Company lists · Data refreshed October 2026
Top 25 High-temperature insulation manufacturers worldwide
RevenueBase identified 3,212 company matches for high-temperature insulation manufacturers worldwide as of October 2026 and tracks 47,246 professional contacts across them, including 12,463 with verified work emails. The United States is the largest market and Istanbul the largest hub.
This list covers company matches for high-temperature insulation manufacturers 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 14, 2026. Country and city lists for high-temperature insulation manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest high-temperature insulation manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,528 contacts → | ||||
Exact match “RHI Magnesita is the leading global supplier of high-grade refractory products, systems and solutions which are critical for high-temperature processes exceeding 1,200°C in a wide…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 1,799 contacts → | ||||
Exact match “Calderys is a leading global provider for industries operating in high-temperature conditions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 1,705 contacts → | ||||
Exact match “Knauf Insulation is one of the world’s largest manufacturers of insulation products and solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 1,384 contacts → | ||||
Exact match “ARMACELL - DRIVING ENERGY EFFICIENCY Armacell is the inventor of flexible elastomeric foams for equipment insulation.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 932 contacts → | ||||
Exact match “Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 781 contacts → | ||||
Exact match “HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 747 contacts → | ||||
Exact match “We are IBAR, the Brazilian representative for the development of advanced solutions in refractory materials technology for 80 years.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 701 contacts → | ||||
Exact match “KAEFER WANNER, leader français de l’isolation industrielle, est un partenaire très demandé en Isolation Thermique Industrielle et Nucléaire, Echafaudage, Désamiantage, Protection…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 618 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 529 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 524 contacts → | ||||
Exact match “When you work with us you are making the world a better place.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 504 contacts → | ||||
Exact match “ROCKWOOL® is the world’s leading manufacturer of stone wool insulation.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 421 contacts → | ||||
Exact match “At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 327 contacts → | ||||
Exact match “Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 315 contacts → | ||||
Exact match “Wego Systembaustoffe GmbH ist mit dem Bereich Wärme, Kälte, Schall- und Brandschutz mit der Sparte VTI (Vertrieb Technischer Isolier- und Dämmstoffe) ein Tochterunternehmen der…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 234 contacts → | ||||
Exact match “KÜMAŞ is the largest producer and supplier of refractory products for steel, cement, glass, lime, nonferrous and some other industries in Eastern Europe and Turkey.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 219 contacts → | ||||
Exact match “NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 196 contacts → | ||||
Exact match “Company specialized in the manufacture and commercialization of chemical products, polyester polyols and polyurethane systems for thermal and acoustic insulation and diverse…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 186 contacts → | ||||
Exact match “Solutions d'isolation à hautes performances thermiques, acoustiques et d'étanchéité” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 173 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 161 contacts → | ||||
Exact match “Saint-Gobain Performance Ceramics & Refractories, leads the industry in design, development and production of engineered ceramics and refractory products for extreme operating…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 161 contacts → | ||||
Exact match “A Isar atua como fornecedora de sistemas isolantes para todas as áreas do setor industrial e da construção civil desde 1980, sendo uma das mais tradicionais empresas…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 160 contacts → | ||||
Exact match “Fletcher Insulation stands as a leading Australian manufacturer, distributor, and technical support provider for the building construction industry in insulation.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 160 contacts → | ||||
Exact match “Saint-Gobain India – Insulation Business, as part of the global Saint-Gobain Group, carries a legacy woven from innovation and purpose.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 153 contacts → | ||||
Exact match “RATH is a refractory producer and is specializing in high temperature heat containment, thermal processing, and thermal measurement needs of its customers.” Recorded in the RevenueBase company graph · Oct 14, 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-temperature insulation manufacturers”. 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 3,212 high-temperature insulation manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 12,463 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High-temperature insulation manufacturers worldwide at a glance
As of Oct 14, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for high-temperature insulation manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “high-temperature insulation manufacturers” 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 12,463 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 14, 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.
