Company lists · Data refreshed November 2026

Top 25 Rubber insulators suppliers worldwide

RevenueBase identified 727 company matches for rubber insulators suppliers worldwide as of November 2026 and tracks 8,829 professional contacts across them, including 1,588 with verified work emails. India is the largest market and Mumbai the largest hub.

This list covers company matches for rubber 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 November 1, 2026. Country and city lists for rubber insulators suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 1, 2026 How this list was built
727Companies
8,829Contacts tracked
1,588Verified emails
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The 25 largest rubber insulators suppliers worldwide

Ranked by team size
Top 25 of 727 company matches for rubber insulators suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWinterbach, FranceHQ recorded Nov 1, 20261,001-5,000580 contacts →

Exact match

“PFISTERER is a globally leading and independent technology company with head offices in Winterbach near Stuttgart, Germany.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
2Exact matchWesel, GermanyHQ recorded Nov 1, 20261,001-5,000412 contacts →

Exact match

“Please note that this account is no longer being actively managed.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
3Exact matchWiener Neudorf, MexicoHQ recorded Nov 1, 20261,001-5,000280 contacts →

Exact match

“ISOVOLTA Group is a leading international manufacturer of electrical insulating materials, technical laminates and composites and maintains a global presence.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
4Exact matchCourbevoie, FranceHQ recorded Nov 1, 2026501-1,000234 contacts →

Exact match

“For 75 years Sediver has specialized in overhead line insulation technology - research, design, manufacturing, testing and supply of insulators for AC and DC applications designed…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Nov 1, 2026501-1,000142 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 · Nov 1, 2026 · View company records in RevenueBase
6Exact matchAjman, United Arab EmiratesHQ recorded Nov 1, 2026501-1,000127 contacts →

Exact match

“Rubber World Industry (RWI) leads the global insulation solutions sector, driving innovation and excellence in protection and client operations.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
7Exact matchBlomberg, GermanyHQ recorded Nov 1, 2026201-500107 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 · Nov 1, 2026 · View company records in RevenueBase
8Exact matchElgin, IL, United StatesHQ recorded Nov 1, 2026201-50085 contacts →

Exact match

“Ebco is a world class supplier of engineered rubber products for industrial applications.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchLondon, ON, CanadaHQ recorded Nov 1, 202651-20079 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchKolkata, IndiaHQ recorded Nov 1, 202611-5066 contacts →

Exact match

“Duratuf is an industrial safety solutions company helping manufacturers, utilities, and infrastructure operators work more safely, because earning a living should never cost a…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
11Exact matchVienna, AustriaHQ recorded Nov 1, 20261,001-5,00060 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 · Nov 1, 2026 · View company records in RevenueBase
12Exact matchSao Paulo, BrazilHQ recorded Nov 1, 2026201-50058 contacts →

Exact match

“A FERCOM é uma das maiores empresas do mercado de fabricação e distribuição de vedantes e isolação industrial do país.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
13Exact matchGurgaon, IndiaHQ recorded Nov 1, 202651-20055 contacts →

Exact match

“We are one-stop supplier for top-quality sealing and protective products, materials, and customized rubber and gasket products.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 1, 20261,001-5,00054 contacts →

Exact match

“A global leader in Electrical Connector Sealing (ECS) and Ignition Insulating, QSR offers a diverse portfolio of mission-critical elastomeric solutions designed to safeguard…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchHövelhof, GermanyHQ recorded Nov 1, 2026201-50052 contacts →

Exact match

“Always finding the best solution for the customer is the goal that drives innovative ideas and continuous improvement at Kaimann.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchRozzano, ItalyHQ recorded Nov 1, 202651-20050 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
17Exact matchMumbai, IndiaHQ recorded Nov 1, 202651-20049 contacts →

Exact match

“Electrical Insulation for rotating and static machines.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
18Exact matchMassamagrell, SpainHQ recorded Nov 1, 202651-20045 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 · Nov 1, 2026 · View company records in RevenueBase
19Exact matchBrendola, ItalyHQ recorded Nov 1, 202651-20039 contacts →

Exact match

“Aristoncavi starts its activity in Brendola (Vicenza) in 1958.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchAmericus, GA, United StatesHQ recorded Nov 1, 2026201-50038 contacts →

Exact match

“TSG Resolute is the leading provider to the major OEM marketplaces for a wide range of products that includes gaskets, thermal insulation, acoustical insulation, electrical…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchSkedsmokorset, NorwayHQ recorded Nov 1, 202611-5037 contacts →

Exact match

“BAGGES AS er en produksjons- og handelsbedrift som leverer kundetilpasset: • Termisk isolasjon • Passiv brannbeskyttelse • Filtrering • Elektrisk isolasjon • Teknisk plast •…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchItupeva, BrazilHQ recorded Nov 1, 202651-20036 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 · Nov 1, 2026 · View company records in RevenueBase
23Exact matchMenands, NY, United StatesHQ recorded Nov 1, 202651-20035 contacts →

Exact match

“Gerome Technologies Inc.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchIndiaHQ recorded Nov 1, 202611-5035 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
25Exact matchToronto, ON, CanadaHQ recorded Nov 1, 202611-5033 contacts →

Exact match

“Firwin Corp is a leading manufacturer of custom insulation products for diesel and gas engines & exhaust systems, and industrial applications.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 727 rubber insulators suppliers worldwide

See the full list, filter by size, metro and specialty, and access 1,588 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rubber insulators suppliers worldwide at a glance

As of Nov 1, 2026
18.0%Verified-email coverage
12.1Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Mumbai
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
190
11-50
245
51-200
186
201-500
61
501-1,000
16
1,001-5,000
21
10001+
1

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 rubber insulators suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “rubber 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 1,588 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 1, 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.

Rubber insulators suppliers by location

5 lists · largest first

Every Rubber insulators 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 “rubber insulators suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rubber insulators suppliers are there worldwide?

RevenueBase identified 727 company matches for rubber insulators suppliers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most rubber insulators suppliers?

India leads with 166 companies, followed by the United States (56) and Italy (30). Every rubber insulators suppliers list by country and city is linked on this page.

Which city has the most rubber insulators suppliers?

Mumbai leads with 13 company records, followed by Vadodara (13) and Delhi (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,588 professional contacts with verified work emails tracked across these 727 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.