Company lists · Data refreshed October 2026
Top 25 Refractory insulation suppliers worldwide
RevenueBase identified 1,650 company matches for refractory insulation suppliers worldwide as of October 2026 and tracks 28,226 professional contacts across them, including 7,748 with verified work emails. India is the largest market and Zhengzhou the largest hub.
This list covers company matches for refractory 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 October 29, 2026. Country and city lists for refractory 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.
The 25 largest refractory insulation suppliers 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 29, 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 937 contacts → | ||||
Exact match “Established in 1958, TRL Krosaki Refractories Limited (formerly Tata Refractories Limited (TRL)) has pioneered refractory production in India and have extended its supply and…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 4 | 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 29, 2026 · View company records in RevenueBase | |||||
| 5 | 590 contacts → | ||||
Exact match “Set Linings is the world's fastest growing Refractory Company delivering turn-key projects around the globe with engineering, material supply, installation, dry-out and heating-up…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 6 | 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 29, 2026 · View company records in RevenueBase | |||||
| 7 | 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 29, 2026 · View company records in RevenueBase | |||||
| 8 | 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 29, 2026 · View company records in RevenueBase | |||||
| 9 | 308 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 10 | 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 29, 2026 · View company records in RevenueBase | |||||
| 11 | 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 29, 2026 · View company records in RevenueBase | |||||
| 12 | 184 contacts → | ||||
Exact match “Mahakoshal Refractories Pvt.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 13 | 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 29, 2026 · View company records in RevenueBase | |||||
| 14 | 146 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 · Oct 29, 2026 · View company records in RevenueBase | |||||
| 15 | 146 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 · Oct 29, 2026 · View company records in RevenueBase | |||||
| 16 | 140 contacts → | ||||
Exact match “The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 17 | 119 contacts → | ||||
Exact match “Höganäs Borgestad develops, manufactures and deliver refractory products, installations and turnkey solutions that enhance the productivity and competitiveness of industrial…” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 18 | 107 contacts → | ||||
Exact match “Germer é resultado de contínuos investimentos em modernização tecnológica, pesquisas e treinamentos ao longo de mais de 40 anos de existência.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 19 | 91 contacts → | ||||
Exact match “Gouda Refractories has been active in the refractory industry for over 120 years (since 1901).” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 20 | 90 contacts → | ||||
Exact match “Magneco/Metrel, Inc.(MMI) is a worldwide refractory manufacturer with headquarters in Deerfield, Illinois, USA.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 21 | 90 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 · Oct 29, 2026 · View company records in RevenueBase | |||||
| 22 | 87 contacts → | ||||
Exact match “Intherpro LLC is the International Company for Thermal Insulation and Passive Fire Protection.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 23 | 84 contacts → | ||||
Exact match “DSF is the UK's leading refractory specialist and largest producer of shaped refractories with a range of high alumina, spinel and other special refractories.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 24 | 78 contacts → | ||||
Exact match “Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded in the RevenueBase company graph · Oct 29, 2026 · View company records in RevenueBase | |||||
| 25 | 77 contacts → | ||||
Exact match “Once known as the “Egyptian Company for Refractories”, Asfour M&R has now become one of the largest and most reputable producers of Refractories in the region.” Recorded in the RevenueBase company graph · Oct 29, 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 “refractory insulation suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,650 refractory insulation suppliers worldwide
See the full list, filter by size, metro and specialty, and access 7,748 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Refractory insulation suppliers worldwide at a glance
As of Oct 29, 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 refractory insulation suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “refractory 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 7,748 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 29, 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.
Refractory insulation suppliers by location
10 lists · largest firstEvery Refractory insulation suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Refractory insulation suppliers based in India236
- Refractory insulation suppliers based in the United States201
- Refractory insulation suppliers based in the United Kingdom106
- Refractory insulation suppliers based in Brazil71
- Refractory insulation suppliers based in France67
- Refractory insulation suppliers based in Germany56
- Refractory insulation suppliers based in Italy52
- Refractory insulation suppliers based in Türkiye42
- Refractory insulation suppliers based in Canada34
- Refractory insulation suppliers based in the Netherlands34
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 “refractory insulation suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many refractory insulation suppliers are there worldwide?
RevenueBase identified 1,650 company matches for refractory insulation suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
RHI Magnesita tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most refractory insulation suppliers?
India leads with 236 companies, followed by the United States (201) and the United Kingdom (106). Every refractory insulation suppliers list by country and city is linked on this page.
Which city has the most refractory insulation suppliers?
Zhengzhou leads with 22 company records, followed by Mumbai (16) and Zibo (14).