High-temperature insulation manufacturers by location
17 lists · largest firstEvery High-temperature insulation manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- High-temperature insulation manufacturers based in the United States332
- High-temperature insulation manufacturers based in India290
- High-temperature insulation manufacturers based in the United Kingdom198
- High-temperature insulation manufacturers based in France192
- High-temperature insulation manufacturers based in Germany166
- High-temperature insulation manufacturers based in Italy163
- High-temperature insulation manufacturers based in Brazil117
- High-temperature insulation manufacturers based in Türkiye111
- High-temperature insulation manufacturers based in the Netherlands92
- High-temperature insulation manufacturers based in Spain76
- High-temperature insulation manufacturers based in Canada73
- High-temperature insulation manufacturers based in Australia55
- High-temperature insulation manufacturers based in Poland54
- High-temperature insulation manufacturers based in Switzerland49
- High-temperature insulation manufacturers based in Mexico48
- High-temperature insulation manufacturers based in Belgium45
- High-temperature insulation manufacturers based in Sweden29
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-temperature insulation manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high-temperature insulation manufacturers are there worldwide?
RevenueBase identified 3,212 company matches for high-temperature insulation manufacturers 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?
RHI Magnesita tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most high-temperature insulation manufacturers?
The United States leads with 332 companies, followed by India (290) and the United Kingdom (198). Every high-temperature insulation manufacturers list by country and city is linked on this page.
Which city has the most high-temperature insulation manufacturers?
Istanbul leads with 26 company records, followed by Mumbai (22) and Zhengzhou (21).
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 12,463 professional contacts with verified work emails tracked across these 3,212 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,212 high-temperature insulation manufacturers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 high-temperature insulation manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,212 matching company records for high-temperature insulation manufacturers worldwide, with 47,246 tracked contacts and 12,463 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 14, 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-temperature insulation manufacturers 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 | RHI Magnesitarhimagnesita.com HQ: Vienna, United StatesReported employees: 10001+ | Vienna, United States | 10001+ | Exact match | 7,528 contacts → |
“RHI Magnesita is the leading global supplier of high-grade refractory products, systems and solutions which are critical for high-temperature processes exceeding 1,200°C in a wide…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Calderyscalderys.com HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,799 contacts → |
“Calderys is a leading global provider for industries operating in high-temperature conditions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Knauf Insulationknaufinsulation.com HQ: Vise, BelgiumReported employees: 5,001-10,000 | Vise, Belgium | 5,001-10,000 | Exact match | 1,705 contacts → |
“Knauf Insulation is one of the world’s largest manufacturers of insulation products and solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Armacellarmacell.comHQ: Capellen, LuxembourgReported employees: 1,001-5,000 | Capellen, Luxembourg | 1,001-5,000 | Exact match | 1,384 contacts → |
“ARMACELL - DRIVING ENERGY EFFICIENCY Armacell is the inventor of flexible elastomeric foams for equipment insulation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kingspan Insulationkingspan.comHQ: Leominster, GermanyReported employees: 1,001-5,000 | Leominster, Germany | 1,001-5,000 | Exact match | 932 contacts → |
“Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Harbisonwalker Internationalthinkhwi.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 781 contacts → |
“HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | IBARibar.com.br HQ: Poá, BrazilReported employees: 1,001-5,000 | Poá, Brazil | 1,001-5,000 | Exact match | 747 contacts → |
“We are IBAR, the Brazilian representative for the development of advanced solutions in refractory materials technology for 80 years.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kaefer Francekaefer.fr HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 701 contacts → |
“KAEFER WANNER, leader français de l’isolation industrielle, est un partenaire très demandé en Isolation Thermique Industrielle et Nucléaire, Echafaudage, Désamiantage, Protection…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ursa By Etexursa.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 618 contacts → |
“URSA is a company dedicated to the manufacture and commercialization of thermal and acoustic insulation materials oriented towards sustainability and energy efficiency in…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SPIspi-co.com HQ: Charlotte, NC, United StatesReported employees: 1,001-5,000 | Charlotte, NC, United States | 1,001-5,000 | Exact match | 529 contacts → |
“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | PAROCparoc.com HQ: Helsinki, FinlandReported employees: 1,001-5,000 | Helsinki, Finland | 1,001-5,000 | Exact match | 524 contacts → |
“When you work with us you are making the world a better place.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rockwool North Americarockwool.com HQ: Milton, ON, CanadaReported employees: 1,001-5,000 | Milton, ON, Canada | 1,001-5,000 | Exact match | 504 contacts → |
