Company lists · Data refreshed September 2026

Top 25 Hardening and tempering companies worldwide

RevenueBase identified 962 company matches for hardening and tempering companies worldwide as of September 2026 and tracks 12,016 professional contacts across them, including 3,201 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for hardening and tempering companies 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 September 20, 2026. Country and city lists for hardening and tempering companies 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 Sep 20, 2026 How this list was built
962Companies
12,016Contacts tracked
3,201Verified emails
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The 25 largest hardening and tempering companies worldwide

Ranked by team size
Top 25 of 962 company matches for hardening and tempering companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchMacclesfield, United KingdomHQ recorded Sep 20, 20265,001-10,0002,940 contacts →

Exact match

“With more than 165 locations in 22 countries, Bodycote is the world’s leading provider of heat treatment and specialist thermal processing services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchSwiebodzin, PolandHQ recorded Sep 20, 2026501-1,000366 contacts →

Exact match

“SECO/WARWICK is the 1st choice supplier of solutions for heat treatment and metallurgy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLeonding, AustriaHQ recorded Sep 20, 20261,001-5,000194 contacts →

Exact match

“Global specialist in heat treatment furnace facilities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLafayette, LA, United StatesHQ recorded Sep 20, 2026201-500190 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 20, 2026 · View company records in RevenueBase
5Exact matchSt. Louis, MO, United StatesHQ recorded Sep 20, 2026201-500182 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 20, 2026 · View company records in RevenueBase
6Exact matchCrystal Lake, IL, United StatesHQ recorded Sep 20, 2026201-500178 contacts →

Exact match

“Established in 1881, TC Industries, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchParel, IndiaHQ recorded Sep 20, 2026201-500161 contacts →

Exact match

“is a leading engineering company specializing in commercial atmospheric heat treatment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchPune, IndiaHQ recorded Sep 20, 202651-200129 contacts →

Exact match

“AICHELIN UNITHERM HEAT TREATMENT SYSTEMS INDIA PVT.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchGreenville, SC, United StatesHQ recorded Sep 20, 2026201-500123 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 20, 2026 · View company records in RevenueBase
10Exact matchSouderton, PA, United StatesHQ recorded Sep 20, 2026201-500109 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 20, 2026 · View company records in RevenueBase
11Exact matchWaterloo, IA, United StatesHQ recorded Sep 20, 202651-20088 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 20, 2026 · View company records in RevenueBase
12Exact matchWixom, MI, United StatesHQ recorded Sep 20, 202651-20086 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchDaytona Beach, FL, United StatesHQ recorded Sep 20, 202651-20085 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 · Sep 20, 2026 · View company records in RevenueBase
14Exact matchOakville, ON, CanadaHQ recorded Sep 20, 2026201-50083 contacts →

Exact match

“60 Years of Innovative Materials Solutions VAC AERO offers vacuum heat treating and coating services and manufactures vacuum furnaces for aerospace and high-tech industries…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchSacramento, CA, United StatesHQ recorded Sep 20, 202651-20079 contacts →

Exact match

“We are an engineering company that provides metallurgical/materials joining services and creates quality products.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchFraser, MI, United StatesHQ recorded Sep 20, 202651-20077 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 · Sep 20, 2026 · View company records in RevenueBase
17Exact matchKennesaw, GA, United StatesHQ recorded Sep 20, 202651-20075 contacts →

Exact match

“Welcome to CEC!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchSão Leopoldo, BrazilHQ recorded Sep 20, 202651-20072 contacts →

Exact match

“Soluções completas para Indústria!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchWaukesha, WI, United StatesHQ recorded Sep 20, 202651-20069 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 · Sep 20, 2026 · View company records in RevenueBase
20Exact matchIxonia, WI, United StatesHQ recorded Sep 20, 202651-20066 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 · Sep 20, 2026 · View company records in RevenueBase
21Exact matchMarchtrenk, AustriaHQ recorded Sep 20, 2026201-50066 contacts →

Exact match

“RUBIG is your partner for any concerns regarding forging, hardening, nitriding or coating of steel and the construction of customer specific heat treatment furnaces.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchMaumee, OH, United StatesHQ recorded Sep 20, 202651-20063 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 · Sep 20, 2026 · View company records in RevenueBase
23Exact matchRemscheid, GermanyHQ recorded Sep 20, 2026201-50059 contacts →

Exact match

“In-depth know-how of and decades of experience in industrial heating and heat treatment of metals through induction, applied to enable our customers to realize better bottom lines…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchMadison Heights, MI, United StatesHQ recorded Sep 20, 202651-20059 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 · Sep 20, 2026 · View company records in RevenueBase
25Exact matchAlsdorf, GermanyHQ recorded Sep 20, 2026201-50055 contacts →

Exact match

“We improve what matters.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 962 hardening and tempering companies worldwide

See the full list, filter by size, metro and specialty, and access 3,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hardening and tempering companies worldwide at a glance

As of Sep 20, 2026
26.6%Verified-email coverage
12.5Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Bangalore
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
280
11-50
410
51-200
215
201-500
31
501-1,000
8
1,001-5,000
4
5,001-10,000
1

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 hardening and tempering companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “hardening and tempering 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. 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 3,201 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 20, 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.

Hardening and tempering companies by location

6 lists · largest first

Every Hardening and tempering companies 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 “hardening and tempering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hardening and tempering companies are there worldwide?

RevenueBase identified 962 company matches for hardening and tempering companies worldwide 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?

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

Which country has the most hardening and tempering companies?

The United States leads with 224 companies, followed by India (117) and Italy (104). Every hardening and tempering companies list by country and city is linked on this page.

Which city has the most hardening and tempering companies?

Bangalore leads with 14 company records, followed by Chennai (12) and Pune (12).

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 3,201 professional contacts with verified work emails tracked across these 962 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 20, 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.