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 7,748 professional contacts with verified work emails tracked across these 1,650 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,650 refractory insulation suppliers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 refractory insulation suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,650 matching company records for refractory insulation suppliers worldwide, with 28,226 tracked contacts and 7,748 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 29, 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 refractory insulation suppliers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 29, 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TRL Krosaki Refractories Limitedtrlkrosaki.com HQ: Jharsuguda, IndiaReported employees: 1,001-5,000 | Jharsuguda, India | 1,001-5,000 | Exact match | 937 contacts → |
“Established in 1958, TRL Krosaki Refractories Limited (formerly Tata Refractories Limited (TRL)) has pioneered refractory production in India and have extended its supply and…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SET Linings Int. S.Asetlinings.pt HQ: Moita, PortugalReported employees: 201-500 | Moita, Portugal | 201-500 | Exact match | 590 contacts → |
“Set Linings is the world's fastest growing Refractory Company delivering turn-key projects around the globe with engineering, material supply, installation, dry-out and heating-up…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tmjo Teras Meisei Joint Operationttp.co.id HQ: IndonesiaReported employees: 501-1,000 | Indonesia | 501-1,000 | Exact match | 308 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mahakoshal Refractories Private Limitedmahakoshalrefractories.com HQ: Katni, IndiaReported employees: 1,001-5,000 | Katni, India | 1,001-5,000 | Exact match | 184 contacts → |
“Mahakoshal Refractories Pvt.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 146 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | K-Flex USAkflexusa.com HQ: Youngsville, NC, United StatesReported employees: 201-500 | Youngsville, NC, United States | 201-500 | Exact match | 146 contacts → |
“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 description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Refratechnik Grouprefra.com HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 140 contacts → |
“The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Höganäs Borgestadhoganasborgestad.com HQ: Gävle, SwedenReported employees: 201-500 | Gävle, Sweden | 201-500 | Exact match | 119 contacts → |
“Höganäs Borgestad develops, manufactures and deliver refractory products, installations and turnkey solutions that enhance the productivity and competitiveness of industrial…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Porcelanas Industriais Germer S.Agermerisoladores.com.br HQ: Timbó, BrazilReported employees: 201-500 | Timbó, Brazil | 201-500 | Exact match | 107 contacts → |
“Germer é resultado de contínuos investimentos em modernização tecnológica, pesquisas e treinamentos ao longo de mais de 40 anos de existência.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Gouda Refractories BVgoudarefractories.com HQ: Gouda, NetherlandsReported employees: 51-200 | Gouda, Netherlands | 51-200 | Exact match | 91 contacts → |
“Gouda Refractories has been active in the refractory industry for over 120 years (since 1901).” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Magneco Metrelmagneco-metrel.com HQ: Deerfield, IL, United StatesReported employees: 51-200 | Deerfield, IL, United States | 51-200 | Exact match | 90 contacts → |
“Magneco/Metrel, Inc.(MMI) is a worldwide refractory manufacturer with headquarters in Deerfield, Illinois, USA.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Owens Corning Foamglas Industrial Insulationfoamglas.com HQ: Toledo, OH, United StatesReported employees: 201-500 | Toledo, OH, United States | 201-500 | Exact match | 90 contacts → |
“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 description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Intherpro LLCintherpro.com HQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 87 contacts → |
“Intherpro LLC is the International Company for Thermal Insulation and Passive Fire Protection.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | DSF Refractories & Minerals LTDdsf.co.uk HQ: Buxton, United KingdomReported employees: 51-200 | Buxton, United Kingdom | 51-200 | Exact match | 84 contacts → |
“DSF is the UK's leading refractory specialist and largest producer of shaped refractories with a range of high alumina, spinel and other special refractories.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Plibrico Companyplibrico.com HQ: Northbrook, IL, United StatesReported employees: 51-200 | Northbrook, IL, United States | 51-200 | Exact match | 78 contacts → |
“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Asfour For Mining & Refractoriesasfourmr.comHQ: Cairo, EgyptReported employees: 501-1,000 | Cairo, Egypt | 501-1,000 | Exact match | 77 contacts → |
“Once known as the “Egyptian Company for Refractories”, Asfour M&R has now become one of the largest and most reputable producers of Refractories in the region.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,650 company matches
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Refractory insulation suppliers: dataset insights
October 29, 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
1,633 records in the displayed employee bands.
17 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 1,650 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 29, 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 ↗
Refractory insulation suppliers by location
10 lists · largest firstEvery Refractory insulation suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Refractory insulation suppliers based in India236
- Refractory insulation suppliers based in the United States201
- Refractory insulation suppliers based in the United Kingdom106
- Refractory insulation suppliers based in Brazil71
- Refractory insulation suppliers based in France67
- Refractory insulation suppliers based in Germany56
- Refractory insulation suppliers based in Italy52
- Refractory insulation suppliers based in Türkiye42
- Refractory insulation suppliers based in Canada34
- Refractory insulation suppliers based in the Netherlands34
Questions about this company list
What does Exact match mean for refractory insulation suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many refractory insulation suppliers did RevenueBase find worldwide?
The saved snapshot records 1,650 matching company records, 28,226 tracked contacts and 7,748 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 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 refractory insulation suppliers worldwide. Snapshot: October 29, 2026. https://revenuebase.ai/companies/browse/refractory-insulation-suppliers.
