Company lists · Data refreshed November 2026
Top 25 Oil cooled transformer manufacturers worldwide
RevenueBase identified 2,896 company matches for oil cooled transformer manufacturers worldwide as of November 2026 and tracks 87,892 professional contacts across them, including 19,864 with verified work emails. India is the largest market and Bangalore the largest hub.
This list covers company matches for oil cooled transformer manufacturers 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 4, 2026. Country and city lists for oil cooled transformer manufacturers 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.
The 25 largest oil cooled transformer manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 4, 2026 · View company records in RevenueBase | |||||
| 2 | 2,948 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 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 4, 2026 · View company records in RevenueBase | |||||
| 4 | 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 4, 2026 · View company records in RevenueBase | |||||
| 5 | 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 4, 2026 · View company records in RevenueBase | |||||
| 6 | 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 4, 2026 · View company records in RevenueBase | |||||
| 7 | 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 4, 2026 · View company records in RevenueBase | |||||
| 8 | 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 4, 2026 · View company records in RevenueBase | |||||
| 9 | 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 4, 2026 · View company records in RevenueBase | |||||
| 10 | 1,037 contacts → | ||||
Exact match “Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 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 4, 2026 · View company records in RevenueBase | |||||
| 12 | 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 4, 2026 · View company records in RevenueBase | |||||
| 13 | 952 contacts → | ||||
Exact match “Vijai Electricals Ltd.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 915 contacts → | ||||
Exact match “Virginia Transformer is an engineering company that manufactures transformers.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 15 | 786 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 4, 2026 · View company records in RevenueBase | |||||
| 16 | 758 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 4, 2026 · View company records in RevenueBase | |||||
| 17 | 752 contacts → | ||||
Exact match “As Trench Group, we are sage and VISIONARY INNOMAKERS leading the sustainable transformation of the electric power industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 632 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 4, 2026 · View company records in RevenueBase | |||||
| 19 | 611 contacts → | ||||
Exact match “ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 585 contacts → | ||||
Exact match “For nearly eight decades, Kirloskar Electric has powered India’s infrastructure.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 542 contacts → | ||||
Exact match “Kirloskar Electric Company Limited (KEC) is one of India 's leading manufacturers of electrical and power equipment.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 531 contacts → | ||||
Exact match “MR: THE POWER BEHIND POWER We at MR have been writing our success story in the world of energy technology for more than 150 years.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 508 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 4, 2026 · View company records in RevenueBase | |||||
| 24 | 482 contacts → | ||||
Exact match “Sicame Group is recognized as one of the world leaders specializing in the production and sale of accessories and services for the transmission and distribution of electrical…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 466 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 4, 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 “oil cooled transformer manufacturers”. 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 2,896 oil cooled transformer manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 19,864 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil cooled transformer manufacturers worldwide at a glance
As of Nov 4, 2026Companies by employee count
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 oil cooled transformer manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “oil cooled transformer manufacturers” 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 19,864 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 4, 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.
Oil cooled transformer manufacturers by location
15 lists · largest firstEvery Oil cooled transformer manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil cooled transformer manufacturers based in India675
- Oil cooled transformer manufacturers based in the United States271
- Oil cooled transformer manufacturers based in Brazil147
- Oil cooled transformer manufacturers based in Türkiye135
- Oil cooled transformer manufacturers based in Italy112
- Oil cooled transformer manufacturers based in Germany70
- Oil cooled transformer manufacturers based in the United Kingdom63
- Oil cooled transformer manufacturers based in Canada53
- Oil cooled transformer manufacturers based in Mexico47
- Oil cooled transformer manufacturers based in Spain39
- Oil cooled transformer manufacturers based in France37
- Oil cooled transformer manufacturers based in South Africa34
- Oil cooled transformer manufacturers based in Australia28
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 “oil cooled transformer manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil cooled transformer manufacturers are there worldwide?
RevenueBase identified 2,896 company matches for oil cooled transformer manufacturers 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?
Littelfuse tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most oil cooled transformer manufacturers?
India leads with 675 companies, followed by the United States (271) and Brazil (147). Every oil cooled transformer manufacturers list by country and city is linked on this page.
Which city has the most oil cooled transformer manufacturers?
Bangalore leads with 46 company records, followed by Vadodara (39) and Pune (38).
