Company lists · Data refreshed October 2026
Top 25 Insulating oils suppliers worldwide
RevenueBase identified 546 company matches for insulating oils suppliers worldwide as of October 2026 and tracks 6,493 professional contacts across them, including 1,059 with verified work emails. India is the largest market and Delhi the largest hub.
This list covers company matches for insulating oils suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 27, 2026. Country and city lists for insulating oils suppliers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest insulating oils suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 460 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 · Oct 27, 2026 · View company records in RevenueBase | |||||
| 2 | 412 contacts → | ||||
Exact match “Please note that this account is no longer being actively managed.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 3 | 163 contacts → | ||||
Exact match “Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 4 | 146 contacts → | ||||
Exact match “ISOLET is a company based out of Rod.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 5 | 144 contacts → | ||||
Exact match “Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 6 | 142 contacts → | ||||
Exact match “ALCE Elektrik is a global provider in energy sector with solutions for measurement and insulation devices.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 7 | 140 contacts → | ||||
Exact match “TAMCO Switchgear was incorporated in 1966 and now being a value brand of Schneider Electric group since September 2020.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 8 | 107 contacts → | ||||
Exact match “The core competence of SynFlex lies in the development, manufacturing and distribution of conducting and insulating products for the electrical insulation systems of electrical…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 9 | 105 contacts → | ||||
Exact match “Grosvenor Power Services Limited: The installation, maintenance, modification and repair of high voltage electrical power systems and associated equipment.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 10 | 100 contacts → | ||||
Exact match “Sediver is the world's leading manufacturer in two niche markets: electric insulation for power generation, transport and distribution.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 11 | 79 contacts → | ||||
Exact match “Founded in 1982, CANDUCT INDUSTRIES is a leading manufacturer Electrical Insulation, primarily used for cooling for oil cooled transformers.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 12 | 60 contacts → | ||||
Exact match “ABOUT PPC INSULATORS PPC INSULATORS has over one hundred years of experience and is one of the world's leading manufacturer and supplier of state-of-the-art electrical porcelain…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 13 | 53 contacts → | ||||
Exact match “STARK International is an industry leader in providing oil services for transformers, hydraulic and lubrication oils.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 14 | 51 contacts → | ||||
Exact match “TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 16 | 49 contacts → | ||||
Exact match “Electrical Insulation for rotating and static machines.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 17 | 43 contacts → | ||||
Exact match “Fundada em 01/07/1997, a Brastrafo do Brasil é uma empresa nacional que nasceu com o propósito de atender o setor elétrico, em todos os seus segmentos (geração, transmissão…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 18 | 36 contacts → | ||||
Exact match “T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 19 | 36 contacts → | ||||
Exact match “Empresa fundada em 2004, a ISOLETRI converte materiais isolantes a base de celulose para isolação de transformadores, reatores e equipamentos elétricos para baixa, média e alta…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 20 | 35 contacts → | ||||
Exact match “Gerome Technologies Inc.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 21 | 34 contacts → | ||||
Exact match “NeoInsulation: Engineering superior insulation solutions with innovative applications for today's energy infrastructure.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 22 | 33 contacts → | ||||
Exact match “Grande experiência na comercialização de material elétrico, a oferta da RODEL cobre todo o leque de necessidade dos profissionais no sector.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 23 | 31 contacts → | ||||
Exact match “A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 24 | 29 contacts → | ||||
Exact match “Empresa dedicada al mantenimiento de transformadores, subestaciones de potencia, interruptores, con experiencia en tratamiento y regeneración al aceite dieléctrico en Caliente en…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase | |||||
| 25 | 27 contacts → | ||||
Exact match “TRASER Transformer Service Electromechanical Maintenance San.” Recorded in the RevenueBase company graph · Oct 27, 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 “insulating oils suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 546 insulating oils suppliers worldwide
See the full list, filter by size, metro and specialty, and access 1,059 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Insulating oils suppliers worldwide at a glance
As of Oct 27, 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 insulating oils suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “insulating oils suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,059 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 October 27, 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.
Insulating oils suppliers by location
3 lists · largest firstEvery Insulating oils suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “insulating oils suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many insulating oils suppliers are there worldwide?
RevenueBase identified 546 company matches for insulating oils suppliers worldwide as of October 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?
Voltamp Transformers Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most insulating oils suppliers?
India leads with 114 companies, followed by Brazil (51) and the United States (50). Every insulating oils suppliers list by country and city is linked on this page.
Which city has the most insulating oils suppliers?
Delhi leads with 11 company records, followed by Mumbai (9) and Vadodara (8).
