Company lists · Data refreshed November 2026
Top 25 Transformer insulation manufacturers worldwide
RevenueBase identified 2,326 company matches for transformer insulation manufacturers worldwide as of November 2026 and tracks 43,020 professional contacts across them, including 8,229 with verified work emails. India is the largest market and Vadodara the largest hub.
This list covers company matches for transformer insulation 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 6, 2026. Country and city lists for transformer insulation 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 transformer insulation manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 952 contacts → | ||||
Exact match “Vijai Electricals Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 6, 2026 · View company records in RevenueBase | |||||
| 4 | 611 contacts → | ||||
Exact match “ERMCO (Electric Research and Manufacturing Cooperative, Inc.) is headquartered in Dyersburg, Tennessee.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 606 contacts → | ||||
Exact match “PFISTERER is a globally leading and independent technology company with head offices in Winterbach near Stuttgart, Germany.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 517 contacts → | ||||
Exact match “Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 6, 2026 · View company records in RevenueBase | |||||
| 8 | 502 contacts → | ||||
Exact match “SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 466 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 460 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 | |||||
| 11 | 419 contacts → | ||||
Exact match “Please note that this account is no longer being actively managed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 410 contacts → | ||||
Exact match “PT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 407 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 | |||||
| 14 | 394 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 | |||||
| 15 | 324 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 | |||||
| 16 | 303 contacts → | ||||
Exact match “We are proud to announce that in this year, our new production facility equipped with the best, modern machines and equipment at m² open area, was started the production with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 295 contacts → | ||||
Exact match “THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 288 contacts → | ||||
Exact match “Transforming Energy for a Sustainable Tomorrow | KRYFS Power Components Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 287 contacts → | ||||
Exact match “ISOVOLTA Group is a leading international manufacturer of electrical insulating materials, technical laminates and composites and maintains a global presence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 274 contacts → | ||||
Exact match “A TRAEL iniciou suas atividades em 1992 com a fabricação de transformadores de distribuição, força e especiais.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 272 contacts → | ||||
Exact match “JFE Shoji Power Canada is an electrical steel products manufacturer located in Burlington, Ontario.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 265 contacts → | ||||
Exact match “We are a leading manufacturer of power transformers and other electronics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 263 contacts → | ||||
Exact match “Modern Insulators ltd is India’s largest manufacturer and exporter of equipment porcelain insulators, working closely with OEMs, Indian Railways, National and Regional Utilities…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 258 contacts → | ||||
Exact match “PT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 233 contacts → | ||||
Exact match “For 75 years Sediver has specialized in overhead line insulation technology - research, design, manufacturing, testing and supply of insulators for AC and DC applications designed…” 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 “transformer insulation 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 2,326 transformer insulation manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 8,229 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Transformer insulation manufacturers worldwide at a glance
As of Nov 6, 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 transformer insulation manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “transformer insulation 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 8,229 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.
Transformer insulation manufacturers by location
12 lists · largest firstEvery Transformer insulation manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Transformer insulation manufacturers based in India661
- Transformer insulation manufacturers based in the United States183
- Transformer insulation manufacturers based in Italy114
- Transformer insulation manufacturers based in Türkiye103
- Transformer insulation manufacturers based in Brazil99
- Transformer insulation manufacturers based in the United Kingdom53
- Transformer insulation manufacturers based in Germany52
- Transformer insulation manufacturers based in Canada40
- Transformer insulation manufacturers based in Spain34
- Transformer insulation manufacturers based in France25
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 “transformer insulation manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many transformer insulation manufacturers are there worldwide?
RevenueBase identified 2,326 company matches for transformer insulation 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?
Astor A.Ş tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most transformer insulation manufacturers?
India leads with 661 companies, followed by the United States (183) and Italy (114). Every transformer insulation manufacturers list by country and city is linked on this page.
Which city has the most transformer insulation manufacturers?
Vadodara leads with 54 company records, followed by Bangalore (43) and Jaipur (39).
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 8,229 professional contacts with verified work emails tracked across these 2,326 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.
