Company lists · Data refreshed September 2026

Top 25 Industrial thermal processing companies based in the United States

Name: Industrial thermal processing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 502 companies tracked

RevenueBase identified 502 company matches for industrial thermal processing companies associated with the United States as of September 2026 and tracks 11,575 professional contacts across them, including 4,260 with verified work emails. Houston is the largest hub.

This list covers company matches for industrial thermal processing companies associated with the United States, 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 September 17, 2026.

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 Sep 17, 2026 How this list was built

502Companies

11,575Contacts tracked

4,260Verified emails

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The 25 largest industrial thermal processing companies based in the United States

Ranked by team size

Top 25 of 502 company matches for industrial thermal processing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Thermon	Exact match	Austin, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	901 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 · Sep 17, 2026 · View company records in RevenueBase
2	Chromalox	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 17, 2026	1,001-5,000	635 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 · Sep 17, 2026 · View company records in RevenueBase
3	Superheat	Exact match	New Lenox, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	376 contacts →
	Exact match “Superheat was founded on the principle that cutting-edge technology can offer a Better.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Inductotherm Group	Exact match	Rancocas, NJ, United StatesHQ recorded Sep 17, 2026	1,001-5,000	375 contacts →
	Exact match “WE BRING HEAT TO METAL.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Horton, INC	Exact match	Roseville, MN, United StatesHQ recorded Sep 17, 2026	201-500	267 contacts →
	Exact match “As a global leader in thermal control for power systems, Horton® offers a variety of technologies for transportation and industrial applications to operate at the optimal…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Eisenmann INC	Exact match	Greenville, SC, United StatesHQ recorded Sep 17, 2026	501-1,000	241 contacts →
	Exact match “Eisenmann is a leading international technology provider for custom-designed surface finishing, material flow automation, environmental as well as process & high-temperature…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Ajaxtocco Magnethermic	Exact match	Warren, OH, United StatesHQ recorded Sep 17, 2026	201-500	234 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 · Sep 17, 2026 · View company records in RevenueBase
8	BTU International	Exact match	Westford, MA, United StatesHQ recorded Sep 17, 2026	201-500	218 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 · Sep 17, 2026 · View company records in RevenueBase
9	Analytic Stress Relieving LLC	Exact match	Lafayette, LA, United StatesHQ recorded Sep 17, 2026	201-500	190 contacts →
	Exact match “Analytic Stress made a commitment to quality, safety, and the customer when the company started in the Fall of 1979.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Advanced Cooling Technologies, INC	Exact match	Lancaster, PA, United StatesHQ recorded Sep 17, 2026	201-500	190 contacts →
	Exact match “What We Do ACT develops passive and active thermal solutions for demanding environments where performance margins are tight and failure is costly.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Therm-X, California	Exact match	Hayward, CA, United StatesHQ recorded Sep 17, 2026	201-500	189 contacts →
	Exact match “Established in 1983, Therm-x takes pride in delivering thermal solutions incorporating our vertical integration capabilities including; Thermal Design and Test, CNC Machining…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Aalberts Surface Technologies	Exact match	St. Louis, MO, United StatesHQ recorded Sep 17, 2026	201-500	182 contacts →
	Exact match “Aalberts surface technologies - Paulo, delivers precision heat treating and thermal processing services that push the boundaries of what’s possible in metallurgical science.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Heatron	Exact match	Leavenworth, KS, United StatesHQ recorded Sep 17, 2026	201-500	123 contacts →
	Exact match “Heatron's engineers are experts in thermal management.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Bluewater Thermal Solutions	Exact match	Greenville, SC, United StatesHQ recorded Sep 17, 2026	201-500	123 contacts →
	Exact match “Bluewater Thermal Solutions (BTS) is the largest commercial thermal solutions provider based in North America.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Therma-Tron-X, Inc. TTX	Exact match	Sturgeon Bay, WI, United StatesHQ recorded Sep 17, 2026	201-500	119 contacts →
	Exact match “Therma-Tron-X, a family owned and operated company, was founded in 1969 as a manufacturer of custom-built industrial ovens.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Consarc Corporation	Exact match	Rancocas, NJ, United StatesHQ recorded Sep 17, 2026	51-200	114 contacts →
	Exact match “We have considerable experience in supplying custom-built equipment to suit highly specialized or individual requirements, enabling us to provide a comprehensive service and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Solar Atmospheres, INC	Exact match	Souderton, PA, United StatesHQ recorded Sep 17, 2026	201-500	109 contacts →
	Exact match “Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Despatch - ITW EAE	Exact match	Lakeville, MN, United StatesHQ recorded Sep 17, 2026	51-200	109 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Hydro-Thermal Corporation	Exact match	Waukesha, WI, United StatesHQ recorded Sep 17, 2026	51-200	108 contacts →
	Exact match “Hydro-Thermal helps global manufacturers maintain product quality by heating liquids and process fluids reliably and to precise temperatures for a multitude of direct steam…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Industrial Thermal Services, LLC	Exact match	Nederland, TX, United StatesHQ recorded Sep 17, 2026	51-200	108 contacts →
	Exact match “Taking the stress out of your project.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Alkar INC	Exact match	Lodi, WI, United StatesHQ recorded Sep 17, 2026	51-200	108 contacts →
	Exact match “ALKAR manufactures the world’s most extensive line of Continuous Thermal Meat Processing Systems for cooking, smoking, chilling and pasteurization.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Thermal Product Solutions	Exact match	New Columbia, PA, United StatesHQ recorded Sep 17, 2026	51-200	107 contacts →
	Exact match “Thermal Product Solutions (TPS) designs and manufactures industrial and laboratory ovens and furnaces, and environmental temperature cycling and stability test chambers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Retech A Seco Warwick Company	Exact match	Buffalo, NY, United StatesHQ recorded Sep 17, 2026	51-200	98 contacts →
	Exact match “Since 1963, Retech has been a global leader in the supply of metallurgical processing equipment for demanding industries in ever-changing markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Advanced Heat Treat Corp	Exact match	Waterloo, IA, United StatesHQ recorded Sep 17, 2026	51-200	88 contacts →
	Exact match “Advanced Heat Treat Corp.(AHT) is a recognized leader in providing heat treat services and superior metallurgical solutions to companies across the globe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Afc-Holcroft	Exact match	Wixom, MI, United StatesHQ recorded Sep 17, 2026	51-200	86 contacts →
	Exact match “Global supplier of industrial Heat Treating Equipment, serving a variety of markets worldwide.” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial thermal processing 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 502 industrial thermal processing companies based in the United States

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Industrial thermal processing companies based in the United States at a glance

As of Sep 17, 2026

36.8%Verified-email coverage

23.1Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

154

11-50

213

51-200

104

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 502 companies.

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.
What qualifies: Company records associated with the United States whose business descriptions match “industrial thermal processing 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,260 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 September 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.

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 thermal processing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial thermal processing companies are there based in the United States?

RevenueBase identified 502 company matches for industrial thermal processing companies associated with the United States as of September 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?

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

Which city has the most industrial thermal processing companies?

Houston leads with 16 company records, followed by Cleveland (11) and Warren (7).

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 4,260 professional contacts with verified work emails tracked across these 502 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 September 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.