL Electric has provided material and technical support for the construction, industrial, and residential markets from over 60 locations in Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Electrical Consultants, INC	Exact match	Billings, WA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	987 contacts →
	Exact match “Electrical Consultants, Inc.(ECI) is an employee-owned, national provider of high voltage transmission, substation, and distribution solutions.” 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 “transformers and switchgear suppliers”. 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 12,643 transformers and switchgear suppliers worldwide

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Transformers and switchgear suppliers worldwide at a glance

As of Nov 6, 2026

24.9%Verified-email coverage

22.4Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · Bangalore

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,474

11-50

4,568

51-200

2,898

201-500

879

501-1,000

316

1,001-5,000

205

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 transformers and switchgear suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “transformers and switchgear suppliers” 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 70,502 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.

Transformers and switchgear suppliers by location

59 lists · largest first

Every Transformers and switchgear suppliers 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 “transformers and switchgear suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformers and switchgear suppliers are there worldwide?

RevenueBase identified 12,643 company matches for transformers and switchgear suppliers 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?

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

Which country has the most transformers and switchgear suppliers?

India leads with 3,003 companies, followed by the United States (909) and China (735). Every transformers and switchgear suppliers list by country and city is linked on this page.

Which city has the most transformers and switchgear suppliers?

Bangalore leads with 220 company records, followed by Delhi (161) and Pune (157).

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 70,502 professional contacts with verified work emails tracked across these 12,643 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.