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 refractory insulation suppliers worldwide
RevenueBase records 1,650 matching company records for refractory insulation suppliers worldwide, with 28,226 tracked contacts and 7,748 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 29, 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 refractory insulation suppliers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | 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 29, 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TRL Krosaki Refractories Limitedtrlkrosaki.com HQ: Jharsuguda, IndiaReported employees: 1,001-5,000 | Jharsuguda, India | 1,001-5,000 | Exact match | 937 contacts → |
“Established in 1958, TRL Krosaki Refractories Limited (formerly Tata Refractories Limited (TRL)) has pioneered refractory production in India and have extended its supply and…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SET Linings Int. S.Asetlinings.pt HQ: Moita, PortugalReported employees: 201-500 | Moita, Portugal | 201-500 | Exact match | 590 contacts → |
“Set Linings is the world's fastest growing Refractory Company delivering turn-key projects around the globe with engineering, material supply, installation, dry-out and heating-up…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tmjo Teras Meisei Joint Operationttp.co.id HQ: IndonesiaReported employees: 501-1,000 | Indonesia | 501-1,000 | Exact match | 308 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mahakoshal Refractories Private Limitedmahakoshalrefractories.com HQ: Katni, IndiaReported employees: 1,001-5,000 | Katni, India | 1,001-5,000 | Exact match | 184 contacts → |
“Mahakoshal Refractories Pvt.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 146 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | K-Flex USAkflexusa.com HQ: Youngsville, NC, United StatesReported employees: 201-500 | Youngsville, NC, United States | 201-500 | Exact match | 146 contacts → |
“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 description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Refratechnik Grouprefra.com HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 140 contacts → |
“The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Höganäs Borgestadhoganasborgestad.com HQ: Gävle, SwedenReported employees: 201-500 | Gävle, Sweden | 201-500 | Exact match | 119 contacts → |
“Höganäs Borgestad develops, manufactures and deliver refractory products, installations and turnkey solutions that enhance the productivity and competitiveness of industrial…” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Porcelanas Industriais Germer S.Agermerisoladores.com.br HQ: Timbó, BrazilReported employees: 201-500 | Timbó, Brazil | 201-500 | Exact match | 107 contacts → |
“Germer é resultado de contínuos investimentos em modernização tecnológica, pesquisas e treinamentos ao longo de mais de 40 anos de existência.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Gouda Refractories BVgoudarefractories.com HQ: Gouda, NetherlandsReported employees: 51-200 | Gouda, Netherlands | 51-200 | Exact match | 91 contacts → |
“Gouda Refractories has been active in the refractory industry for over 120 years (since 1901).” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Magneco Metrelmagneco-metrel.com HQ: Deerfield, IL, United StatesReported employees: 51-200 | Deerfield, IL, United States | 51-200 | Exact match | 90 contacts → |
“Magneco/Metrel, Inc.(MMI) is a worldwide refractory manufacturer with headquarters in Deerfield, Illinois, USA.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Owens Corning Foamglas Industrial Insulationfoamglas.com HQ: Toledo, OH, United StatesReported employees: 201-500 | Toledo, OH, United States | 201-500 | Exact match | 90 contacts → |
“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 description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Intherpro LLCintherpro.com HQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 87 contacts → |
“Intherpro LLC is the International Company for Thermal Insulation and Passive Fire Protection.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | DSF Refractories & Minerals LTDdsf.co.uk HQ: Buxton, United KingdomReported employees: 51-200 | Buxton, United Kingdom | 51-200 | Exact match | 84 contacts → |
“DSF is the UK's leading refractory specialist and largest producer of shaped refractories with a range of high alumina, spinel and other special refractories.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Plibrico Companyplibrico.com HQ: Northbrook, IL, United StatesReported employees: 51-200 | Northbrook, IL, United States | 51-200 | Exact match | 78 contacts → |
“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Asfour For Mining & Refractoriesasfourmr.com HQ: Cairo, EgyptReported employees: 501-1,000 | Cairo, Egypt | 501-1,000 | Exact match | 77 contacts → |
“Once known as the “Egyptian Company for Refractories”, Asfour M&R has now become one of the largest and most reputable producers of Refractories in the region.” Recorded description excerpt · October 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Refractory insulation suppliers: dataset insights
October 29, 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
1,633 records in the displayed employee bands.
17 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 1,650 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 29, 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 ↗
Refractory insulation suppliers by location
10 lists · largest firstEvery Refractory insulation suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Refractory insulation suppliers based in India236
- Refractory insulation suppliers based in the United States201
- Refractory insulation suppliers based in the United Kingdom106
- Refractory insulation suppliers based in Brazil71
- Refractory insulation suppliers based in France67
- Refractory insulation suppliers based in Germany56
- Refractory insulation suppliers based in Italy52
- Refractory insulation suppliers based in Türkiye42
- Refractory insulation suppliers based in Canada34
- Refractory insulation suppliers based in the Netherlands34
Questions about this company list
What does Exact match mean for refractory insulation suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many refractory insulation suppliers did RevenueBase find worldwide?
The saved snapshot records 1,650 matching company records, 28,226 tracked contacts and 7,748 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 29, 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
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Cite this list
RevenueBase Data Team. Top 25 refractory insulation suppliers worldwide. Snapshot: October 29, 2026. https://revenuebase.ai/companies/browse/refractory-insulation-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