Company lists · Data refreshed November 2026
Top 25 Insulating fire brick companies worldwide
RevenueBase identified 847 company matches for insulating fire brick companies worldwide as of November 2026 and tracks 21,820 professional contacts across them, including 6,731 with verified work emails. India is the largest market and Zhengzhou the largest hub.
This list covers company matches for insulating fire brick companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for insulating fire brick companies 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 insulating fire brick companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,748 contacts → | ||||
Exact match “At RHI Magnesita, we master heat, enabling global industries to build sustainable modern life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,864 contacts → | ||||
Exact match “Calderys is a leading global provider for industries operating in high-temperature conditions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 965 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 776 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 502 contacts → | ||||
Exact match “SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 426 contacts → | ||||
Exact match “At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 229 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 224 contacts → | ||||
Exact match “NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 159 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 150 contacts → | ||||
Exact match “JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 145 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 133 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 101 contacts → | ||||
Exact match “FOAMGLAS® insulation is part of Owens Corning, a global building and industrial materials leader with three integrated businesses that are dedicated to the manufacture and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 98 contacts → | ||||
Exact match “Intherpro LLC is the International Company for Thermal Insulation and Passive Fire Protection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 81 contacts → | ||||
Exact match “Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 80 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 79 contacts → | ||||
Exact match “We are pleased to introduce ourselves as a leading supplier of Ceramic Fibre Products, Insulation Bricks & Blocks, High Alumina Bricks, Grinding Media, Refractory Materials…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 77 contacts → | ||||
Exact match “Thermal & Acoustical Insulation supply & fabrication, fiberglass, mineral wool, ceramic fiber, biosoluble fiber, foam, gaskets, removable covers etc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 71 contacts → | ||||
Exact match “It is settled in a m2 industrial área, located in Resende – Rio de Janeiro, Brazil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 67 contacts → | ||||
Exact match “The Insulcon Group is a leading international manufacturer and supplier of high-temperature and energy-saving solutions for the thermal process industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 65 contacts → | ||||
Exact match “OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 59 contacts → | ||||
Exact match “Onex delivers complete industrial furnace and combustion solutions designed to improve reliability, efficiency, and operational performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 54 contacts → | ||||
Exact match “Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 50 contacts → | ||||
Exact match “With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 50 contacts → | ||||
Exact match “Empresa fabricante de Isolamento Térmico e capas Corta Fogo para indústrias gerais.” Recorded in the RevenueBase company graph · Nov 6, 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 “insulating fire brick companies”. 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 847 insulating fire brick companies worldwide
See the full list, filter by size, metro and specialty, and access 6,731 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Insulating fire brick companies worldwide at a glance
As of Nov 6, 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 insulating fire brick companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “insulating fire brick companies” 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 6,731 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 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.
Insulating fire brick companies by location
6 lists · largest firstEvery Insulating fire brick companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Insulating fire brick companies based in India132
- Insulating fire brick companies based in the United States130
- Insulating fire brick companies based in Brazil38
- Insulating fire brick companies based in Germany35
- Insulating fire brick companies based in France31
- Insulating fire brick companies based in the United Kingdom30
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 “insulating fire brick companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many insulating fire brick companies are there worldwide?
RevenueBase identified 847 company matches for insulating fire brick companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
RHI Magnesita tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most insulating fire brick companies?
India leads with 132 companies, followed by the United States (130) and Brazil (38). Every insulating fire brick companies list by country and city is linked on this page.
Which city has the most insulating fire brick companies?
Zhengzhou leads with 23 company records, followed by Zibo (13) and Wankaner (8).
