Company lists · Data refreshed October 2026
Top 25 High vacuum insulators suppliers worldwide
RevenueBase identified 259 company matches for high vacuum insulators suppliers worldwide as of October 2026 and tracks 3,367 professional contacts across them, including 625 with verified work emails. Hyderabad is the largest hub.
This list covers company matches for high vacuum insulators 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 26, 2026.
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 high vacuum insulators suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 412 contacts → | ||||
Exact match “Please note that this account is no longer being actively managed.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 2 | 234 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 3 | 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 26, 2026 · View company records in RevenueBase | |||||
| 4 | 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 26, 2026 · View company records in RevenueBase | |||||
| 5 | 107 contacts → | ||||
Exact match “Germer é resultado de contínuos investimentos em modernização tecnológica, pesquisas e treinamentos ao longo de mais de 40 anos de existência.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 6 | 94 contacts → | ||||
Exact match “Manufacturers of Ceramic Porcelain High Voltage Electrical Insulators” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 7 | 67 contacts → | ||||
Exact match “The Insulcon Group is a leading international manufacturer and supplier of high-temperature and energy-saving solutions for the thermal process industry.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 8 | 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 26, 2026 · View company records in RevenueBase | |||||
| 9 | 58 contacts → | ||||
Exact match “Cerisol offers the most comprehensive range of porcelain post insulators up to highest AC and DC system voltages with the most progressive technology, engineering, and lifetime.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 10 | 50 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “Poinsa, a company founded in 1978, a benchmark among the main European manufacturers of electroceramic and polymeric insulators.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 12 | 43 contacts → | ||||
Exact match “Insulator And Electrical Company Manufacturer of 800 kva insulator, insulator & utrla high power insulator in Bhopal, Madhya Pradesh.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 13 | 42 contacts → | ||||
Exact match “Insulation Technology Group is an international firm operating in the energy industry, manufacturing advanced HV porcelain insulators serving customer requirements across the…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 14 | 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 26, 2026 · View company records in RevenueBase | |||||
| 15 | 35 contacts → | ||||
Exact match “Gerome Technologies Inc.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 16 | 33 contacts → | ||||
Exact match “CJI PORCELAIN is a manufacturer, supplier and exporter of electrical insulators in India.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 17 | 25 contacts → | ||||
Exact match “UMANG BOARDS, is the one of the India`s leading technology companies established in 2001, Umang Boards successfully developed manufacturing of most competitive and advanced…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “Vanguard Electric LLC: A Southern States Company is a company based out of Morrow, Georgia, United States.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 19 | 23 contacts → | ||||
Exact match “ISOTEC established in 2008 has over 100 years combined technical experience in electrical insulation materials.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 20 | 23 contacts → | ||||
Exact match “Somos una empresa familiar que, con más de 60 años de historia, mantiene los mismos valores que la vieron nacer: Tradición, Personalización, Equipo Humano y Calidad.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 21 | 20 contacts → | ||||
Exact match “NGK-LOCKE, based in Virginia Beach, USA, manufactures and sells polymer and porcelain insulators.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 22 | 20 contacts → | ||||
Exact match “KUVAG - Leading in Insulation Technology” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “Leading Epoxy Insulator Manufacturer - Known and reliable Partner of the Electrotechnical Industry.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 24 | 18 contacts → | ||||
Exact match “Concept Group is a leading manufacturer of specialized vacuum insulation based on our proprietary Insulon Technology.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “Guerzoni srl has been producing and marketing electrical insulators for transformers, electric motors and generators for over 30 years.” Recorded in the RevenueBase company graph · Oct 26, 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 “high vacuum insulators 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 259 high vacuum insulators suppliers worldwide
See the full list, filter by size, metro and specialty, and access 625 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High vacuum insulators suppliers worldwide at a glance
As of Oct 26, 2026Companies by employee count
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 259 companies.
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.
- What qualifies
- Company records worldwide whose business descriptions match “high vacuum insulators 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 625 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 26, 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.
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 “high vacuum insulators suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high vacuum insulators suppliers are there worldwide?
