Company lists · Data refreshed October 2026

Top 25 Industrial heater manufacturers worldwide

RevenueBase identified 3,619 company matches for industrial heater manufacturers worldwide as of October 2026 and tracks 60,723 professional contacts across them, including 14,510 with verified work emails. India is the largest market and Ahmedabad the largest hub.

This list covers company matches for industrial heater 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 16, 2026. Country and city lists for industrial heater 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 16, 2026 How this list was built
3,619Companies
60,723Contacts tracked
14,510Verified emails
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The 25 largest industrial heater manufacturers worldwide

Ranked by team size
Top 25 of 3,619 company matches for industrial heater manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 matchSt. Louis, NY, United StatesHQ recorded Oct 16, 20261,001-5,0002,039 contacts →

Exact match

“Watlow is a global industrial technology company that uses its world-class engineering expertise, advanced thermal systems and manufacturing excellence to provide a wide array of…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchAhmedabad, IndiaHQ recorded Oct 16, 20261,001-5,0001,844 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchTulsa, OK, United StatesHQ recorded Oct 16, 20261,001-5,0001,315 contacts →

Exact match

“Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Oct 16, 20261,001-5,000960 contacts →

Exact match

“Industrial Process Heating Solutions Through its global network, Thermon provides safe, reliable and innovative mission critical industrial process heating solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchPune, IndiaHQ recorded Oct 16, 20261,001-5,000862 contacts →

Exact match

“Thermax Babcock & Wilcox Energy Solutions (TBWES), a wholly-owned subsidiary of Thermax Limited, provides equipment and complete solutions for generating steam for process and…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchPittsburgh, PA, United StatesHQ recorded Oct 16, 20261,001-5,000654 contacts →

Exact match

“When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7Exact matchTaneytown, MD, United StatesHQ recorded Oct 16, 20261,001-5,000584 contacts →

Exact match

“At EVAPCO, we are more than a manufacturer-we are a global team of employee-owners committed to delivering innovative heat transfer solutions for customers worldwide.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8Exact matchCalgary, AB, CanadaHQ recorded Oct 16, 20261,001-5,000478 contacts →

Exact match

“Engineered Air is one of North America's largest manufacturers of Heating, Air Conditioning, Ventilation, Refrigeration, Energy Recovery and Heat Transfer Products.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchJundiaí, BrazilHQ recorded Oct 16, 2026501-1,000460 contacts →

Exact match

“A CBC projeta e produz uma extensa linha de equipamentos pesados em que se destacam: trocadores de calor; reatores de processo; torres e colunas de processo; vasos de pressão e…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchHallstahammar, ItalyHQ recorded Oct 16, 20261,001-5,000415 contacts →

Exact match

“Electrification of heating processes is a key enabler for a fossil-free industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11Exact matchBuffalo, NY, United StatesHQ recorded Oct 16, 20261,001-5,000379 contacts →

Exact match

“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchRancocas, NJ, United StatesHQ recorded Oct 16, 20261,001-5,000378 contacts →

Exact match

“WE BRING HEAT TO METAL.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchZoeterwoude, NetherlandsHQ recorded Oct 16, 2026201-500348 contacts →

Exact match

“NEM is a global player in the power generation sector, committed to making a tangible impact on creating a better world.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchLebanon, TN, IndiaHQ recorded Oct 16, 2026201-500346 contacts →

Exact match

“Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15Exact matchHelsinki, FinlandHQ recorded Oct 16, 20261,001-5,000327 contacts →

Exact match

“We are Purmo Group, leader in sustainable indoor climate comfort solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Oct 16, 2026201-500306 contacts →

Exact match

“Fives’ subsidiaries in the Energy | Combustion business line design and manufacture burners, controls and customized combustion systems for a wide range of industry applications…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17Exact matchBatavia, NY, United StatesHQ recorded Oct 16, 2026201-500289 contacts →

Exact match

“Graham Manufacturing, a GHM Company, designs and builds vacuum and heat transfer equipment for process industries worldwide.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18Exact matchRueil-malmaison, FranceHQ recorded Oct 16, 20261,001-5,000286 contacts →

Exact match

“Heurtey Petrochem Solutions is a world leader in process furnaces for refining, petrochemicals, syngas and hydrogen markets.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19Exact matchCary, IL, United StatesHQ recorded Oct 16, 2026201-500273 contacts →

Exact match

“Durex Industries has over 40 years of excellence in designing and manufacturing custom thermal solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20Exact matchGdynia, PolandHQ recorded Oct 16, 2026501-1,000248 contacts →

Exact match

“AIC is going its way in the field of advanced heat transfer solutions.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21Exact matchOxnard, United StatesHQ recorded Oct 16, 2026501-1,000245 contacts →

Exact match

“For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchWarren, OH, United StatesHQ recorded Oct 16, 2026201-500233 contacts →

Exact match

“Ajax TOCCO Magnethermic® designs and manufactures world class induction heating and melting equipment for various industries and applications throughout the world.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23Exact matchLa Palma, CA, United StatesHQ recorded Oct 16, 2026201-500233 contacts →

Exact match

“At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24Exact matchMalatya, TürkiyeHQ recorded Oct 16, 2026501-1,000232 contacts →

Exact match

“Mimsan Grup; Yakma ve Enerji Sistemleri Üreten 41 Yıllık Bir Deneyime Sahip Endüstri Firmasıdır.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchWestford, MA, United StatesHQ recorded Oct 16, 2026201-500229 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 3,619 industrial heater manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 14,510 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial heater manufacturers worldwide at a glance

As of Oct 16, 2026
23.9%Verified-email coverage
16.8Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Ahmedabad
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
1,069
11-50
1,321
51-200
865
201-500
207
501-1,000
66
1,001-5,000
51
5,001-10,000
7
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 industrial heater manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “industrial heater 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 14,510 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 16, 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.

Industrial heater manufacturers by location

17 lists · largest first

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

Countries

Cities

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 “industrial heater manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial heater manufacturers are there worldwide?

RevenueBase identified 3,619 company matches for industrial heater 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?

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

Which country has the most industrial heater manufacturers?

India leads with 592 companies, followed by the United States (522) and Germany (235). Every industrial heater manufacturers list by country and city is linked on this page.

Which city has the most industrial heater manufacturers?

Ahmedabad leads with 49 company records, followed by Pune (45) and Mumbai (39).

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 14,510 professional contacts with verified work emails tracked across these 3,619 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 16, 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.