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 19,864 professional contacts with verified work emails tracked across these 2,896 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,896 oil cooled transformer manufacturers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 oil cooled transformer manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,896 matching company records for oil cooled transformer manufacturers worldwide, with 87,892 tracked contacts and 19,864 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil cooled transformer manufacturers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Littelfuselittelfuse.com HQ: Rosemont, IL, United StatesReported employees: 10001+ | Rosemont, IL, United States | 10001+ | Exact match | 4,588 contacts → |
“Littelfuse, Inc.(NASDAQ: LFUS) is a diversified, industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | C&s Electric LTDcselectric.co.in HQ: New Delhi, IndiaReported employees: 5,001-10,000 | New Delhi, India | 5,001-10,000 | Exact match | 2,948 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  Powellpowellind.comHQ: Houston, IL, United StatesReported employees: 1,001-5,000 | Houston, IL, United States | 1,001-5,000 | Exact match | 2,666 contacts → |
“Powell is hiring- Powell is dedicated to improving people’s lives by providing reliable power distribution systems in every market we serve.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Prolec Energyprolec.energy HQ: Apodaca, LA, MexicoReported employees: 5,001-10,000 | Apodaca, LA, Mexico | 5,001-10,000 | Exact match | 2,033 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Raychem RPG P LTDraychemrpg.comHQ: Thane, IndiaReported employees: 501-1,000 | Thane, India | 501-1,000 | Exact match | 1,489 contacts → |
“Every transformation begins with a connection, the kind that turns ideas into impact, energy into progress, & possibilities into reality.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Industrial Electric Mfg. IEMiemfg.comHQ: Fremont, BC, United StatesReported employees: 1,001-5,000 | Fremont, BC, United States | 1,001-5,000 | Exact match | 1,317 contacts → |
“Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lucy Electriclucyelectric.com HQ: Thame, United KingdomReported employees: 1,001-5,000 | Thame, United Kingdom | 1,001-5,000 | Exact match | 1,305 contacts → |
“Lucy Electric is a leader in secondary power distribution solutions with over 100 years’ industry experience.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bharat Bijlee LTDbharatbijlee.comHQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 1,200 contacts → |
“Bharat Bijlee is a public-listed electrical engineering company headquartered in Mumbai, India.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Hubbell Power Systemshubbellpowersystems.comHQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,129 contacts → |
“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Warrendale, FL, United StatesReported employees: 1,001-5,000 | Warrendale, FL, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Astor A.Şastoras.com.trHQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 1,034 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Howard Industrieshoward.comHQ: Ellisville, MS, United StatesReported employees: 1,001-5,000 | Ellisville, MS, United States | 1,001-5,000 | Exact match | 1,023 contacts → |
“Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vijai Electricals Limited, Hyderabadvijaielectricals.com HQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 952 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Virginia Transformer Corpvatransformer.com HQ: Roanoke, United StatesReported employees: 5,001-10,000 | Roanoke, United States | 5,001-10,000 | Exact match | 915 contacts → |
“Virginia Transformer is an engineering company that manufactures transformers.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Best Transformerbesttransformer.com HQ: Balıkesir, TürkiyeReported employees: 1,001-5,000 | Balıkesir, Türkiye | 1,001-5,000 | Exact match | 786 contacts → |
“BEST Transformer, founded in 1966 in Balıkesir, produces oil-immersed distribution transformers, power transformers, cast resin dry-type transformers, reactors, and mechanical…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  AL Ahleia Switchgear Co. Ksccahleiasg.comHQ: Sabhan, KuwaitReported employees: 1,001-5,000 | Sabhan, Kuwait | 1,001-5,000 | Exact match | 758 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Trench Grouptrench-group.com HQ: Berlin, ON, GermanyReported employees: 1,001-5,000 | Berlin, ON, Germany | 1,001-5,000 | Exact match | 752 contacts → |
“As Trench Group, we are sage and VISIONARY INNOMAKERS leading the sustainable transformation of the electric power industry.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Transformers & Rectifiers India LTDtransformerindia.com HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 632 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ermco-Eciermco-eci.com HQ: Dyersburg, TN, United StatesReported employees: 1,001-5,000 | Dyersburg, TN, United States | 1,001-5,000 | Exact match | 611 contacts → |
“ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kirloskar Electric Company LTDkirloskarelectric.com HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 585 contacts → |
“For nearly eight decades, Kirloskar Electric has powered India’s infrastructure.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kirloskar Electric Co. LTDkirloskar-electric.com HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 542 contacts → |
“Kirloskar Electric Company Limited (KEC) is one of India 's leading manufacturers of electrical and power equipment.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Maschinenfabrik Reinhausenreinhausen.com HQ: Regensburg, GermanyReported employees: 1,001-5,000 | Regensburg, Germany | 1,001-5,000 | Exact match | 531 contacts → |
“MR: THE POWER BEHIND POWER We at MR have been writing our success story in the world of energy technology for more than 150 years.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 508 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sicame Groupsicame-group.com HQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 482 contacts → |
“Sicame Group is recognized as one of the world leaders specializing in the production and sale of accessories and services for the transmission and distribution of electrical…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Royal Smit Transformers B.Vwerkenbij.sgb-smit.group HQ: Nijmegen, NetherlandsReported employees: 501-1,000 | Nijmegen, Netherlands | 501-1,000 | Exact match | 466 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 2,896 company matches
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Oil cooled transformer manufacturers: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,843 records in the displayed employee bands.