RevenueBase identified 259 company matches for high vacuum insulators 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?
VON Roll tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most high vacuum insulators suppliers?
Hyderabad leads with 5 company records, followed by Dalian (3) and Delhi (3).
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 625 professional contacts with verified work emails tracked across these 259 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 26, 2026.
Ready to reach these companies? Verified emails and direct dials for all 259 high vacuum insulators 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.
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Company intelligence · public preview
Top 25 high vacuum insulators 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 259 matching company records for high vacuum insulators suppliers worldwide, with 3,367 tracked contacts and 625 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 26, 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 high vacuum insulators 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 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sediversediver.com HQ: Courbevoie, FranceReported employees: 501-1,000 | Courbevoie, France | 501-1,000 | Exact match | 234 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Porcelanas Industriais Germer S.Agermerisoladores.com.br HQ: Timbó, BrazilReported employees: 201-500 | Timbó, Brazil | 201-500 | Exact match | 107 contacts → |
“Germer é resultado de contínuos investimentos em modernização tecnológica, pesquisas e treinamentos ao longo de mais de 40 anos de existência.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Saravana Global Energy Limitedadityabirlainsulators.com HQ: IndiaReported employees: 1,001-5,000 | India | 1,001-5,000 | Exact match | 94 contacts → |
“Manufacturers of Ceramic Porcelain High Voltage Electrical Insulators” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Insulcon B.V.insulcon.com HQ: Steenbergen (nb), NetherlandsReported employees: 51-200 | Steenbergen (nb), Netherlands | 51-200 | Exact match | 67 contacts → |
“The Insulcon Group is a leading international manufacturer and supplier of high-temperature and energy-saving solutions for the thermal process industry.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cerisol, Isoladores Cerâmicos, S.Acerisol.com HQ: Vila Nova De Gaia, PortugalReported employees: 51-200 | Vila Nova De Gaia, Portugal | 51-200 | Exact match | 58 contacts → |
“Cerisol offers the most comprehensive range of porcelain post insulators up to highest AC and DC system voltages with the most progressive technology, engineering, and lifetime.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | HQ: Massamagrell, SpainReported employees: 51-200 | Massamagrell, Spain | 51-200 | Exact match | 45 contacts → |
“Poinsa, a company founded in 1978, a benchmark among the main European manufacturers of electroceramic and polymeric insulators.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Insulator And Electrical Companyindiamart.com HQ: Bhopal, IndiaReported employees: 51-200 | Bhopal, India | 51-200 | Exact match | 43 contacts → |
“Insulator And Electrical Company Manufacturer of 800 kva insulator, insulator & utrla high power insulator in Bhopal, Madhya Pradesh.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Insulation Technology Groupinsulationtg.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 42 contacts → |
“Insulation Technology Group is an international firm operating in the energy industry, manufacturing advanced HV porcelain insulators serving customer requirements across the…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CJI Porcelain PVT LTDhvinsulators.com HQ: Delhi, IndiaReported employees: 1,001-5,000 | Delhi, India | 1,001-5,000 | Exact match | 33 contacts → |
“CJI PORCELAIN is a manufacturer, supplier and exporter of electrical insulators in India.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Umang Boards Limitedumangboards.com HQ: Jaipur, IndiaReported employees: 201-500 | Jaipur, India | 201-500 | Exact match | 25 contacts → |
“UMANG BOARDS, is the one of the India`s leading technology companies established in 2001, Umang Boards successfully developed manufacturing of most competitive and advanced…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vanguard Electric LLCvanguardelec.com HQ: Morrow, GA, United StatesReported employees: 11-50 | Morrow, GA, United States | 11-50 | Exact match | 24 contacts → |
“Vanguard Electric LLC: A Southern States Company is a company based out of Morrow, Georgia, United States.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Isotecisotec.co.za HQ: Alberton, South AfricaReported employees: 51-200 | Alberton, South Africa | 51-200 | Exact match | 23 contacts → |
“ISOTEC established in 2008 has over 100 years combined technical experience in electrical insulation materials.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Royal Diamondroyal-insulation.com HQ: Dosrius, SpainReported employees: 51-200 | Dosrius, Spain | 51-200 | Exact match | 23 contacts → |
