Company lists · Data refreshed September 2026
Top 25 Fireclay manufacturers worldwide
RevenueBase identified 1,704 fireclay manufacturers worldwide as of September 2026 and tracks 33,984 professional contacts across them, including 8,134 with verified work emails. India is the largest market and Zhengzhou the largest hub.
This list covers fireclay manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for fireclay manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 fireclay manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,193 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,724 contacts → | ||||
Indirect evidence “Calderys is a leading global provider for industries operating in high-temperature conditions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,225 contacts → | ||||
Partial evidence “To join the Acme Brick team, go to: Acme Brick Company, founded in 1891, is the world’s largest U.S-owned brick manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 941 contacts → | ||||
Indirect evidence “Established in 1958, TRL Krosaki Refractories Limited (formerly Tata Refractories Limited (TRL)) has pioneered refractory production in India and have extended its supply and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 750 contacts → | ||||
Indirect evidence “HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 688 contacts → | ||||
Indirect evidence “We are IBAR, the Brazilian representative for the development of advanced solutions in refractory materials technology for 80 years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 340 contacts → | ||||
Indirect evidence “Corobrik has been shaping South Africa’s spaces for since 1902 with locally made, durable, and design-driven clay bricks and paving.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 254 contacts → | ||||
Partial evidence “Indo Porcelain is one of Asia’s premier white porcelain tableware manufacturers and was acquired by Gunung Sewu in 1979.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 229 contacts → | ||||
Indirect evidence “Bouyer Leroux regroupe les activités « terre cuite » du groupe Bouyer Leroux, faisant ainsi de la marque Biobric le numéro 1 français sur les marchés des briques de mur et briques…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 223 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 210 contacts → | ||||
Indirect evidence “Resco Products has been servicing the refractory industry for over half a century and grown to 11 facilities across North America which gives us the unique ability to service our…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 180 contacts → | ||||
Indirect evidence “Mahakoshal Refractories Pvt.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 174 contacts → | ||||
Indirect evidence “Founded in 1998, the Portuguese company has developed a unique expertise in designing and manufacturing fine stoneware products, from tableware, kitchenware and bakeware to…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 163 contacts → | ||||
Indirect evidence “Saint-Gobain Performance Ceramics & Refractories, leads the industry in design, development and production of engineered ceramics and refractory products for extreme operating…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 157 contacts → | ||||
Indirect evidence “Somos fabricantes de fritas, esmaltes y colores cerámicos, productos utilizados en la industria de la baldosa cerámica.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 155 contacts → | ||||
Indirect evidence “Muito mais que um negocio, representamos uma grande família, é com muito orgulho e gratidão a cada um de vocês, colaboradores, fornecedores, equipe comercial, cliente parceiros…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 150 contacts → | ||||
Indirect evidence “RATH is a refractory producer and is specializing in high temperature heat containment, thermal processing, and thermal measurement needs of its customers.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 138 contacts → | ||||
Indirect evidence “Sarvesh was incorporated in the year 1993, having two State-of-the-Art manufacturing facilities in Odisha.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 128 contacts → | ||||
Indirect evidence “1997 yılında; kalite yönetimi ve müşterilerine hizmet noktasında mükemmelliği amaçlayarak dürüstlüğü ilke edinen, çalışanlarıyla ve dinamik yapısıyla genç bir kurum olan Graniser…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 128 contacts → | ||||
Indirect evidence “The Refratechnik Group is a global network of companies, active in the refractory and raw material business.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 120 contacts → | ||||
Partial evidence “The Onyx Collection manufactures shower bases, shower pans, lavatories, tub surrounds, fireplace hearths, slabs, seats, trim and other shower accessories to your specifications in…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 119 contacts → | ||||
Partial evidence “Höganäs Borgestad develops, manufactures and deliver refractory products, installations and turnkey solutions that enhance the productivity and competitiveness of industrial…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 119 contacts → | ||||
Indirect evidence “A Gres Panaria Portugal S.A.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 116 contacts → | ||||
Indirect evidence “For over 45 years, INTOCAST AG has been one of the worldwide leading specialists for refractory products and plant engineering.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 114 contacts → | ||||
Indirect evidence “We have been working for over 50 years to bring to you timeless Ceramics.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: fireclay manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names fireclay manufacturers.
- Partial evidence
- Its own public description names part of fireclay manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name fireclay manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,704 fireclay manufacturers worldwide
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Fireclay manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among fireclay manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for fireclay manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “fireclay manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names fireclay manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among fireclay manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 8,134 across the full list. 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 September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Fireclay manufacturers by location
10 lists · largest firstEvery Fireclay manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Fireclay manufacturers based in India272
- Fireclay manufacturers based in the United States160
- Fireclay manufacturers based in Brazil147
- Fireclay manufacturers based in Italy88
- Fireclay manufacturers based in Germany82
- Fireclay manufacturers based in the United Kingdom68
- Fireclay manufacturers based in Spain62
- Fireclay manufacturers based in Türkiye49
- Fireclay manufacturers based in France45
- Fireclay manufacturers based in Portugal25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names fireclay manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many fireclay manufacturers are there worldwide?
RevenueBase identified 1,704 fireclay manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
RHI Magnesita, headquartered in Vienna, tops this list with the largest team on record.
Which country has the most fireclay manufacturers?
India leads with 272 companies, followed by the United States (160) and Brazil (147). Every fireclay manufacturers list by country and city is linked on this page.
Which city has the most fireclay manufacturers?
Zhengzhou leads with 22 headquartered companies, followed by Morbi (21) and Ahmedabad (12).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 8,134 verified decision-maker contacts tracked across these 1,704 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.