53 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,896 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil cooled transformer manufacturers by location
15 lists · largest firstEvery Oil cooled transformer manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil cooled transformer manufacturers based in India675
- Oil cooled transformer manufacturers based in the United States271
- Oil cooled transformer manufacturers based in Brazil147
- Oil cooled transformer manufacturers based in Türkiye135
- Oil cooled transformer manufacturers based in Italy112
- Oil cooled transformer manufacturers based in Germany70
- Oil cooled transformer manufacturers based in the United Kingdom63
- Oil cooled transformer manufacturers based in Canada53
- Oil cooled transformer manufacturers based in Mexico47
- Oil cooled transformer manufacturers based in Spain39
- Oil cooled transformer manufacturers based in France37
- Oil cooled transformer manufacturers based in South Africa34
- Oil cooled transformer manufacturers based in Australia28
Cities
Questions about this company list
What does Exact match mean for oil cooled transformer manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil cooled transformer manufacturers did RevenueBase find worldwide?
The saved snapshot records 2,896 matching company records, 87,892 tracked contacts and 19,864 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil cooled transformer manufacturers worldwide. Snapshot: November 4, 2026. https://revenuebase.ai/companies/browse/oil-cooled-transformer-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 oil cooled transformer manufacturers worldwide
RevenueBase records 2,896 matching company records for oil cooled transformer manufacturers worldwide, with 87,892 tracked contacts and 19,864 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil cooled transformer manufacturers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Littelfuselittelfuse.com HQ: Rosemont, IL, United StatesReported employees: 10001+ | Rosemont, IL, United States | 10001+ | Exact match | 4,588 contacts → |
“Littelfuse, Inc.(NASDAQ: LFUS) is a diversified, industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | C&s Electric LTDcselectric.co.in HQ: New Delhi, IndiaReported employees: 5,001-10,000 | New Delhi, India | 5,001-10,000 | Exact match | 2,948 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | Powellpowellind.com HQ: Houston, IL, United StatesReported employees: 1,001-5,000 | Houston, IL, United States | 1,001-5,000 | Exact match | 2,666 contacts → |
“Powell is hiring- Powell is dedicated to improving people’s lives by providing reliable power distribution systems in every market we serve.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Prolec Energyprolec.energy HQ: Apodaca, LA, MexicoReported employees: 5,001-10,000 | Apodaca, LA, Mexico | 5,001-10,000 | Exact match | 2,033 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Raychem RPG P LTDraychemrpg.com HQ: Thane, IndiaReported employees: 501-1,000 | Thane, India | 501-1,000 | Exact match | 1,489 contacts → |
“Every transformation begins with a connection, the kind that turns ideas into impact, energy into progress, & possibilities into reality.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Industrial Electric Mfg. IEMiemfg.com HQ: Fremont, BC, United StatesReported employees: 1,001-5,000 | Fremont, BC, United States | 1,001-5,000 | Exact match | 1,317 contacts → |
“Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lucy Electriclucyelectric.com HQ: Thame, United KingdomReported employees: 1,001-5,000 | Thame, United Kingdom | 1,001-5,000 | Exact match | 1,305 contacts → |
“Lucy Electric is a leader in secondary power distribution solutions with over 100 years’ industry experience.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bharat Bijlee LTDbharatbijlee.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 1,200 contacts → |
“Bharat Bijlee is a public-listed electrical engineering company headquartered in Mumbai, India.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Hubbell Power Systemshubbellpowersystems.com HQ: Columbia, SC, United StatesReported employees: 1,001-5,000 | Columbia, SC, United States | 1,001-5,000 | Exact match | 1,129 contacts → |
“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Warrendale, FL, United StatesReported employees: 1,001-5,000 | Warrendale, FL, United States | 1,001-5,000 | Exact match | 1,037 contacts → |
“Mitsubishi Electric Power Products, Inc.(MEPPI) is a leading U.S.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Astor A.Şastoras.com.tr HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 1,034 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Howard Industrieshoward.com HQ: Ellisville, MS, United StatesReported employees: 1,001-5,000 | Ellisville, MS, United States | 1,001-5,000 | Exact match | 1,023 contacts → |