“Somos una empresa familiar que, con más de 60 años de historia, mantiene los mismos valores que la vieron nacer: Tradición, Personalización, Equipo Humano y Calidad.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ngk-Locke, INCngk-locke.com HQ: Virginia Beach, VA, United StatesReported employees: 51-200 | Virginia Beach, VA, United States | 51-200 | Exact match | 20 contacts → |
“NGK-LOCKE, based in Virginia Beach, USA, manufactures and sells polymer and porcelain insulators.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kuvag Isola Composites Gmbhkuvag.com HQ: Düren, GermanyReported employees: 51-200 | Düren, Germany | 51-200 | Exact match | 20 contacts → |
“KUVAG - Leading in Insulation Technology” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Gipro Insulators And Bushingsgipro.com HQ: Peggau, AustriaReported employees: 51-200 | Peggau, Austria | 51-200 | Exact match | 19 contacts → |
“Leading Epoxy Insulator Manufacturer - Known and reliable Partner of the Electrotechnical Industry.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Concept Group LLCconceptgroupllc.com HQ: Palm Beach Gardens, FL, United StatesReported employees: 51-200 | Palm Beach Gardens, FL, United States | 51-200 | Exact match | 18 contacts → |
“Concept Group is a leading manufacturer of specialized vacuum insulation based on our proprietary Insulon Technology.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Guerzoni Insulation Materialsguerzonisrl.it HQ: Vailate, ItalyReported employees: 11-50 | Vailate, Italy | 11-50 | Exact match | 18 contacts → |
“Guerzoni srl has been producing and marketing electrical insulators for transformers, electric motors and generators for over 30 years.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 259 company matches
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High vacuum insulators suppliers: dataset insights
October 26, 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
258 records in the displayed employee bands.
1 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 259 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 26, 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 ↗
Questions about this company list
What does Exact match mean for high vacuum insulators 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 high vacuum insulators suppliers did RevenueBase find worldwide?
The saved snapshot records 259 matching company records, 3,367 tracked contacts and 625 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 26, 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 high vacuum insulators suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/high-vacuum-insulators-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- New lists
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Company intelligence · public preview
Top 25 high vacuum insulators suppliers worldwide
RevenueBase records 259 matching company records for high vacuum insulators suppliers worldwide, with 3,367 tracked contacts and 625 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 26, 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 high vacuum insulators 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 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sediversediver.com HQ: Courbevoie, FranceReported employees: 501-1,000 | Courbevoie, France | 501-1,000 | Exact match | 234 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Porcelanas Industriais Germer S.Agermerisoladores.com.br HQ: Timbó, BrazilReported employees: 201-500 | Timbó, Brazil | 201-500 | Exact match | 107 contacts → |
“Germer é resultado de contínuos investimentos em modernização tecnológica, pesquisas e treinamentos ao longo de mais de 40 anos de existência.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Saravana Global Energy Limitedadityabirlainsulators.com HQ: IndiaReported employees: 1,001-5,000 | India | 1,001-5,000 | Exact match | 94 contacts → |
“Manufacturers of Ceramic Porcelain High Voltage Electrical Insulators” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Insulcon B.V.insulcon.com HQ: Steenbergen (nb), NetherlandsReported employees: 51-200 | Steenbergen (nb), Netherlands | 51-200 | Exact match | 67 contacts → |
“The Insulcon Group is a leading international manufacturer and supplier of high-temperature and energy-saving solutions for the thermal process industry.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cerisol, Isoladores Cerâmicos, S.Acerisol.com HQ: Vila Nova De Gaia, PortugalReported employees: 51-200 | Vila Nova De Gaia, Portugal | 51-200 | Exact match | 58 contacts → |
“Cerisol offers the most comprehensive range of porcelain post insulators up to highest AC and DC system voltages with the most progressive technology, engineering, and lifetime.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | HQ: Massamagrell, SpainReported employees: 51-200 | Massamagrell, Spain | 51-200 | Exact match | 45 contacts → |
