Company lists · Data refreshed November 2026

Top 25 Vulcanized fiber insulation suppliers worldwide

RevenueBase identified 1,327 company matches for vulcanized fiber insulation suppliers worldwide as of November 2026 and tracks 18,549 professional contacts across them, including 3,642 with verified work emails. India is the largest market and Mumbai the largest hub.

This list covers company matches for vulcanized fiber insulation 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 3, 2026. Country and city lists for vulcanized fiber insulation 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 3, 2026 How this list was built
1,327Companies
18,549Contacts tracked
3,642Verified emails
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The 25 largest vulcanized fiber insulation suppliers worldwide

Ranked by team size
Top 25 of 1,327 company matches for vulcanized fiber insulation suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchMadrid, SpainHQ recorded Nov 3, 20261,001-5,000634 contacts →

Exact match

“URSA is a company dedicated to the manufacture and commercialization of thermal and acoustic insulation materials oriented towards sustainability and energy efficiency in…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchHelsinki, FinlandHQ recorded Nov 3, 20261,001-5,000523 contacts →

Exact match

“When you work with us you are making the world a better place.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 3, 20261,001-5,000517 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 3, 2026 · View company records in RevenueBase
4Exact matchMilton, MS, CanadaHQ recorded Nov 3, 20261,001-5,000513 contacts →

Exact match

“ROCKWOOL® is the world’s leading manufacturer of stone wool insulation.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchCharlotte, CT, United StatesHQ recorded Nov 3, 20261,001-5,000502 contacts →

Exact match

“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchWesel, GermanyHQ recorded Nov 3, 20261,001-5,000419 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchMedford, MA, United StatesHQ recorded Nov 3, 2026501-1,000340 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchİstanbul, TürkiyeHQ recorded Nov 3, 2026501-1,000328 contacts →

Exact match

“Tarihçe Türkiye yalıtım sektörünün öncüsü olarak 1965 yılında kurulan İzocam A.Ş'nin Gebze'deki ilk fabrikası 1967 yılında camyünü üretimine başlayarak faaliyete geçmiştir.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchAlahmadi, KuwaitHQ recorded Nov 3, 2026501-1,000185 contacts →

Exact match

“KIMMCO-Isover, is a joint-venture between the International Leader in Construction Products and which considered one of the largest, privately owned companies in the Gulf region…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchCharlotte, United StatesHQ recorded Nov 3, 2026201-500159 contacts →

Exact match

“Established in and headquartered in Charlotte, N.C, Greenfiber is the largest manufacturer of cellulose insulation and fire and sound products.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchYoungsville, NC, United StatesHQ recorded Nov 3, 2026201-500159 contacts →

Exact match

“K-FLEX USA is the North American division of the IK Insulation Group, an innovative leader in flexible elastomeric foam insulation with 12 production facilities worldwide and a…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchIstanbul, TürkiyeHQ recorded Nov 3, 2026201-500156 contacts →

Exact match

“1985 yılında taahhüt faaliyetleriyle ticaret hayatına başlayan ve 1996 yılında üretici kimliğine kavuşarak, yapı ve teknik yalıtım olmak üzere 2 ana kategoride üretim yapan ODE…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchDenver, AL, United StatesHQ recorded Nov 3, 2026201-500150 contacts →

Exact match

“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Nov 3, 2026201-500149 contacts →

Exact match

“Glavagruppen is a Norwegian industrial company with head office in Askim, plants in Askim and Stjørdal, and central office for administration, sales and marketing in Oslo.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchBillesholm, SwedenHQ recorded Nov 3, 2026201-500134 contacts →

Exact match

“Svensktillverkad isolering sedan mer än 90 år Mer än nittio procent av det isolermaterial som Isover levererar inom Sverige produceras i fabriken i skånska Billesholm, där vi…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchAjman, United Arab EmiratesHQ recorded Nov 3, 2026501-1,000131 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 3, 2026 · View company records in RevenueBase
17Exact matchAnzegem, BelgiumHQ recorded Nov 3, 20261,001-5,000130 contacts →

Exact match

“Abriso Jiffy is a leading European manufacturer of protective packaging and insulation materials.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchDüsseldorf, GermanyHQ recorded Nov 3, 20261,001-5,000129 contacts →

Exact match

“ISOVER – Ihr Partner für leistungsstarke Dämmungslösungen „So wird gedämmt.“ Diesem Anspruch werden wir als Dämmstoffspezialist seit mehr als 145 Jahren gerecht.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchGreenville, SC, United StatesHQ recorded Nov 3, 202651-200123 contacts →

Exact match

“Silvercote, a Service Partners company, manufactures high-quality metal building insulation products customized to project specifications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchCairo, EgyptHQ recorded Nov 3, 2026201-500117 contacts →

Exact match

“GlassRock Insulation Company S.A.E.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchİstanbul, TürkiyeHQ recorded Nov 3, 2026201-500108 contacts →

Exact match

“Eryap Group and Trade Inc.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchNashik, IndiaHQ recorded Nov 3, 2026201-500106 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 3, 2026 · View company records in RevenueBase
23Exact matchGuararema, BrazilHQ recorded Nov 3, 2026201-500102 contacts →

Exact match

“A Rockfibras desde 1960 fabrica isolantes térmicos e acústicos em Lã de Rocha THERMAX® e Silicato de cálcio ROCK-SIL®.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchToledo, United StatesHQ recorded Nov 3, 2026201-500101 contacts →

Exact match

“FOAMGLAS® insulation is part of Owens Corning, a global building and industrial materials leader with three integrated businesses that are dedicated to the manufacture and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 3, 2026201-50093 contacts →

Exact match

“Epsilyte is one of North America’s leading producers of advanced insulative materials.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 1,327 vulcanized fiber insulation suppliers worldwide

See the full list, filter by size, metro and specialty, and access 3,642 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Vulcanized fiber insulation suppliers worldwide at a glance

As of Nov 3, 2026
19.6%Verified-email coverage
14.0Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Mumbai
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
379
11-50
459
51-200
267
201-500
138
501-1,000
24
1,001-5,000
29
5,001-10,000
3
10001+
4

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 vulcanized fiber insulation suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “vulcanized fiber insulation 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 3,642 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 3, 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.

Vulcanized fiber insulation suppliers by location

8 lists · largest first

Every Vulcanized fiber insulation 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 “vulcanized fiber insulation suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many vulcanized fiber insulation suppliers are there worldwide?

RevenueBase identified 1,327 company matches for vulcanized fiber insulation 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?

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

Which country has the most vulcanized fiber insulation suppliers?

India leads with 204 companies, followed by the United States (138) and Italy (72). Every vulcanized fiber insulation suppliers list by country and city is linked on this page.

Which city has the most vulcanized fiber insulation suppliers?

Mumbai leads with 18 company records, followed by Delhi (15) and Istanbul (12).

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 3,642 professional contacts with verified work emails tracked across these 1,327 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 3, 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.