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 1,059 professional contacts with verified work emails tracked across these 546 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 October 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 546 insulating oils suppliers 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 insulating oils suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 546 matching company records for insulating oils suppliers worldwide, with 6,493 tracked contacts and 1,059 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: October 27, 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 insulating oils suppliers 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 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 460 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 · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | VON Rollelantas.com HQ: Wesel, GermanyReported employees: 1,001-5,000 | Wesel, Germany | 1,001-5,000 | Exact match | 412 contacts → |
“Please note that this account is no longer being actively managed.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Solomon Corporationsolomoncorp.com HQ: Solomon, KS, United StatesReported employees: 501-1,000 | Solomon, KS, United States | 501-1,000 | Exact match | 163 contacts → |
“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Isoletisolet.com.br HQ: Itu, BrazilReported employees: 201-500 | Itu, Brazil | 201-500 | Exact match | 146 contacts → |
“ISOLET is a company based out of Rod.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Emerald Transformeremeraldtransformer.com HQ: Mckinney, TX, United StatesReported employees: 201-500 | Mckinney, TX, United States | 201-500 | Exact match | 144 contacts → |
“Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Alce Elektrik San. VE Tic. A.Şalce-elektrik.com.trHQ: Istanbul, TürkiyeReported employees: 501-1,000 | Istanbul, Türkiye | 501-1,000 | Exact match | 142 contacts → |
“ALCE Elektrik is a global provider in energy sector with solutions for measurement and insulation devices.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tamco Switchgeartamco.com.my HQ: Shah Alam, MalaysiaReported employees: 501-1,000 | Shah Alam, Malaysia | 501-1,000 | Exact match | 140 contacts → |
“TAMCO Switchgear was incorporated in 1966 and now being a value brand of Schneider Electric group since September 2020.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Synflex Elektro Gmbhsynflex.com HQ: Blomberg, GermanyReported employees: 201-500 | Blomberg, Germany | 201-500 | Exact match | 107 contacts → |
“The core competence of SynFlex lies in the development, manufacturing and distribution of conducting and insulating products for the electrical insulation systems of electrical…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grosvenor Power Servicesgrosvenorpower.co.uk HQ: United KingdomReported employees: 201-500 | United Kingdom | 201-500 | Exact match | 105 contacts → |
“Grosvenor Power Services Limited: The installation, maintenance, modification and repair of high voltage electrical power systems and associated equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SEVESsediver.com HQ: LuxembourgReported employees: 1,001-5,000 | Luxembourg | 1,001-5,000 | Exact match | 100 contacts → |
“Sediver is the world's leading manufacturer in two niche markets: electric insulation for power generation, transport and distribution.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Canduct Industries Limitedcanduct.com HQ: London, ON, CanadaReported employees: 51-200 | London, ON, Canada | 51-200 | Exact match | 79 contacts → |
“Founded in 1982, CANDUCT INDUSTRIES is a leading manufacturer Electrical Insulation, primarily used for cooling for oil cooled transformers.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PPC Insulatorsppcinsulators.com HQ: Vienna, AustriaReported employees: 1,001-5,000 | Vienna, Austria | 1,001-5,000 | Exact match | 60 contacts → |
“ABOUT PPC INSULATORS PPC INSULATORS has over one hundred years of experience and is one of the world's leading manufacturer and supplier of state-of-the-art electrical porcelain…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Stark Internationalstarkoil.com HQ: New Glasgow, NS, CanadaReported employees: 51-200 | New Glasgow, NS, Canada | 51-200 | Exact match | 53 contacts → |
“STARK International is an industry leader in providing oil services for transformers, hydraulic and lubrication oils.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TJ H2b Analytical Servicestjh2b.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 51 contacts → |
“TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Faet S.R.Lfaet.it HQ: Rozzano, ItalyReported employees: 51-200 | Rozzano, Italy | 51-200 | Exact match | 50 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Beico Industries Pvt. LTDbeico.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 49 contacts → |
“Electrical Insulation for rotating and static machines.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Brastrafo DO Brasil Ltdabrastrafo.com.br HQ: Monte Mor, BrazilReported employees: 51-200 | Monte Mor, Brazil | 51-200 | Exact match | 43 contacts → |
“Fundada em 01/07/1997, a Brastrafo do Brasil é uma empresa nacional que nasceu com o propósito de atender o setor elétrico, em todos os seus segmentos (geração, transmissão…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 36 contacts → |
“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Isoletriisoletri.com HQ: Itupeva, BrazilReported employees: 51-200 | Itupeva, Brazil | 51-200 | Exact match | 36 contacts → |
“Empresa fundada em 2004, a ISOLETRI converte materiais isolantes a base de celulose para isolação de transformadores, reatores e equipamentos elétricos para baixa, média e alta…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gerome Technologiesgerometech.com HQ: Menands, NY, United StatesReported employees: 51-200 | Menands, NY, United States | 51-200 | Exact match | 35 contacts → |
“Gerome Technologies Inc.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Neoinsulationneoinsulation.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 34 contacts → |
“NeoInsulation: Engineering superior insulation solutions with innovative applications for today's energy infrastructure.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | RODELrodel.pt HQ: Braga, PortugalReported employees: 11-50 | Braga, Portugal | 11-50 | Exact match | 33 contacts → |
“Grande experiência na comercialização de material elétrico, a oferta da RODEL cobre todo o leque de necessidade dos profissionais no sector.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Trafocare Ltdatrafocare.com.br HQ: Campinas, BrazilReported employees: 11-50 | Campinas, Brazil | 11-50 | Exact match | 31 contacts → |
“A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Trafoil SAStrafoil.com HQ: Barranquilla, ColombiaReported employees: 51-200 | Barranquilla, Colombia | 51-200 | Exact match | 29 contacts → |
“Empresa dedicada al mantenimiento de transformadores, subestaciones de potencia, interruptores, con experiencia en tratamiento y regeneración al aceite dieléctrico en Caliente en…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Traser Electromechanical Servicestraser.com.tr HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 27 contacts → |
“TRASER Transformer Service Electromechanical Maintenance San.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 546 company matches
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Insulating oils suppliers: dataset insights
October 27, 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
543 records in the displayed employee bands.