Ready to reach these companies? Verified emails and direct dials for all 2,326 transformer insulation 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 transformer insulation 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 2,326 matching company records for transformer insulation manufacturers worldwide, with 43,020 tracked contacts and 8,229 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 6, 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 transformer insulation 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 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vijai Electricals Limited, Hyderabadvijaielectricals.comHQ: Hyderabad, IndiaReported employees: 5,001-10,000 | Hyderabad, India | 5,001-10,000 | Exact match | 952 contacts → |
“Vijai Electricals Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Best Transformerbesttransformer.comHQ: 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ermco-Eciermco-eci.comHQ: 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pfistererpfisterer.comHQ: Winterbach, FranceReported employees: 1,001-5,000 | Winterbach, France | 1,001-5,000 | Exact match | 606 contacts → |
“PFISTERER is a globally leading and independent technology company with head offices in Winterbach near Stuttgart, Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Distribution Internationaldistributioninternational.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 517 contacts → |
“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Voltamp Transformers Limitedvoltamptransformers.comHQ: 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SPIspi-co.comHQ: Charlotte, CT, United StatesReported employees: 1,001-5,000 | Charlotte, CT, United States | 1,001-5,000 | Exact match | 502 contacts → |
“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Royal Smit Transformers B.Vwerkenbij.sgb-smit.groupHQ: 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. | |||||
| 10 |  ENPAYenpay.comHQ: Basiskele, TürkiyeReported employees: 1,001-5,000 | Basiskele, Türkiye | 1,001-5,000 | Exact match | 460 contacts → |
“ENPAY is the Pace-Setter of Transformer Industry serving to its customers from its 4 Plants Worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  VON Rollelantas.comHQ: Wesel, GermanyReported employees: 1,001-5,000 | Wesel, Germany | 1,001-5,000 | Exact match | 419 contacts → |
“Please note that this account is no longer being actively managed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PT Bambang Djajabambangdjaja.comHQ: Gununganyar, IndonesiaReported employees: 501-1,000 | Gununganyar, Indonesia | 501-1,000 | Exact match | 410 contacts → |
“PT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  UTECutec.com.saHQ: Riyadh, Saudi ArabiaReported employees: 1,001-5,000 | Riyadh, Saudi Arabia | 1,001-5,000 | Exact match | 407 contacts → |
“Since 2001, UTEC has been Saudi Arabia's trusted partner for power transformers, substations, switchgear, and mission-critical electrical solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  RHONArhona.clHQ: Viña Del Mar, ChileReported employees: 501-1,000 | Viña Del Mar, Chile | 501-1,000 | Exact match | 394 contacts → |
“RHONA nace de la unión de dos empresas de ingeniería, cuyos inicios se remontan a 1943.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sgb-Smit Groupsgb-smit.comHQ: Regensburg, OH, GermanyReported employees: 1,001-5,000 | Regensburg, OH, Germany | 1,001-5,000 | Exact match | 324 contacts → |
“Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Eltaş Transformatör A.Şeltas.com.trHQ: TürkiyeReported employees: 501-1,000 | Türkiye | 501-1,000 | Exact match | 303 contacts → |
“We are proud to announce that in this year, our new production facility equipped with the best, modern machines and equipment at m² open area, was started the production with…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Wilson Transformer Companywtc.com.auHQ: Glen Waverley, AustraliaReported employees: 501-1,000 | Glen Waverley, Australia | 501-1,000 | Exact match | 295 contacts → |
“THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  KRYFSkryfs.comHQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 288 contacts → |
“Transforming Energy for a Sustainable Tomorrow | KRYFS Power Components Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Isovolta Groupisovolta.comHQ: Wiener Neudorf, PA, MexicoReported employees: 1,001-5,000 | Wiener Neudorf, PA, Mexico | 1,001-5,000 | Exact match | 287 contacts → |
“ISOVOLTA Group is a leading international manufacturer of electrical insulating materials, technical laminates and composites and maintains a global presence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Trael Transformadores Elétricos Ltdatrael.com.brHQ: Cuiabá, BrazilReported employees: 1,001-5,000 | Cuiabá, Brazil | 1,001-5,000 | Exact match | 274 contacts → |
“A TRAEL iniciou suas atividades em 1992 com a fabricação de transformadores de distribuição, força e especiais.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  JFE Shoji Power Canada INCjfeshojipower.comHQ: Burlington, ON, CanadaReported employees: 501-1,000 | Burlington, ON, Canada | 501-1,000 | Exact match | 272 contacts → |
“JFE Shoji Power Canada is an electrical steel products manufacturer located in Burlington, Ontario.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Telawne Power Equipments PVT LTDtelawne.comHQ: Navi Mumbai, IndiaReported employees: 201-500 | Navi Mumbai, India | 201-500 | Exact match | 265 contacts → |
“We are a leading manufacturer of power transformers and other electronics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Modern Insulators LTDmoderninsulators.comHQ: Abu Road, IndiaReported employees: 1,001-5,000 | Abu Road, India | 1,001-5,000 | Exact match | 263 contacts → |
“Modern Insulators ltd is India’s largest manufacturer and exporter of equipment porcelain insulators, working closely with OEMs, Indian Railways, National and Regional Utilities…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pt. Trafoindo Prima Perkasatrafoindonesia.comHQ: Central Jakarta, IndonesiaReported employees: 501-1,000 | Central Jakarta, Indonesia | 501-1,000 | Exact match | 258 contacts → |
“PT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sediversediver.comHQ: Courbevoie, QC, FranceReported employees: 501-1,000 | Courbevoie, QC, France | 501-1,000 | Exact match | 233 contacts → |
“For 75 years Sediver has specialized in overhead line insulation technology - research, design, manufacturing, testing and supply of insulators for AC and DC applications designed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,326 company matches
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Transformer insulation manufacturers: dataset insights
November 6, 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
2,283 records in the displayed employee bands.
