Company lists · Data refreshed November 2026

Top 25 Electrical transformer testing companies worldwide

RevenueBase identified 3,902 company matches for electrical transformer testing companies worldwide as of November 2026 and tracks 63,623 professional contacts across them, including 14,430 with verified work emails. India is the largest market and Vadodara the largest hub.

This list covers company matches for electrical transformer testing companies 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 transformer testing companies 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
3,902Companies
63,623Contacts tracked
14,430Verified emails
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The 25 largest electrical transformer testing companies worldwide

Ranked by team size
Top 25 of 3,902 company matches for electrical transformer testing companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20261,001-5,0001,395 contacts →

Exact match

“Kinectrics is an integrated lifecycle management services company providing testing, inspection, certification and engineering consulting for the electric power generation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchIrving, OK, United StatesHQ recorded Nov 6, 20261,001-5,0001,324 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261,001-5,0001,034 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
4Exact matchKlaus, FranceHQ recorded Nov 6, 20261,001-5,000937 contacts →

Exact match

“OMICRON is an international company that works passionately on ideas for making electric power systems safe and reliable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBalıkesir, TürkiyeHQ recorded Nov 6, 20261,001-5,000786 contacts →

Exact match

“BEST Transformer, founded in 1966 in Balıkesir, produces oil-immersed distribution transformers, power transformers, cast resin dry-type transformers, reactors, and mechanical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSabhan, KuwaitHQ recorded Nov 6, 20261,001-5,000758 contacts →

Exact match

“Established in 1982 by Sayed Hamid Behbehani & Sons, Kuwait.* First Kuwaiti company to be awarded with ISO 9001 back in 1995 by DNV.* Company certified for ISO/TS 29001:2010…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGuelph, ON, CanadaHQ recorded Nov 6, 20261,001-5,000684 contacts →

Exact match

“Hammond Power Solutions is a North American leader for the design and manufacture of dry-type standard and custom electrical engineered magnetics, liquid filled and cast resin…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMaryland Heights, MI, United StatesHQ recorded Nov 6, 2026501-1,000678 contacts →

Exact match

“Electric Power Systems is an independent electrical testing & engineering organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 2026501-1,000662 contacts →

Exact match

“Doble is the world’s most trusted brand in electrical diagnostics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAhmedabad, IndiaHQ recorded Nov 6, 20261,001-5,000632 contacts →

Exact match

“Transformer & Rectifier (India) Limited (TARIL) is one of India’s leading transformer manufacturers, with over four decades of engineering excellence and a strong global presence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMilan, ItalyHQ recorded Nov 6, 20261,001-5,000611 contacts →

Exact match

“KEMA Labs, a CESI SpA Division, is the world leader for the independent Testing, Inspection and Certification activities in the power industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchVadodara, IndiaHQ recorded Nov 6, 2026501-1,000508 contacts →

Exact match

“Voltamp Transformers Limited is a Oil filled Power, Distribution and Dry type Transformer manufacturing company based in Vadodara, Gujarat State in India since year 1967.The…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNijmegen, NetherlandsHQ recorded Nov 6, 2026501-1,000466 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSurrey, BC, CanadaHQ recorded Nov 6, 2026201-500462 contacts →

Exact match

“One of the largest testing and research labs in North America, Powertech is home to a broad range of scientists, engineers, and technical specialists from around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBasiskele, TürkiyeHQ recorded Nov 6, 20261,001-5,000460 contacts →

Exact match

“ENPAY is the Pace-Setter of Transformer Industry serving to its customers from its 4 Plants Worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMontevideo, UruguayHQ recorded Nov 6, 2026501-1,000431 contacts →

Exact match

“Empresa de Ingeniería y Servicios en el area de la Ingenieria Electrica e Industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPereira, ColombiaHQ recorded Nov 6, 20261,001-5,000418 contacts →

Exact match

“Somos una empresa dedicada a producir y comercializar transformadores y equipos para el sector energético mundial, promoviendo el desarrollo de ingeniería nacional, la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGununganyar, IndonesiaHQ recorded Nov 6, 2026501-1,000410 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,000407 contacts →

Exact match

“Since 2001, UTEC has been Saudi Arabia's trusted partner for power transformers, substations, switchgear, and mission-critical electrical solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnand, IndiaHQ recorded Nov 6, 202651-200394 contacts →

Exact match

“ATLANTA ELECTRICALS is an electrical/electronic manufacturing company based out of India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchViña Del Mar, ChileHQ recorded Nov 6, 2026501-1,000394 contacts →

Exact match

“RHONA nace de la unión de dos empresas de ingeniería, cuyos inicios se remontan a 1943.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMalaga, AustraliaHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“We are an engineering and technical services business that won’t let you down.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Nov 6, 202651-200333 contacts →

Exact match

“Somos una empresa argentina líder en la fabricación de transformadores de potencia y distribución con más de 60 años de experiencia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRegensburg, OH, GermanyHQ recorded Nov 6, 20261,001-5,000324 contacts →

Exact match

“Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGreer, ID, United StatesHQ recorded Nov 6, 2026201-500311 contacts →

Exact match

“Maddox serves the commercial, industrial, utility, and renewables segments of the transformer market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,902 electrical transformer testing companies worldwide

See the full list, filter by size, metro and specialty, and access 14,430 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical transformer testing companies worldwide at a glance

As of Nov 6, 2026
22.7%Verified-email coverage
16.3Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Vadodara
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,321
11-50
1,358
51-200
776
201-500
229
501-1,000
79
1,001-5,000
56
5,001-10,000
6
10001+
1

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 transformer testing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “electrical transformer testing companies” 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 14,430 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 transformer testing companies by location

19 lists · largest first

Every Electrical transformer testing companies 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 transformer testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical transformer testing companies are there worldwide?

RevenueBase identified 3,902 company matches for electrical transformer testing companies 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?

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

Which country has the most electrical transformer testing companies?

India leads with 826 companies, followed by the United States (397) and Brazil (257). Every electrical transformer testing companies list by country and city is linked on this page.

Which city has the most electrical transformer testing companies?

Vadodara leads with 54 company records, followed by Bangalore (50) and Pune (47).

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 14,430 professional contacts with verified work emails tracked across these 3,902 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.