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 6,731 professional contacts with verified work emails tracked across these 847 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 847 insulating fire brick companies 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 insulating fire brick companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 847 matching company records for insulating fire brick companies worldwide, with 21,820 tracked contacts and 6,731 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: November 6, 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 insulating fire brick companies 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.comHQ: Vienna, OH, United StatesReported employees: 10001+ | Vienna, OH, United States | 10001+ | Exact match | 7,748 contacts → |
“At RHI Magnesita, we master heat, enabling global industries to build sustainable modern life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Calderyscalderys.comHQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,864 contacts → |
“Calderys is a leading global provider for industries operating in high-temperature conditions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  TRL Krosaki Refractories Limitedtrlkrosaki.comHQ: Jharsuguda, IndiaReported employees: 1,001-5,000 | Jharsuguda, India | 1,001-5,000 | Exact match | 965 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Harbisonwalker Internationalthinkhwi.comHQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 776 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  SPIspi-co.comHQ: Charlotte, CT, United StatesReported employees: 1,001-5,000 | Charlotte, CT, United States | 1,001-5,000 | Exact match | 502 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Unifraxunifrax.comHQ: Tonawanda, NY, United StatesReported employees: 1,001-5,000 | Tonawanda, NY, United States | 1,001-5,000 | Exact match | 426 contacts → |
“At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  KÜMAŞkumasref.comHQ: Kütahya, TürkiyeReported employees: 501-1,000 | Kütahya, Türkiye | 501-1,000 | Exact match | 229 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  NUTECnutec.comHQ: Huntersville, United StatesReported employees: 201-500 | Huntersville, United States | 201-500 | Exact match | 224 contacts → |
“NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Rath Grouprath-group.comHQ: Vienna, AustriaReported employees: 501-1,000 | Vienna, Austria | 501-1,000 | Exact match | 159 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Denver, AL, United StatesReported employees: 201-500 | Denver, AL, United States | 201-500 | Exact match | 150 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Refratechnik Grouprefra.comHQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 145 contacts → |
“The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Höganäs Borgestadhoganasborgestad.comHQ: Gävle, SwedenReported employees: 201-500 | Gävle, Sweden | 201-500 | Exact match | 133 contacts → |
“Höganäs Borgestad develops, manufactures and deliver refractory products, installations and turnkey solutions that enhance the productivity and competitiveness of industrial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Owens Corning Foamglas Industrial Insulationfoamglas.comHQ: Toledo, United StatesReported employees: 201-500 | Toledo, United States | 201-500 | Exact match | 101 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intherpro LLCintherpro.comHQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 98 contacts → |
“Intherpro LLC is the International Company for Thermal Insulation and Passive Fire Protection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Plibrico Companyplibrico.comHQ: Northbrook, IL, United StatesReported employees: 51-200 | Northbrook, IL, United States | 51-200 | Exact match | 81 contacts → |
“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Asfour For Mining & Refractoriesasfourmr.comHQ: Cairo, EgyptReported employees: 501-1,000 | Cairo, Egypt | 501-1,000 | Exact match | 80 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Shreeji Enterprisesshreejienterprise.comHQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 79 contacts → |
“We are pleased to introduce ourselves as a leading supplier of Ceramic Fibre Products, Insulation Bricks & Blocks, High Alumina Bricks, Grinding Media, Refractory Materials…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Fabrication Specialtiesfabricationspecialties.comHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 77 contacts → |
“Thermal & Acoustical Insulation supply & fabrication, fiberglass, mineral wool, ceramic fiber, biosoluble fiber, foam, gaskets, removable covers etc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Carboox Resende Industria E Comércio DE Refratários Ltdacarboox.com.brHQ: Resende, BrazilReported employees: 51-200 | Resende, Brazil | 51-200 | Exact match | 71 contacts → |
“It is settled in a m2 industrial área, located in Resende – Rio de Janeiro, Brazil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Insulcon B.V.insulcon.comHQ: Steenbergen (nb), NetherlandsReported employees: 51-200 | Steenbergen (nb), Netherlands | 51-200 | Exact match | 67 contacts → |