43 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 2,326 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 6, 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 ↗
Transformer insulation manufacturers by location
12 lists · largest firstEvery Transformer insulation manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Transformer insulation manufacturers based in India661
- Transformer insulation manufacturers based in the United States183
- Transformer insulation manufacturers based in Italy114
- Transformer insulation manufacturers based in Türkiye103
- Transformer insulation manufacturers based in Brazil99
- Transformer insulation manufacturers based in the United Kingdom53
- Transformer insulation manufacturers based in Germany52
- Transformer insulation manufacturers based in Canada40
- Transformer insulation manufacturers based in Spain34
- Transformer insulation manufacturers based in France25
Cities
Questions about this company list
What does Exact match mean for transformer insulation 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 transformer insulation manufacturers did RevenueBase find worldwide?
The saved snapshot records 2,326 matching company records, 43,020 tracked contacts and 8,229 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 6, 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 transformer insulation manufacturers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/transformer-insulation-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 transformer insulation manufacturers worldwide
RevenueBase records 2,326 matching company records for transformer insulation manufacturers worldwide, with 43,020 tracked contacts and 8,229 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 6, 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 transformer insulation 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 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pfistererpfisterer.com HQ: Winterbach, FranceReported employees: 1,001-5,000 | Winterbach, France | 1,001-5,000 | Exact match | 606 contacts → |
“PFISTERER is a globally leading and independent technology company with head offices in Winterbach near Stuttgart, Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Distribution Internationaldistributioninternational.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 517 contacts → |
“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SPIspi-co.com HQ: Charlotte, CT, United StatesReported employees: 1,001-5,000 | Charlotte, CT, United States | 1,001-5,000 | Exact match | 502 contacts → |
“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | ENPAYenpay.com HQ: Basiskele, TürkiyeReported employees: 1,001-5,000 | Basiskele, Türkiye | 1,001-5,000 | Exact match | 460 contacts → |
“ENPAY is the Pace-Setter of Transformer Industry serving to its customers from its 4 Plants Worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | VON Rollelantas.com HQ: Wesel, GermanyReported employees: 1,001-5,000 | Wesel, Germany | 1,001-5,000 | Exact match | 419 contacts → |
“Please note that this account is no longer being actively managed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PT Bambang Djajabambangdjaja.com HQ: Gununganyar, IndonesiaReported employees: 501-1,000 | Gununganyar, Indonesia | 501-1,000 | Exact match | 410 contacts → |
“PT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | UTECutec.com.sa HQ: Riyadh, Saudi ArabiaReported employees: 1,001-5,000 | Riyadh, Saudi Arabia | 1,001-5,000 | Exact match | 407 contacts → |
“Since 2001, UTEC has been Saudi Arabia's trusted partner for power transformers, substations, switchgear, and mission-critical electrical solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | RHONArhona.cl HQ: Viña Del Mar, ChileReported employees: 501-1,000 | Viña Del Mar, Chile | 501-1,000 | Exact match | 394 contacts → |
“RHONA nace de la unión de dos empresas de ingeniería, cuyos inicios se remontan a 1943.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sgb-Smit Groupsgb-smit.com HQ: Regensburg, OH, GermanyReported employees: 1,001-5,000 | Regensburg, OH, Germany | 1,001-5,000 | Exact match | 324 contacts → |
“Welcome to the SGB-SMIT Group, the pure-play transformer specialist from Europe with the highest customer dedication.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Eltaş Transformatör A.Şeltas.com.tr HQ: TürkiyeReported employees: 501-1,000 | Türkiye | 501-1,000 | Exact match | 303 contacts → |