“Howard Industries is the leading manufacturer of liquid-filled distribution transformers for the utility and commercial/industrial markets.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vijai Electricals Limited, Hyderabadvijaielectricals.com HQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 952 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Virginia Transformer Corpvatransformer.com HQ: Roanoke, United StatesReported employees: 5,001-10,000 | Roanoke, United States | 5,001-10,000 | Exact match | 915 contacts → |
“Virginia Transformer is an engineering company that manufactures transformers.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Best Transformerbesttransformer.com HQ: Balıkesir, TürkiyeReported employees: 1,001-5,000 | Balıkesir, Türkiye | 1,001-5,000 | Exact match | 786 contacts → |
“BEST Transformer, founded in 1966 in Balıkesir, produces oil-immersed distribution transformers, power transformers, cast resin dry-type transformers, reactors, and mechanical…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | AL Ahleia Switchgear Co. Ksccahleiasg.com HQ: Sabhan, KuwaitReported employees: 1,001-5,000 | Sabhan, Kuwait | 1,001-5,000 | Exact match | 758 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Trench Grouptrench-group.com HQ: Berlin, ON, GermanyReported employees: 1,001-5,000 | Berlin, ON, Germany | 1,001-5,000 | Exact match | 752 contacts → |
“As Trench Group, we are sage and VISIONARY INNOMAKERS leading the sustainable transformation of the electric power industry.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Transformers & Rectifiers India LTDtransformerindia.com HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 632 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ermco-Eciermco-eci.com HQ: Dyersburg, TN, United StatesReported employees: 1,001-5,000 | Dyersburg, TN, United States | 1,001-5,000 | Exact match | 611 contacts → |
“ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kirloskar Electric Company LTDkirloskarelectric.com HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 585 contacts → |
“For nearly eight decades, Kirloskar Electric has powered India’s infrastructure.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kirloskar Electric Co. LTDkirloskar-electric.com HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 542 contacts → |
“Kirloskar Electric Company Limited (KEC) is one of India 's leading manufacturers of electrical and power equipment.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Maschinenfabrik Reinhausenreinhausen.com HQ: Regensburg, GermanyReported employees: 1,001-5,000 | Regensburg, Germany | 1,001-5,000 | Exact match | 531 contacts → |
“MR: THE POWER BEHIND POWER We at MR have been writing our success story in the world of energy technology for more than 150 years.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 508 contacts → |
“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 description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sicame Groupsicame-group.com HQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 482 contacts → |
“Sicame Group is recognized as one of the world leaders specializing in the production and sale of accessories and services for the transmission and distribution of electrical…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Royal Smit Transformers B.Vwerkenbij.sgb-smit.group HQ: Nijmegen, NetherlandsReported employees: 501-1,000 | Nijmegen, Netherlands | 501-1,000 | Exact match | 466 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 2,896 company matches
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Oil cooled transformer manufacturers: dataset insights
November 4, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,843 records in the displayed employee bands.
53 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,896 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil cooled transformer manufacturers by location
15 lists · largest firstEvery Oil cooled transformer manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil cooled transformer manufacturers based in India675
- Oil cooled transformer manufacturers based in the United States271
- Oil cooled transformer manufacturers based in Brazil147
- Oil cooled transformer manufacturers based in Türkiye135
- Oil cooled transformer manufacturers based in Italy112
- Oil cooled transformer manufacturers based in Germany70
- Oil cooled transformer manufacturers based in the United Kingdom63
- Oil cooled transformer manufacturers based in Canada53
- Oil cooled transformer manufacturers based in Mexico47
- Oil cooled transformer manufacturers based in Spain39
- Oil cooled transformer manufacturers based in France37
- Oil cooled transformer manufacturers based in South Africa34
- Oil cooled transformer manufacturers based in Australia28
Cities
Questions about this company list
What does Exact match mean for oil cooled transformer manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil cooled transformer manufacturers did RevenueBase find worldwide?
The saved snapshot records 2,896 matching company records, 87,892 tracked contacts and 19,864 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil cooled transformer manufacturers worldwide. Snapshot: November 4, 2026. https://revenuebase.ai/companies/browse/oil-cooled-transformer-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