Company lists · Data refreshed November 2026

Top 25 Heat treating services based in the United States

RevenueBase identified 293 company matches for heat treating services associated with the United States as of November 2026 and tracks 5,017 professional contacts across them, including 1,606 with verified work emails. Houston is the largest hub.

This list covers company matches for heat treating services 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 November 6, 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 Nov 6, 2026 How this list was built
293Companies
5,017Contacts tracked
1,606Verified emails
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The 25 largest heat treating services based in the United States

Ranked by team size
Top 25 of 293 company matches for heat treating services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchNew Lenox, LA, United StatesHQ recorded Nov 6, 2026501-1,000390 contacts →

Exact match

“Superheat was founded on the principle that cutting-edge technology can offer a Better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLafayette, LA, United StatesHQ recorded Nov 6, 2026201-500207 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, TN, United StatesHQ recorded Nov 6, 2026201-500198 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGreenville, SC, United StatesHQ recorded Nov 6, 2026201-500137 contacts →

Exact match

“Bluewater Thermal Solutions (BTS) is the largest commercial thermal solutions provider based in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRancocas, NJ, United StatesHQ recorded Nov 6, 202651-200124 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLakeville, MN, United StatesHQ recorded Nov 6, 202651-200122 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSouderton, MI, United StatesHQ recorded Nov 6, 2026201-500116 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPekin, IL, United StatesHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“Manufacturing Maintenance Solutions, Inc (MMS) is a service organization dedicated to enhancing its customers' profitability by providing expert manufacturing equipment contract…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWaterloo, IA, United StatesHQ recorded Nov 6, 202651-20095 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBuffalo, NY, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Harper International is a global leader in complete thermal processing solutions and technical services for the production of advanced materials, including Furnaces, Kilns…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWixom, MI, United StatesHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Global supplier of industrial Heat Treating Equipment, serving a variety of markets worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDaytona Beach, NJ, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“We are a commercial heat treater that processes parts for a wide variety of manufacturers and industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchFraser, MI, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Specialty Steel Treating, founded 1956, has been performing precision heat treating for more than 60 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNederland, TX, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Taking the stress out of your project.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchWaukesha, WI, United StatesHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“A privately held, commercial heat-treating company, ThermTech provides value added services to the Forging, Foundry, Machining, and Tool & Die markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMaumee, OH, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Surface Combustion provides a single source for atmosphere and vacuum heat treatment furnaces for the global manufacturing company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIxonia, WI, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“In some of the brightest minds in the oven and heat-treating industry combined hundreds of years of experience to form HeatTek.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMadison Heights, MI, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Curtis Metal Finishing Group is the largest heat treatment and finishing operation in North America with locations in Michigan and Illinois serving the automotive, heavy truck…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLaporte, TX, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“Heat treatment means reliable performance in the most critical and demanding environments of industry, where vital components cannot fail without major consequences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSt. Marys, PA, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Abbott Furnace is an industrial furnace manufacturer with over 40 years of experience designing and producing some of the industry’s most reliable and high performing industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRed Wing, MN, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Mactech is one of the world’s foremost providers of on-site machining services, on-site heat treating services, and stress-relieving equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilwaukee, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Founded in 1946, Radyne is part of the world's largest supplier of induction heating, melting, thermal processing & production systems for the metals and materials industry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWinston Salem, United StatesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Thermcraft is an international leading manufacturer of thermal processing equipment including industrial and laboratory furnaces, industrial ovens, high temperature ceramic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWadsworth, OH, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“EBNER is one of the leading manufacturers of heat treatment facilities for the metals industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLansdale, PA, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“A family-owned company since 1938, Rex Heat Treat has grown to become a preeminent commercial heat treat company in the US.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 293 heat treating services based in the United States

See the full list, filter by size, metro and specialty, and access 1,606 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heat treating services based in the United States at a glance

As of Nov 6, 2026
32.0%Verified-email coverage
17.1Average contacts per company
11-50Median size (employees)
3.4%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
88
11-50
127
51-200
65
201-500
10
501-1,000
2

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 293 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 “heat treating services” 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 1,606 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 November 6, 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 “heat treating services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heat treating services are there based in the United States?

RevenueBase identified 293 company matches for heat treating services associated with the United States as of November 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?

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

Which city has the most heat treating services?

Houston leads with 10 company records, followed by Warren (6) and Cleveland (5).

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 1,606 professional contacts with verified work emails tracked across these 293 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 November 6, 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.