Company lists · Data refreshed September 2026
Top 25 High temperature furnace manufacturers worldwide
RevenueBase identified 1,189 high temperature furnace manufacturers worldwide as of September 2026 and tracks 23,461 professional contacts across them, including 6,064 with verified work emails. India is the largest market and Chennai the largest hub.
This list covers high temperature furnace 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 high temperature furnace 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 high temperature furnace manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,193 contacts → | ||||
Strong 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 | 1,833 contacts → | ||||
Indirect evidence “The journey of Electrotherm began in 1983 and was based on openness for ideas, eagerness to innovate, supplemented by in-house research & development and focus on customer-centric…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 375 contacts → | ||||
Indirect evidence “WE BRING HEAT TO METAL.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 277 contacts → | ||||
Partial evidence “Heurtey Petrochem Solutions is a world leader in process furnaces for refining, petrochemicals, syngas and hydrogen markets.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 249 contacts → | ||||
Indirect evidence “WELCOME TO ALD VACUUM TECHNOLOGIES.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 234 contacts → | ||||
Partial evidence “Ajax TOCCO Magnethermic® designs and manufactures world class induction heating and melting equipment for various industries and applications throughout the world.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 218 contacts → | ||||
Indirect evidence “BTU International, a wholly-owned subsidiary of Amtech Group (Nasdaq: ASYS), is a global supplier and technology leader of advanced thermal processing equipment solutions in the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 211 contacts → | ||||
Indirect evidence “Insertec is a consolidated, 100% privately owned group operating internationally in the industrial heat sector.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 194 contacts → | ||||
Partial evidence “Global specialist in heat treatment furnace facilities.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 164 contacts → | ||||
Indirect evidence “Drever International has been dedicated to advancing the technology of heat processing equipment since 1966.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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. | |||||
| 12 | 152 contacts → | ||||
Partial evidence “ABP Induction is a manufacturer of industrial induction heating and melting equipment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 150 contacts → | ||||
Strong 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. | |||||
| 14 | 137 contacts → | ||||
Partial evidence “ONEJOON GmbH is a Germany-based thermal processing equipment manufacturer with locations in Bovenden and Böblingen.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 137 contacts → | ||||
Strong evidence “A leading manufacturer of quality based and most reliable equipment like- Induction Melting Furnace - Induction Heating & Hardening equipment - Vacuum Induction Melting Furnace -…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 135 contacts → | ||||
Partial evidence “Established in 2008, Aldzama proudly stands as Indonesia leading expert in furnace and kiln services With a steadfast dedication to safety, innovation, and sustainability, we…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 129 contacts → | ||||
Indirect evidence “AICHELIN UNITHERM HEAT TREATMENT SYSTEMS INDIA PVT.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 125 contacts → | ||||
Indirect evidence “Our success story goes back to the year 1924 when Otto Junker founded OTTO JUNKER GmbH and startet to build water-cooled moulds for making brass rolling slabs - an invention of…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 123 contacts → | ||||
Indirect evidence “Fundada em a Thermojet é líder em Engenharia Térmica na América Latina, com mais de aquecimentos realizados.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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. | |||||
| 21 | 114 contacts → | ||||
Indirect evidence “We have considerable experience in supplying custom-built equipment to suit highly specialized or individual requirements, enabling us to provide a comprehensive service and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 110 contacts → | ||||
Strong evidence “Bloom Engineering is the leading supplier of high temperature industrial burners and associated combustion equipment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 109 contacts → | ||||
Indirect evidence “Despatch is a member of ITW EAE, a division of Illinois Tools Works, Inc, and has specialized in thermal processing for over 100 years and is actively using this technical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 107 contacts → | ||||
Strong evidence “Thermal Product Solutions (TPS) designs and manufactures industrial and laboratory ovens and furnaces, and environmental temperature cycling and stability test chambers.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 106 contacts → | ||||
Partial evidence “With 600 employees worldwide, Nabertherm has been developing and manufacturing industrial kilns and furnaces for a wide range of applications for over 75 years.” 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: high temperature furnace 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 high temperature furnace manufacturers.
- Partial evidence
- Its own public description names part of high temperature furnace manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name high temperature furnace 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 1,189 high temperature furnace manufacturers worldwide
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High temperature furnace 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 high temperature furnace 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 high temperature furnace manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “high temperature furnace 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 high temperature furnace 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 high temperature furnace 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, 6,064 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.
High temperature furnace manufacturers by location
6 lists · largest firstEvery High temperature furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- High temperature furnace manufacturers based in India203
- High temperature furnace manufacturers based in the United States177
- High temperature furnace manufacturers based in Germany98
- High temperature furnace manufacturers based in Italy65
- High temperature furnace manufacturers based in the United Kingdom44
- High temperature furnace manufacturers based in Brazil38
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 high temperature furnace 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 high temperature furnace manufacturers are there worldwide?
RevenueBase identified 1,189 high temperature furnace 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 high temperature furnace manufacturers?
India leads with 203 companies, followed by the United States (177) and Germany (98). Every high temperature furnace manufacturers list by country and city is linked on this page.
Which city has the most high temperature furnace manufacturers?
Chennai leads with 18 headquartered companies, followed by Mumbai (14) and Bangalore (13).
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 6,064 verified decision-maker contacts tracked across these 1,189 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.