Company lists · Data refreshed November 2026

Top 25 Transformer oil coolers suppliers worldwide

RevenueBase identified 656 company matches for transformer oil coolers suppliers worldwide as of November 2026 and tracks 9,830 professional contacts across them, including 2,304 with verified work emails. India is the largest market and Coimbatore the largest hub.

This list covers company matches for transformer oil coolers 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 2, 2026. Country and city lists for transformer oil coolers 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 2, 2026 How this list was built
656Companies
9,830Contacts tracked
2,304Verified emails
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The 25 largest transformer oil coolers suppliers worldwide

Ranked by team size
Top 25 of 656 company matches for transformer oil coolers suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchDyersburg, TN, United StatesHQ recorded Nov 2, 20261,001-5,000611 contacts →

Exact match

“ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchTaneytown, CA, United StatesHQ recorded Nov 2, 20261,001-5,000606 contacts →

Exact match

“At EVAPCO, we believe the best cooling solutions are built by people who care.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchVadodara, IndiaHQ recorded Nov 2, 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 2, 2026 · View company records in RevenueBase
4Exact matchLa Palma, CA, United StatesHQ recorded Nov 2, 2026201-500239 contacts →

Exact match

“At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchHofgeismar, GermanyHQ recorded Nov 2, 20261,001-5,000239 contacts →

Exact match

“Manufacturer of coolers and heat exchangers worldwide Development and production of high-performance heat exchangers and complete cooling modules for application in construction…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchClaremore, OK, United StatesHQ recorded Nov 2, 20261,001-5,000235 contacts →

Exact match

“AXH air-coolers has been a leader in designing and manufacturing high-performance air-cooled heat exchangers for decades.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchMontgomery, AL, United StatesHQ recorded Nov 2, 2026201-500212 contacts →

Exact match

“HD Hyundai Power Transformers USA, Inc, a subsidiary of HD Hyundai Electric Systems, stands as a premier transformer manufacturer located in Montgomery, Alabama.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchChennai, IndiaHQ recorded Nov 2, 2026201-500197 contacts →

Exact match

“Alkraft is a leading manufacturer and thermal solutions partner to global OEMs in the automotive and non-automotive industries.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchIstanbul, TürkiyeHQ recorded Nov 2, 2026201-500188 contacts →

Exact match

“FRITERM A.Ş.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchLem, BrazilHQ recorded Nov 2, 2026201-500172 contacts →

Exact match

“Vestas aircoil group - Your trusted Technology Partner in Heat Exchangers for a world in need of cooling.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchNavi Mumbai, IndiaHQ recorded Nov 2, 2026501-1,000170 contacts →

Exact match

“Prijai Heat Exchangers Pvt Ltd is a machinery company based out of B-25, MIDC INDUSTRIAL AREA, Navi Mumbai, Maharashtra, India.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchShawnee, AL, United StatesHQ recorded Nov 2, 2026501-1,000170 contacts →

Exact match

“For over a century, Wolverine Tube has been an industry leader in providing innovative heat transfer solutions including the design, development, and fabrication of thermal…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchNashua, NC, United StatesHQ recorded Nov 2, 2026501-1,000132 contacts →

Exact match

“Wakefield Thermal is one of the world’s leading complete end-to-end thermal solutions design, engineering and manufacturing companies, with over 50 years experience solving…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchVernon, CA, United StatesHQ recorded Nov 2, 2026201-500131 contacts →

Exact match

“MGM Transformers is now part of Forgent Power Solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchHibbing, SD, United StatesHQ recorded Nov 2, 2026201-500100 contacts →

Exact match

“Since 1957, L&M Radiator, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchColville, IL, United StatesHQ recorded Nov 2, 2026201-50096 contacts →

Exact match

“Colmac Coil manufactures new and replacement plate fin heating and cooling coils, dry coolers, air-cooled condensers, and heat pipe air-to-air heat exchangers for the commercial…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchRivarotta, ItalyHQ recorded Nov 2, 2026201-50094 contacts →

Exact match

“Thermokey is one of the european major manufacturer of top quality heat exchangers for Commercial Refrigeration, Industrial Refrigeration, HVAC, Energy & Process Cooling.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchNiles, IL, United StatesHQ recorded Nov 2, 202651-20088 contacts →

Exact match

“We are the industry expert and value leader in process heating and cooling solutions.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchLondon, GA, CanadaHQ recorded Nov 2, 202651-20087 contacts →

Exact match

“Founded in 1982, CANDUCT INDUSTRIES is a leading manufacturer Electrical Insulation, primarily used for cooling for oil cooled transformers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchHyderabad, IndiaHQ recorded Nov 2, 2026201-50080 contacts →

Exact match

“ESENNAR is one of the reputed Transformer manufacturers in India, with a comprehensive World class design and manufacturing facility in Hyderabad.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchKemalpaşa, TürkiyeHQ recorded Nov 2, 2026201-50076 contacts →

Exact match

“We, as AKG Turkey, are the one of 12 production plants located in 7 countries of AKG Group which produces over 2,5 million radiator and cooler per year and which celebrated the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchUnited Arab EmiratesHQ recorded Nov 2, 2026201-50071 contacts →

Exact match

“Established in 1986, Dolphin Group, specializes in design and manufacturing the best high performance Industrial and Automotive thermal products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 2, 202651-20067 contacts →

Exact match

“Eads has been providing the oil and gas market with trusted designs and superior service for over 5 decades.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchDammam, Saudi ArabiaHQ recorded Nov 2, 2026201-50064 contacts →

Exact match

“Salama Engineering Industries is a Specialized heat transfer equipment Manufacturer in the Kingdom of Saudi Arabia.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchNova Odessa, BrazilHQ recorded Nov 2, 202651-20064 contacts →

Exact match

“Italytec, part of the VBG Group, is a company specialized in heat transfer technology.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 656 transformer oil coolers suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,304 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Transformer oil coolers suppliers worldwide at a glance

As of Nov 2, 2026
23.4%Verified-email coverage
15.0Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Coimbatore
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
190
11-50
197
51-200
170
201-500
64
501-1,000
15
1,001-5,000
11

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 transformer oil coolers suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “transformer oil coolers 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 2,304 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 2, 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.

Transformer oil coolers suppliers by location

5 lists · largest first

Every Transformer oil coolers suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “transformer oil coolers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transformer oil coolers suppliers are there worldwide?

RevenueBase identified 656 company matches for transformer oil coolers 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?

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

Which country has the most transformer oil coolers suppliers?

India leads with 170 companies, followed by the United States (84) and Türkiye (42). Every transformer oil coolers suppliers list by country and city is linked on this page.

Which city has the most transformer oil coolers suppliers?

Coimbatore leads with 11 company records, followed by Pune (11) and Bangalore (10).

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 2,304 professional contacts with verified work emails tracked across these 656 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 2, 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.