“ROCKWOOL® is the world’s leading manufacturer of stone wool insulation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Unifraxunifrax.com HQ: Tonawanda, NY, United StatesReported employees: 1,001-5,000 | Tonawanda, NY, United States | 1,001-5,000 | Exact match | 421 contacts → |
“At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Darchem Engineeringdarchem.com HQ: Stillington, United KingdomReported employees: 501-1,000 | Stillington, United Kingdom | 501-1,000 | Exact match | 327 contacts → |
“Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Wego Systembaustoffe Gmbhzusammenbauen.de HQ: Hanau-steinheim, GermanyReported employees: 1,001-5,000 | Hanau-steinheim, Germany | 1,001-5,000 | Exact match | 315 contacts → |
“Wego Systembaustoffe GmbH ist mit dem Bereich Wärme, Kälte, Schall- und Brandschutz mit der Sparte VTI (Vertrieb Technischer Isolier- und Dämmstoffe) ein Tochterunternehmen der…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | KÜMAŞkumasref.com HQ: Kütahya, TürkiyeReported employees: 501-1,000 | Kütahya, Türkiye | 501-1,000 | Exact match | 234 contacts → |
“KÜMAŞ is the largest producer and supplier of refractory products for steel, cement, glass, lime, nonferrous and some other industries in Eastern Europe and Turkey.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | NUTECnutec.com HQ: Huntersville, NC, United StatesReported employees: 201-500 | Huntersville, NC, United States | 201-500 | Exact match | 219 contacts → |
“NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Synthesia Technology Groupsynthesia.com HQ: Castellbisbal Cataluna, SpainReported employees: 201-500 | Castellbisbal Cataluna, Spain | 201-500 | Exact match | 196 contacts → |
“Company specialized in the manufacture and commercialization of chemical products, polyester polyols and polyurethane systems for thermal and acoustic insulation and diverse…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | OXXOoxxo.dz HQ: Bordj Bou Arreridj, AlgeriaReported employees: 501-1,000 | Bordj Bou Arreridj, Algeria | 501-1,000 | Exact match | 186 contacts → |
“Solutions d'isolation à hautes performances thermiques, acoustiques et d'étanchéité” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TRL Krosaki Refractories Limitedtrlkrosaki.com HQ: Jharsuguda, IndiaReported employees: 1,001-5,000 | Jharsuguda, India | 1,001-5,000 | Exact match | 173 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Saint-Gobain Performance Ceramics & Refractoriesceramicsrefractories.saint-gobain.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 161 contacts → |
“Saint-Gobain Performance Ceramics & Refractories, leads the industry in design, development and production of engineered ceramics and refractory products for extreme operating…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Isar Isolamentos Térmicos E Acústicos Ltdaisar.com.br HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 161 contacts → |
“A Isar atua como fornecedora de sistemas isolantes para todas as áreas do setor industrial e da construção civil desde 1980, sendo uma das mais tradicionais empresas…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fletcher Insulationinsulation.com.au HQ: Dandenong South, AustraliaReported employees: 201-500 | Dandenong South, Australia | 201-500 | Exact match | 160 contacts → |
“Fletcher Insulation stands as a leading Australian manufacturer, distributor, and technical support provider for the building construction industry in insulation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Saint-Gobain Indiainsulation-india.saint-gobain.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 160 contacts → |
“Saint-Gobain India – Insulation Business, as part of the global Saint-Gobain Group, carries a legacy woven from innovation and purpose.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Rath Grouprath-group.com HQ: Vienna, AustriaReported employees: 501-1,000 | Vienna, Austria | 501-1,000 | Exact match | 153 contacts → |
“RATH is a refractory producer and is specializing in high temperature heat containment, thermal processing, and thermal measurement needs of its customers.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,212 company matches
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High-temperature insulation manufacturers: dataset insights
October 14, 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
3,180 records in the displayed employee bands.
32 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 3,212 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 14, 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 ↗
High-temperature insulation manufacturers by location
17 lists · largest firstEvery High-temperature insulation manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- High-temperature insulation manufacturers based in the United States332
- High-temperature insulation manufacturers based in India290
- High-temperature insulation manufacturers based in the United Kingdom198
- High-temperature insulation manufacturers based in France192
- High-temperature insulation manufacturers based in Germany166
- High-temperature insulation manufacturers based in Italy163
- High-temperature insulation manufacturers based in Brazil117
- High-temperature insulation manufacturers based in Türkiye111
- High-temperature insulation manufacturers based in the Netherlands92
- High-temperature insulation manufacturers based in Spain76
- High-temperature insulation manufacturers based in Canada73
- High-temperature insulation manufacturers based in Australia55
- High-temperature insulation manufacturers based in Poland54
- High-temperature insulation manufacturers based in Switzerland49
- High-temperature insulation manufacturers based in Mexico48
- High-temperature insulation manufacturers based in Belgium45
- High-temperature insulation manufacturers based in Sweden29
Questions about this company list
What does Exact match mean for high-temperature insulation manufacturers?
