Company lists · Data refreshed October 2026

Top 25 Magnesia refractory manufacturers worldwide

RevenueBase identified 666 company matches for magnesia refractory manufacturers worldwide as of October 2026 and tracks 18,066 professional contacts across them, including 5,073 with verified work emails. India is the largest market and Zhengzhou the largest hub.

This list covers company matches for magnesia refractory manufacturers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 17, 2026. Country and city lists for magnesia refractory manufacturers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 17, 2026 How this list was built
666Companies
18,066Contacts tracked
5,073Verified emails
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The 25 largest magnesia refractory manufacturers worldwide

Ranked by team size
Top 25 of 666 company matches for magnesia refractory manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchVienna, United StatesHQ recorded Oct 17, 202610001+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 17, 2026 · View company records in RevenueBase
2Exact matchJharsuguda, IndiaHQ recorded Oct 17, 20261,001-5,000937 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 17, 2026 · View company records in RevenueBase
3Exact matchPittsburgh, PA, United StatesHQ recorded Oct 17, 20261,001-5,000781 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 17, 2026 · View company records in RevenueBase
4Exact matchPoá, BrazilHQ recorded Oct 17, 20261,001-5,000747 contacts →

Exact match

“We are IBAR, the Brazilian representative for the development of advanced solutions in refractory materials technology for 80 years.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5Exact matchKütahya, TürkiyeHQ recorded Oct 17, 2026501-1,000234 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 17, 2026 · View company records in RevenueBase
6Exact matchKatni, IndiaHQ recorded Oct 17, 20261,001-5,000184 contacts →

Exact match

“Mahakoshal Refractories Pvt.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7Exact matchVienna, AustriaHQ recorded Oct 17, 2026501-1,000153 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 17, 2026 · View company records in RevenueBase
8Exact matchRourkela, IndiaHQ recorded Oct 17, 2026201-500148 contacts →

Exact match

“Sarvesh was incorporated in the year 1993, having two State-of-the-Art manufacturing facilities in Odisha.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9Exact matchWaynesville, NC, United StatesHQ recorded Oct 17, 2026201-500140 contacts →

Exact match

“Premier Magnesia, LLC is a global market leader in magnesia-based products and solutions for dozens of applications ranging from agricultural to industrial and environmental…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10Exact matchMunich, GermanyHQ recorded Oct 17, 20261,001-5,000140 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 17, 2026 · View company records in RevenueBase
11Exact matchGävle, SwedenHQ recorded Oct 17, 2026201-500119 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 17, 2026 · View company records in RevenueBase
12Exact matchRatingen, GermanyHQ recorded Oct 17, 20261,001-5,000115 contacts →

Exact match

“For over 45 years, INTOCAST AG has been one of the worldwide leading specialists for refractory products and plant engineering.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13Exact matchDeerfield, IL, United StatesHQ recorded Oct 17, 202651-20090 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 17, 2026 · View company records in RevenueBase
14Exact matchBuxton, United KingdomHQ recorded Oct 17, 202651-20084 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 17, 2026 · View company records in RevenueBase
15Exact matchRockhampton, AustraliaHQ recorded Oct 17, 2026201-50081 contacts →

Exact match

“QMAG owns one of the world’s largest deposits of cryptocrystalline magnesite, known for its the superior characteristics of high reactivity and greater surface area.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16Exact matchSalinas, SpainHQ recorded Oct 17, 2026201-50080 contacts →

Exact match

“Pasek is an industrial company with more than 50 years of experience, specialising in thermal processes and refractory solutions for the most demanding environments in industry.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17Exact matchNorthbrook, IL, United StatesHQ recorded Oct 17, 202651-20078 contacts →

Exact match

“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18Exact matchCairo, EgyptHQ recorded Oct 17, 2026501-1,00077 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 17, 2026 · View company records in RevenueBase
19Exact matchAhmedabad, IndiaHQ recorded Oct 17, 202611-5077 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 · Oct 17, 2026 · View company records in RevenueBase
20Exact matchClowne, United KingdomHQ recorded Oct 17, 2026201-50074 contacts →

Exact match

“Capital Refractories supplies refractory linings and associated products to metal melting, foundry and cement industries around the world.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21Exact matchBrumado, BrazilHQ recorded Oct 17, 2026201-50074 contacts →

Exact match

“SOMOS XILOLITE!”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22Exact matchPomerode, BrazilHQ recorded Oct 17, 202651-20050 contacts →

Exact match

“A EKW do Brasil é uma empresa que surgiu em 11 de julho de 2002, a partir de uma união da EKW GmbH(Alemanha) e Cerâmica Ziegler (Brasil).”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23Exact matchGuadalupe, MexicoHQ recorded Oct 17, 2026n/a49 contacts →

Exact match

“Vesuvius es un líder mundial en el diseño, ingeniería, fabricación y entrega de productos refractarios, sistemas y servicios para aplicaciones industriales de alta tecnología-…”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24Exact matchTehran, IranHQ recorded Oct 17, 202651-20049 contacts →

Exact match

“Patron Group (Pat Roshan Nikta) is a private company, active in Steel Industry, Petrochemical Industries, & Cement Industries.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25Exact matchIlmenau, GermanyHQ recorded Oct 17, 20261,001-5,00047 contacts →

Exact match

“QSIL is a leading international specialist for refractory, high-temperature and high-purity high-performance materials.”

Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase

Showing 25 of 666 magnesia refractory manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 5,073 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Magnesia refractory manufacturers worldwide at a glance

As of Oct 17, 2026
28.1%Verified-email coverage
27.1Average contacts per company
11-50Median size (employees)
3.2%Largest-city concentration · Zhengzhou
Oct 17, 2026Page data refreshed

Companies by employee count

1-10
157
11-50
178
51-200
181
201-500
84
501-1,000
33
1,001-5,000
19
5,001-10,000
6
10001+
4

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for magnesia refractory manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “magnesia refractory manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 5,073 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 17, 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.

Magnesia refractory manufacturers by location

2 lists · largest first

Every Magnesia refractory manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “magnesia refractory manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many magnesia refractory manufacturers are there worldwide?

RevenueBase identified 666 company matches for magnesia refractory manufacturers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

RHI Magnesita tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most magnesia refractory manufacturers?

India leads with 151 companies, followed by the United States (55). Every magnesia refractory manufacturers list by country and city is linked on this page.

Which city has the most magnesia refractory manufacturers?

Zhengzhou leads with 21 company records, followed by Jaipur (9) and Wankaner (9).

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 5,073 professional contacts with verified work emails tracked across these 666 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 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.