“The Insulcon Group is a leading international manufacturer and supplier of high-temperature and energy-saving solutions for the thermal process industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  United Refractories COurc4u.comHQ: Mcmurray, IN, United StatesReported employees: 201-500 | Mcmurray, IN, United States | 201-500 | Exact match | 65 contacts → |
“OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ONEXonexinc.comHQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 59 contacts → |
“Onex delivers complete industrial furnace and combustion solutions designed to improve reliability, efficiency, and operational performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  The Nelson Companiesnelsoninsulation.comHQ: Lake Zurich, IL, United StatesReported employees: 51-200 | Lake Zurich, IL, United States | 51-200 | Exact match | 54 contacts → |
“Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pacor INCpacorinc.comHQ: Bordentown, NJ, United StatesReported employees: 51-200 | Bordentown, NJ, United States | 51-200 | Exact match | 50 contacts → |
“With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Isolafácilisolafacil.com.brHQ: Mogi Das Cruzes, BrazilReported employees: 51-200 | Mogi Das Cruzes, Brazil | 51-200 | Exact match | 50 contacts → |
“Empresa fabricante de Isolamento Térmico e capas Corta Fogo para indústrias gerais.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 847 company matches
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Insulating fire brick companies: dataset insights
November 6, 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
826 records in the displayed employee bands.
21 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 847 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: November 6, 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 ↗
Insulating fire brick companies by location
6 lists · largest firstEvery Insulating fire brick companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Insulating fire brick companies based in India132
- Insulating fire brick companies based in the United States130
- Insulating fire brick companies based in Brazil38
- Insulating fire brick companies based in Germany35
- Insulating fire brick companies based in France31
- Insulating fire brick companies based in the United Kingdom30
Questions about this company list
What does Exact match mean for insulating fire brick companies?
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 insulating fire brick companies did RevenueBase find worldwide?
The saved snapshot records 847 matching company records, 21,820 tracked contacts and 6,731 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: November 6, 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 insulating fire brick companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/insulating-fire-brick-companies.
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 insulating fire brick companies worldwide
RevenueBase records 847 matching company records for insulating fire brick companies worldwide, with 21,820 tracked contacts and 6,731 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: November 6, 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 insulating fire brick companies 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, OH, United StatesReported employees: 10001+ | Vienna, OH, United States | 10001+ | Exact match | 7,748 contacts → |
“At RHI Magnesita, we master heat, enabling global industries to build sustainable modern life.” Recorded description excerpt · November 6, 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 | 1,864 contacts → |
“Calderys is a leading global provider for industries operating in high-temperature conditions.” Recorded description excerpt · November 6, 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 | 965 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 · November 6, 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 | 776 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SPIspi-co.com HQ: Charlotte, CT, United StatesReported employees: 1,001-5,000 | Charlotte, CT, United States | 1,001-5,000 | Exact match | 502 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Unifraxunifrax.com HQ: Tonawanda, NY, United StatesReported employees: 1,001-5,000 | Tonawanda, NY, United States | 1,001-5,000 | Exact match | 426 contacts → |
“At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | KÜMAŞkumasref.com HQ: Kütahya, TürkiyeReported employees: 501-1,000 | Kütahya, Türkiye | 501-1,000 | Exact match | 229 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | NUTECnutec.com HQ: Huntersville, United StatesReported employees: 201-500 | Huntersville, United States | 201-500 | Exact match | 224 contacts → |
“NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Rath Grouprath-group.com HQ: Vienna, AustriaReported employees: 501-1,000 | Vienna, Austria | 501-1,000 | Exact match | 159 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Denver, AL, United StatesReported employees: 201-500 | Denver, AL, United States | 201-500 | Exact match | 150 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Refratechnik Grouprefra.com HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 145 contacts → |