“Poinsa, a company founded in 1978, a benchmark among the main European manufacturers of electroceramic and polymeric insulators.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Insulator And Electrical Companyindiamart.com HQ: Bhopal, IndiaReported employees: 51-200 | Bhopal, India | 51-200 | Exact match | 43 contacts → |
“Insulator And Electrical Company Manufacturer of 800 kva insulator, insulator & utrla high power insulator in Bhopal, Madhya Pradesh.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Insulation Technology Groupinsulationtg.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 42 contacts → |
“Insulation Technology Group is an international firm operating in the energy industry, manufacturing advanced HV porcelain insulators serving customer requirements across the…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CJI Porcelain PVT LTDhvinsulators.com HQ: Delhi, IndiaReported employees: 1,001-5,000 | Delhi, India | 1,001-5,000 | Exact match | 33 contacts → |
“CJI PORCELAIN is a manufacturer, supplier and exporter of electrical insulators in India.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Umang Boards Limitedumangboards.com HQ: Jaipur, IndiaReported employees: 201-500 | Jaipur, India | 201-500 | Exact match | 25 contacts → |
“UMANG BOARDS, is the one of the India`s leading technology companies established in 2001, Umang Boards successfully developed manufacturing of most competitive and advanced…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vanguard Electric LLCvanguardelec.com HQ: Morrow, GA, United StatesReported employees: 11-50 | Morrow, GA, United States | 11-50 | Exact match | 24 contacts → |
“Vanguard Electric LLC: A Southern States Company is a company based out of Morrow, Georgia, United States.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Isotecisotec.co.za HQ: Alberton, South AfricaReported employees: 51-200 | Alberton, South Africa | 51-200 | Exact match | 23 contacts → |
“ISOTEC established in 2008 has over 100 years combined technical experience in electrical insulation materials.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Royal Diamondroyal-insulation.com HQ: Dosrius, SpainReported employees: 51-200 | Dosrius, Spain | 51-200 | Exact match | 23 contacts → |
“Somos una empresa familiar que, con más de 60 años de historia, mantiene los mismos valores que la vieron nacer: Tradición, Personalización, Equipo Humano y Calidad.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ngk-Locke, INCngk-locke.com HQ: Virginia Beach, VA, United StatesReported employees: 51-200 | Virginia Beach, VA, United States | 51-200 | Exact match | 20 contacts → |
“NGK-LOCKE, based in Virginia Beach, USA, manufactures and sells polymer and porcelain insulators.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kuvag Isola Composites Gmbhkuvag.com HQ: Düren, GermanyReported employees: 51-200 | Düren, Germany | 51-200 | Exact match | 20 contacts → |
“KUVAG - Leading in Insulation Technology” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Gipro Insulators And Bushingsgipro.com HQ: Peggau, AustriaReported employees: 51-200 | Peggau, Austria | 51-200 | Exact match | 19 contacts → |
“Leading Epoxy Insulator Manufacturer - Known and reliable Partner of the Electrotechnical Industry.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Concept Group LLCconceptgroupllc.com HQ: Palm Beach Gardens, FL, United StatesReported employees: 51-200 | Palm Beach Gardens, FL, United States | 51-200 | Exact match | 18 contacts → |
“Concept Group is a leading manufacturer of specialized vacuum insulation based on our proprietary Insulon Technology.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Guerzoni Insulation Materialsguerzonisrl.it HQ: Vailate, ItalyReported employees: 11-50 | Vailate, Italy | 11-50 | Exact match | 18 contacts → |
“Guerzoni srl has been producing and marketing electrical insulators for transformers, electric motors and generators for over 30 years.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 259 company matches
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High vacuum insulators suppliers: dataset insights
October 26, 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
258 records in the displayed employee bands.
1 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 259 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 26, 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 ↗
Questions about this company list
What does Exact match mean for high vacuum insulators 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 high vacuum insulators suppliers did RevenueBase find worldwide?
The saved snapshot records 259 matching company records, 3,367 tracked contacts and 625 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 26, 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 high vacuum insulators suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/high-vacuum-insulators-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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