3 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 546 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: October 27, 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 ↗
Insulating oils suppliers by location
3 lists · largest firstEvery Insulating oils suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for insulating oils suppliers?
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 insulating oils suppliers did RevenueBase find worldwide?
The saved snapshot records 546 matching company records, 6,493 tracked contacts and 1,059 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: October 27, 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.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 insulating oils suppliers worldwide. Snapshot: October 27, 2026. https://revenuebase.ai/companies/browse/insulating-oils-suppliers.
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 insulating oils suppliers worldwide
RevenueBase records 546 matching company records for insulating oils suppliers worldwide, with 6,493 tracked contacts and 1,059 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: October 27, 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 insulating oils suppliers 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 | Voltamp Transformers Limitedvoltamptransformers.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 460 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 · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | VON Rollelantas.com HQ: Wesel, GermanyReported employees: 1,001-5,000 | Wesel, Germany | 1,001-5,000 | Exact match | 412 contacts → |
“Please note that this account is no longer being actively managed.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Solomon Corporationsolomoncorp.com HQ: Solomon, KS, United StatesReported employees: 501-1,000 | Solomon, KS, United States | 501-1,000 | Exact match | 163 contacts → |
“Solomon Corporation buys, sells, repairs, recycles, and disposes of transformers, regulators and reclosers.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Isoletisolet.com.br HQ: Itu, BrazilReported employees: 201-500 | Itu, Brazil | 201-500 | Exact match | 146 contacts → |
“ISOLET is a company based out of Rod.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Emerald Transformeremeraldtransformer.com HQ: Mckinney, TX, United StatesReported employees: 201-500 | Mckinney, TX, United States | 201-500 | Exact match | 144 contacts → |
“Emerald Transformer is the premier national single-source solution for oil-filled electrical equipment with services including repair, re-manufacturing, field technical services…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Alce Elektrik San. VE Tic. A.Şalce-elektrik.com.tr HQ: Istanbul, TürkiyeReported employees: 501-1,000 | Istanbul, Türkiye | 501-1,000 | Exact match | 142 contacts → |
“ALCE Elektrik is a global provider in energy sector with solutions for measurement and insulation devices.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tamco Switchgeartamco.com.my HQ: Shah Alam, MalaysiaReported employees: 501-1,000 | Shah Alam, Malaysia | 501-1,000 | Exact match | 140 contacts → |
“TAMCO Switchgear was incorporated in 1966 and now being a value brand of Schneider Electric group since September 2020.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Synflex Elektro Gmbhsynflex.com HQ: Blomberg, GermanyReported employees: 201-500 | Blomberg, Germany | 201-500 | Exact match | 107 contacts → |
“The core competence of SynFlex lies in the development, manufacturing and distribution of conducting and insulating products for the electrical insulation systems of electrical…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grosvenor Power Servicesgrosvenorpower.co.uk HQ: United KingdomReported employees: 201-500 | United Kingdom | 201-500 | Exact match | 105 contacts → |
“Grosvenor Power Services Limited: The installation, maintenance, modification and repair of high voltage electrical power systems and associated equipment.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SEVESsediver.com HQ: LuxembourgReported employees: 1,001-5,000 | Luxembourg | 1,001-5,000 | Exact match | 100 contacts → |
“Sediver is the world's leading manufacturer in two niche markets: electric insulation for power generation, transport and distribution.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Canduct Industries Limitedcanduct.com HQ: London, ON, CanadaReported employees: 51-200 | London, ON, Canada | 51-200 | Exact match | 79 contacts → |
“Founded in 1982, CANDUCT INDUSTRIES is a leading manufacturer Electrical Insulation, primarily used for cooling for oil cooled transformers.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PPC Insulatorsppcinsulators.com HQ: Vienna, AustriaReported employees: 1,001-5,000 | Vienna, Austria | 1,001-5,000 | Exact match | 60 contacts → |
“ABOUT PPC INSULATORS PPC INSULATORS has over one hundred years of experience and is one of the world's leading manufacturer and supplier of state-of-the-art electrical porcelain…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Stark Internationalstarkoil.com HQ: New Glasgow, NS, CanadaReported employees: 51-200 | New Glasgow, NS, Canada | 51-200 | Exact match | 53 contacts → |