“We are proud to announce that in this year, our new production facility equipped with the best, modern machines and equipment at m² open area, was started the production with…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wilson Transformer Companywtc.com.au HQ: Glen Waverley, AustraliaReported employees: 501-1,000 | Glen Waverley, Australia | 501-1,000 | Exact match | 295 contacts → |
“THE TRANSFORMER SOLUTION SPECIALIST Established in 1933 with a proud history, Wilson Transformer Company is a leading specialist in the delivery of transformer solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | KRYFSkryfs.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 288 contacts → |
“Transforming Energy for a Sustainable Tomorrow | KRYFS Power Components Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Isovolta Groupisovolta.com HQ: Wiener Neudorf, PA, MexicoReported employees: 1,001-5,000 | Wiener Neudorf, PA, Mexico | 1,001-5,000 | Exact match | 287 contacts → |
“ISOVOLTA Group is a leading international manufacturer of electrical insulating materials, technical laminates and composites and maintains a global presence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Trael Transformadores Elétricos Ltdatrael.com.br HQ: Cuiabá, BrazilReported employees: 1,001-5,000 | Cuiabá, Brazil | 1,001-5,000 | Exact match | 274 contacts → |
“A TRAEL iniciou suas atividades em 1992 com a fabricação de transformadores de distribuição, força e especiais.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | JFE Shoji Power Canada INCjfeshojipower.com HQ: Burlington, ON, CanadaReported employees: 501-1,000 | Burlington, ON, Canada | 501-1,000 | Exact match | 272 contacts → |
“JFE Shoji Power Canada is an electrical steel products manufacturer located in Burlington, Ontario.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Telawne Power Equipments PVT LTDtelawne.com HQ: Navi Mumbai, IndiaReported employees: 201-500 | Navi Mumbai, India | 201-500 | Exact match | 265 contacts → |
“We are a leading manufacturer of power transformers and other electronics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Modern Insulators LTDmoderninsulators.com HQ: Abu Road, IndiaReported employees: 1,001-5,000 | Abu Road, India | 1,001-5,000 | Exact match | 263 contacts → |
“Modern Insulators ltd is India’s largest manufacturer and exporter of equipment porcelain insulators, working closely with OEMs, Indian Railways, National and Regional Utilities…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pt. Trafoindo Prima Perkasatrafoindonesia.com HQ: Central Jakarta, IndonesiaReported employees: 501-1,000 | Central Jakarta, Indonesia | 501-1,000 | Exact match | 258 contacts → |
“PT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sediversediver.com HQ: Courbevoie, QC, FranceReported employees: 501-1,000 | Courbevoie, QC, France | 501-1,000 | Exact match | 233 contacts → |
“For 75 years Sediver has specialized in overhead line insulation technology - research, design, manufacturing, testing and supply of insulators for AC and DC applications designed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Transformer insulation manufacturers: dataset insights
November 6, 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
2,283 records in the displayed employee bands.
43 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 2,326 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 6, 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 ↗
Transformer insulation manufacturers by location
12 lists · largest firstEvery Transformer insulation manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Transformer insulation manufacturers based in India661
- Transformer insulation manufacturers based in the United States183
- Transformer insulation manufacturers based in Italy114
- Transformer insulation manufacturers based in Türkiye103
- Transformer insulation manufacturers based in Brazil99
- Transformer insulation manufacturers based in the United Kingdom53
- Transformer insulation manufacturers based in Germany52
- Transformer insulation manufacturers based in Canada40
- Transformer insulation manufacturers based in Spain34
- Transformer insulation manufacturers based in France25
Cities
Questions about this company list
What does Exact match mean for transformer insulation 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 transformer insulation manufacturers did RevenueBase find worldwide?
The saved snapshot records 2,326 matching company records, 43,020 tracked contacts and 8,229 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 6, 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 transformer insulation manufacturers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/transformer-insulation-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