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-temperature insulation manufacturers did RevenueBase find worldwide?
The saved snapshot records 3,212 matching company records, 47,246 tracked contacts and 12,463 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 14, 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-temperature insulation manufacturers worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/high-temperature-insulation-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 high-temperature insulation manufacturers worldwide
RevenueBase records 3,212 matching company records for high-temperature insulation manufacturers worldwide, with 47,246 tracked contacts and 12,463 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 14, 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-temperature insulation manufacturers 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 | RHI Magnesitarhimagnesita.com HQ: Vienna, United StatesReported employees: 10001+ | Vienna, United States | 10001+ | Exact match | 7,528 contacts → |
“RHI Magnesita is the leading global supplier of high-grade refractory products, systems and solutions which are critical for high-temperature processes exceeding 1,200°C in a wide…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Calderyscalderys.com HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,799 contacts → |
“Calderys is a leading global provider for industries operating in high-temperature conditions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Knauf Insulationknaufinsulation.com HQ: Vise, BelgiumReported employees: 5,001-10,000 | Vise, Belgium | 5,001-10,000 | Exact match | 1,705 contacts → |
“Knauf Insulation is one of the world’s largest manufacturers of insulation products and solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Armacellarmacell.com HQ: Capellen, LuxembourgReported employees: 1,001-5,000 | Capellen, Luxembourg | 1,001-5,000 | Exact match | 1,384 contacts → |
“ARMACELL - DRIVING ENERGY EFFICIENCY Armacell is the inventor of flexible elastomeric foams for equipment insulation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kingspan Insulationkingspan.com HQ: Leominster, GermanyReported employees: 1,001-5,000 | Leominster, Germany | 1,001-5,000 | Exact match | 932 contacts → |
“Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Harbisonwalker Internationalthinkhwi.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 781 contacts → |
“HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | IBARibar.com.br HQ: Poá, BrazilReported employees: 1,001-5,000 | Poá, Brazil | 1,001-5,000 | Exact match | 747 contacts → |
“We are IBAR, the Brazilian representative for the development of advanced solutions in refractory materials technology for 80 years.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kaefer Francekaefer.fr HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 701 contacts → |
“KAEFER WANNER, leader français de l’isolation industrielle, est un partenaire très demandé en Isolation Thermique Industrielle et Nucléaire, Echafaudage, Désamiantage, Protection…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ursa By Etexursa.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 618 contacts → |
“URSA is a company dedicated to the manufacture and commercialization of thermal and acoustic insulation materials oriented towards sustainability and energy efficiency in…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SPIspi-co.com HQ: Charlotte, NC, United StatesReported employees: 1,001-5,000 | Charlotte, NC, United States | 1,001-5,000 | Exact match | 529 contacts → |
“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | PAROCparoc.com HQ: Helsinki, FinlandReported employees: 1,001-5,000 | Helsinki, Finland | 1,001-5,000 | Exact match | 524 contacts → |
“When you work with us you are making the world a better place.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rockwool North Americarockwool.com HQ: Milton, ON, CanadaReported employees: 1,001-5,000 | Milton, ON, Canada | 1,001-5,000 | Exact match | 504 contacts → |
“ROCKWOOL® is the world’s leading manufacturer of stone wool insulation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Unifraxunifrax.com HQ: Tonawanda, NY, United StatesReported employees: 1,001-5,000 | Tonawanda, NY, United States | 1,001-5,000 | Exact match | 421 contacts → |
“At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Darchem Engineeringdarchem.com HQ: Stillington, United KingdomReported employees: 501-1,000 | Stillington, United Kingdom | 501-1,000 | Exact match | 327 contacts → |
“Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Wego Systembaustoffe Gmbhzusammenbauen.de HQ: Hanau-steinheim, GermanyReported employees: 1,001-5,000 | Hanau-steinheim, Germany | 1,001-5,000 | Exact match | 315 contacts → |
“Wego Systembaustoffe GmbH ist mit dem Bereich Wärme, Kälte, Schall- und Brandschutz mit der Sparte VTI (Vertrieb Technischer Isolier- und Dämmstoffe) ein Tochterunternehmen der…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | KÜMAŞkumasref.com HQ: Kütahya, TürkiyeReported employees: 501-1,000 | Kütahya, Türkiye | 501-1,000 | Exact match | 234 contacts → |