“The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Höganäs Borgestadhoganasborgestad.com HQ: Gävle, SwedenReported employees: 201-500 | Gävle, Sweden | 201-500 | Exact match | 133 contacts → |
“Höganäs Borgestad develops, manufactures and deliver refractory products, installations and turnkey solutions that enhance the productivity and competitiveness of industrial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Owens Corning Foamglas Industrial Insulationfoamglas.com HQ: Toledo, United StatesReported employees: 201-500 | Toledo, United States | 201-500 | Exact match | 101 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intherpro LLCintherpro.com HQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 98 contacts → |
“Intherpro LLC is the International Company for Thermal Insulation and Passive Fire Protection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Plibrico Companyplibrico.com HQ: Northbrook, IL, United StatesReported employees: 51-200 | Northbrook, IL, United States | 51-200 | Exact match | 81 contacts → |
“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Asfour For Mining & Refractoriesasfourmr.com HQ: Cairo, EgyptReported employees: 501-1,000 | Cairo, Egypt | 501-1,000 | Exact match | 80 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Shreeji Enterprisesshreejienterprise.com HQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 79 contacts → |
“We are pleased to introduce ourselves as a leading supplier of Ceramic Fibre Products, Insulation Bricks & Blocks, High Alumina Bricks, Grinding Media, Refractory Materials…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Fabrication Specialtiesfabricationspecialties.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 77 contacts → |
“Thermal & Acoustical Insulation supply & fabrication, fiberglass, mineral wool, ceramic fiber, biosoluble fiber, foam, gaskets, removable covers etc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Carboox Resende Industria E Comércio DE Refratários Ltdacarboox.com.br HQ: Resende, BrazilReported employees: 51-200 | Resende, Brazil | 51-200 | Exact match | 71 contacts → |
“It is settled in a m2 industrial área, located in Resende – Rio de Janeiro, Brazil.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Insulcon B.V.insulcon.com HQ: Steenbergen (nb), NetherlandsReported employees: 51-200 | Steenbergen (nb), Netherlands | 51-200 | Exact match | 67 contacts → |
“The Insulcon Group is a leading international manufacturer and supplier of high-temperature and energy-saving solutions for the thermal process industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | United Refractories COurc4u.com HQ: Mcmurray, IN, United StatesReported employees: 201-500 | Mcmurray, IN, United States | 201-500 | Exact match | 65 contacts → |
“OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ONEXonexinc.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 59 contacts → |
“Onex delivers complete industrial furnace and combustion solutions designed to improve reliability, efficiency, and operational performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Nelson Companiesnelsoninsulation.com HQ: Lake Zurich, IL, United StatesReported employees: 51-200 | Lake Zurich, IL, United States | 51-200 | Exact match | 54 contacts → |
“Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pacor INCpacorinc.com HQ: Bordentown, NJ, United StatesReported employees: 51-200 | Bordentown, NJ, United States | 51-200 | Exact match | 50 contacts → |
“With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Isolafácilisolafacil.com.br HQ: Mogi Das Cruzes, BrazilReported employees: 51-200 | Mogi Das Cruzes, Brazil | 51-200 | Exact match | 50 contacts → |
“Empresa fabricante de Isolamento Térmico e capas Corta Fogo para indústrias gerais.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 847 company matches
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Insulating fire brick companies: dataset insights
November 6, 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
826 records in the displayed employee bands.
21 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 847 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: November 6, 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 ↗
Insulating fire brick companies by location
6 lists · largest firstEvery Insulating fire brick companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Insulating fire brick companies based in India132
- Insulating fire brick companies based in the United States130
- Insulating fire brick companies based in Brazil38
- Insulating fire brick companies based in Germany35
- Insulating fire brick companies based in France31
- Insulating fire brick companies based in the United Kingdom30
Questions about this company list
What does Exact match mean for insulating fire brick companies?
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 insulating fire brick companies did RevenueBase find worldwide?
The saved snapshot records 847 matching company records, 21,820 tracked contacts and 6,731 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: November 6, 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 insulating fire brick companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/insulating-fire-brick-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