“STARK International is an industry leader in providing oil services for transformers, hydraulic and lubrication oils.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TJ H2b Analytical Servicestjh2b.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 51 contacts → |
“TJ|H2b Analytical Services is a full service laboratory that offers analytical testing and diagnostic evaluation of oil and gas insulated electrical equipment at our global lab…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Faet S.R.Lfaet.it HQ: Rozzano, ItalyReported employees: 51-200 | Rozzano, Italy | 51-200 | Exact match | 50 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Beico Industries Pvt. LTDbeico.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 49 contacts → |
“Electrical Insulation for rotating and static machines.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Brastrafo DO Brasil Ltdabrastrafo.com.br HQ: Monte Mor, BrazilReported employees: 51-200 | Monte Mor, Brazil | 51-200 | Exact match | 43 contacts → |
“Fundada em 01/07/1997, a Brastrafo do Brasil é uma empresa nacional que nasceu com o propósito de atender o setor elétrico, em todos os seus segmentos (geração, transmissão…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | T & R Electric Supply Co., INCtrelectric.com HQ: Colman, SD, United StatesReported employees: 51-200 | Colman, SD, United States | 51-200 | Exact match | 36 contacts → |
“T&R Electric Supply Company buys, sells, rents, and repairs distribution and power class transformers, along with medium and high voltage switchgear.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Isoletriisoletri.com HQ: Itupeva, BrazilReported employees: 51-200 | Itupeva, Brazil | 51-200 | Exact match | 36 contacts → |
“Empresa fundada em 2004, a ISOLETRI converte materiais isolantes a base de celulose para isolação de transformadores, reatores e equipamentos elétricos para baixa, média e alta…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gerome Technologiesgerometech.com HQ: Menands, NY, United StatesReported employees: 51-200 | Menands, NY, United States | 51-200 | Exact match | 35 contacts → |
“Gerome Technologies Inc.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Neoinsulationneoinsulation.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 34 contacts → |
“NeoInsulation: Engineering superior insulation solutions with innovative applications for today's energy infrastructure.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | RODELrodel.pt HQ: Braga, PortugalReported employees: 11-50 | Braga, Portugal | 11-50 | Exact match | 33 contacts → |
“Grande experiência na comercialização de material elétrico, a oferta da RODEL cobre todo o leque de necessidade dos profissionais no sector.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Trafocare Ltdatrafocare.com.br HQ: Campinas, BrazilReported employees: 11-50 | Campinas, Brazil | 11-50 | Exact match | 31 contacts → |
“A Trafocare é uma empresa especializada na manutenção de transformadores e comércio de fluidos isolantes elétricos, investindo no que há de mais moderno e eficiente no mercado…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Trafoil SAStrafoil.com HQ: Barranquilla, ColombiaReported employees: 51-200 | Barranquilla, Colombia | 51-200 | Exact match | 29 contacts → |
“Empresa dedicada al mantenimiento de transformadores, subestaciones de potencia, interruptores, con experiencia en tratamiento y regeneración al aceite dieléctrico en Caliente en…” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Traser Electromechanical Servicestraser.com.tr HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 27 contacts → |
“TRASER Transformer Service Electromechanical Maintenance San.” Recorded description excerpt · October 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 546 company matches
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Insulating oils suppliers: dataset insights
October 27, 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
543 records in the displayed employee bands.
3 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 546 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: October 27, 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 ↗
Insulating oils suppliers by location
3 lists · largest firstEvery Insulating oils suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for insulating oils suppliers?
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 insulating oils suppliers did RevenueBase find worldwide?
The saved snapshot records 546 matching company records, 6,493 tracked contacts and 1,059 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: October 27, 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 insulating oils suppliers worldwide. Snapshot: October 27, 2026. https://revenuebase.ai/companies/browse/insulating-oils-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