“KÜMAŞ is the largest producer and supplier of refractory products for steel, cement, glass, lime, nonferrous and some other industries in Eastern Europe and Turkey.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | NUTECnutec.com HQ: Huntersville, NC, United StatesReported employees: 201-500 | Huntersville, NC, United States | 201-500 | Exact match | 219 contacts → |
“NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Synthesia Technology Groupsynthesia.com HQ: Castellbisbal Cataluna, SpainReported employees: 201-500 | Castellbisbal Cataluna, Spain | 201-500 | Exact match | 196 contacts → |
“Company specialized in the manufacture and commercialization of chemical products, polyester polyols and polyurethane systems for thermal and acoustic insulation and diverse…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | OXXOoxxo.dz HQ: Bordj Bou Arreridj, AlgeriaReported employees: 501-1,000 | Bordj Bou Arreridj, Algeria | 501-1,000 | Exact match | 186 contacts → |
“Solutions d'isolation à hautes performances thermiques, acoustiques et d'étanchéité” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | TRL Krosaki Refractories Limitedtrlkrosaki.com HQ: Jharsuguda, IndiaReported employees: 1,001-5,000 | Jharsuguda, India | 1,001-5,000 | Exact match | 173 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Saint-Gobain Performance Ceramics & Refractoriesceramicsrefractories.saint-gobain.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 161 contacts → |
“Saint-Gobain Performance Ceramics & Refractories, leads the industry in design, development and production of engineered ceramics and refractory products for extreme operating…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Isar Isolamentos Térmicos E Acústicos Ltdaisar.com.br HQ: São Paulo, BrazilReported employees: 201-500 | São Paulo, Brazil | 201-500 | Exact match | 161 contacts → |
“A Isar atua como fornecedora de sistemas isolantes para todas as áreas do setor industrial e da construção civil desde 1980, sendo uma das mais tradicionais empresas…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fletcher Insulationinsulation.com.au HQ: Dandenong South, AustraliaReported employees: 201-500 | Dandenong South, Australia | 201-500 | Exact match | 160 contacts → |
“Fletcher Insulation stands as a leading Australian manufacturer, distributor, and technical support provider for the building construction industry in insulation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Saint-Gobain Indiainsulation-india.saint-gobain.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 160 contacts → |
“Saint-Gobain India – Insulation Business, as part of the global Saint-Gobain Group, carries a legacy woven from innovation and purpose.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Rath Grouprath-group.com HQ: Vienna, AustriaReported employees: 501-1,000 | Vienna, Austria | 501-1,000 | Exact match | 153 contacts → |
“RATH is a refractory producer and is specializing in high temperature heat containment, thermal processing, and thermal measurement needs of its customers.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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High-temperature insulation manufacturers: dataset insights
October 14, 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
3,180 records in the displayed employee bands.
32 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 3,212 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 14, 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 ↗
High-temperature insulation manufacturers by location
17 lists · largest firstEvery High-temperature insulation manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- High-temperature insulation manufacturers based in the United States332
- High-temperature insulation manufacturers based in India290
- High-temperature insulation manufacturers based in the United Kingdom198
- High-temperature insulation manufacturers based in France192
- High-temperature insulation manufacturers based in Germany166
- High-temperature insulation manufacturers based in Italy163
- High-temperature insulation manufacturers based in Brazil117
- High-temperature insulation manufacturers based in Türkiye111
- High-temperature insulation manufacturers based in the Netherlands92
- High-temperature insulation manufacturers based in Spain76
- High-temperature insulation manufacturers based in Canada73
- High-temperature insulation manufacturers based in Australia55
- High-temperature insulation manufacturers based in Poland54
- High-temperature insulation manufacturers based in Switzerland49
- High-temperature insulation manufacturers based in Mexico48
- High-temperature insulation manufacturers based in Belgium45
- High-temperature insulation manufacturers based in Sweden29
Questions about this company list
What does Exact match mean for high-temperature insulation manufacturers?
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-temperature insulation manufacturers did RevenueBase find worldwide?
The saved snapshot records 3,212 matching company records, 47,246 tracked contacts and 12,463 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 14, 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.
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Cite this list
RevenueBase Data Team. Top 25 high-temperature insulation manufacturers worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/high-temperature-insulation-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