Company lists · Data refreshed November 2026

Top 25 Solid core insulators suppliers worldwide

RevenueBase identified 546 company matches for solid core insulators suppliers worldwide as of November 2026 and tracks 11,243 professional contacts across them, including 2,113 with verified work emails. India is the largest market and Hyderabad the largest hub.

This list covers company matches for solid core 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 solid core 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
546Companies
11,243Contacts tracked
2,113Verified emails
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The 25 largest solid core insulators suppliers worldwide

Ranked by team size
Top 25 of 546 company matches for solid core 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 matchFort Mill, SC, United StatesHQ recorded Nov 1, 20261,001-5,000937 contacts →

Exact match

“MacLean Power Systems (MPS), headquartered in Fort Mill, SC, is LEADING THE WAY™ in delivering innovative, reliable, and resilient solutions for the electric utility…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchRamsey, NJ, United StatesHQ recorded Nov 1, 20261,001-5,000488 contacts →

Exact match

“The Okonite Company was founded in 1878 making it one of the original insulators of electrical wire and cable in the United States.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 1, 20261,001-5,000484 contacts →

Exact match

“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchOrlandia, BrazilHQ recorded Nov 1, 20261,001-5,000368 contacts →

Exact match

“Uma indústria orgulhosamente brasileira, referência nacional e internacional na fabricação de produtos para os setores de transmissão e distribuição de energia, sistemas de…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchAbu Road, IndiaHQ recorded Nov 1, 20261,001-5,000234 contacts →

Exact match

“Modern Insulators ltd is India’s largest manufacturer and exporter of equipment porcelain insulators, working closely with OEMs, Indian Railways, National and Regional Utilities…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Nov 1, 2026201-500184 contacts →

Exact match

“Maurizio, fundada em 1956, consolidou-se como referência na fabricação de equipamentos de alta tensão para linhas de Distribuição, Transmissão, Subestação e Smart Grids.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchKolkata, IndiaHQ recorded Nov 1, 2026201-500165 contacts →

Exact match

“KSE - The one-stop solution for all your needs of Power Transmission & Distribution Hardware & Fittings.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
11Exact matchMontichiari, ItalyHQ recorded Nov 1, 2026501-1,000149 contacts →

Exact match

“Gruppo Bonomi was founded in Lumezzane in 1928 as a foundry of non-ferrous alloys and expands its production over the years thanks to the acquisition of brands such as Rebosio…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
12Exact matchItu, BrazilHQ recorded Nov 1, 2026201-500146 contacts →

Exact match

“ISOLET is a company based out of Rod.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchKolkata, IndiaHQ recorded Nov 1, 202651-200139 contacts →

Exact match

“IAC Electricals Pvt.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchTimbó, BrazilHQ recorded Nov 1, 2026201-500107 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 · Nov 1, 2026 · View company records in RevenueBase
17Exact matchPlot No. 61, IndiaHQ recorded Nov 1, 2026201-500100 contacts →

Exact match

“Legion Energy is the New age Manufacturing company for Hardware and Connectors for Transmission line, substations and Distributions.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
18Exact matchNashik, IndiaHQ recorded Nov 1, 2026201-50097 contacts →

Exact match

“Manufacturer of specialty flexible & rigid insulating materials for industry leaders in wind, hydro & turbo-generators, inverters, drives & electrical panels, switch-gears, bus…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchIndiaHQ recorded Nov 1, 20261,001-5,00094 contacts →

Exact match

“Manufacturers of Ceramic Porcelain High Voltage Electrical Insulators”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchSección, MexicoHQ recorded Nov 1, 202651-20064 contacts →

Exact match

“Empresa dedicada a la manufactura de núcleos componentes, kits de aislantes para trasformadores, motores, tableros eléctricos y distribución de materiales y equipos para la…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchReed City, MI, United StatesHQ recorded Nov 1, 202651-20059 contacts →

Exact match

“Power Line Supply Company is one of the largest independent distributors of electrical products in the country.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchVila Nova De Gaia, PortugalHQ recorded Nov 1, 202651-20058 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 · Nov 1, 2026 · View company records in RevenueBase
25Exact matchArgentinaHQ recorded Nov 1, 2026201-50052 contacts →

Exact match

“Industrias SICA es una Empresa de larga trayectoria en la Argentina (más de 55 años) y con destacada presencia en el Cono Sur.”

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

Showing 25 of 546 solid core insulators suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,113 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solid core insulators suppliers worldwide at a glance

As of Nov 1, 2026
18.8%Verified-email coverage
20.6Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Hyderabad
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
138
11-50
157
51-200
145
201-500
58
501-1,000
18
1,001-5,000
26
10001+
2

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 solid core insulators suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “solid core 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 2,113 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.

Solid core insulators suppliers by location

3 lists · largest first

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

How many solid core insulators suppliers are there worldwide?

RevenueBase identified 546 company matches for solid core 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?

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

Which country has the most solid core insulators suppliers?

India leads with 120 companies, followed by the United States (44) and Brazil (33). Every solid core insulators suppliers list by country and city is linked on this page.

Which city has the most solid core insulators suppliers?

Hyderabad leads with 11 company records, followed by Kolkata (10) and Vadodara (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 2,113 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 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.