Company lists · Data refreshed November 2026

Top 25 Steel hardening services worldwide

RevenueBase identified 570 company matches for steel hardening services worldwide as of November 2026 and tracks 8,017 professional contacts across them, including 2,033 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for steel hardening services 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 November 2, 2026. Country and city lists for steel hardening services 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 Nov 2, 2026 How this list was built
570Companies
8,017Contacts tracked
2,033Verified emails
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The 25 largest steel hardening services worldwide

Ranked by team size
Top 25 of 570 company matches for steel hardening services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 Nov 2, 20265,001-10,0003,071 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 · Nov 2, 2026 · View company records in RevenueBase
2Exact matchLafayette, LA, United StatesHQ recorded Nov 2, 2026201-500202 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 2, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, MO, United StatesHQ recorded Nov 2, 2026201-500197 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 2, 2026 · View company records in RevenueBase
4Exact matchPune, IndiaHQ recorded Nov 2, 202651-200128 contacts →

Exact match

“AICHELIN UNITHERM HEAT TREATMENT SYSTEMS INDIA PVT.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchSouderton, PA, United StatesHQ recorded Nov 2, 2026201-500108 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 2, 2026 · View company records in RevenueBase
6Exact matchWaterloo, IA, United StatesHQ recorded Nov 2, 202651-20089 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 2, 2026 · View company records in RevenueBase
7Exact matchDaytona Beach, FL, United StatesHQ recorded Nov 2, 202651-20086 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 2, 2026 · View company records in RevenueBase
8Exact matchFraser, MI, United StatesHQ recorded Nov 2, 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 · Nov 2, 2026 · View company records in RevenueBase
9Exact matchWaukesha, WI, United StatesHQ recorded Nov 2, 202651-20072 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 2, 2026 · View company records in RevenueBase
10Exact matchMarchtrenk, AustriaHQ recorded Nov 2, 2026201-50069 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 · Nov 2, 2026 · View company records in RevenueBase
11Exact matchAlsdorf, GermanyHQ recorded Nov 2, 2026201-50061 contacts →

Exact match

“We improve what matters.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Nov 2, 20261,001-5,00059 contacts →

Exact match

“is India's best known and the largest in the country.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchMadison Heights, MI, United StatesHQ recorded Nov 2, 202651-20058 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 2, 2026 · View company records in RevenueBase
14Exact matchLaporte, TX, United StatesHQ recorded Nov 2, 202651-20053 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 2, 2026 · View company records in RevenueBase
15Exact matchIzcalli, MexicoHQ recorded Nov 2, 202651-20051 contacts →

Exact match

“We provide metallurgical engineering for heat treatment challenges in the automotive, oil and gas, appliance, tooling and fasteners industries, among others.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchPort Huron, MI, United StatesHQ recorded Nov 2, 202651-20046 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchMumbai, IndiaHQ recorded Nov 2, 202651-20044 contacts →

Exact match

“Emerging as a frontrunner in India's commercial vacuum heat treatment sector, Indo-German Vacu Treat Pvt.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchLansdale, PA, United StatesHQ recorded Nov 2, 202651-20043 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 2, 2026 · View company records in RevenueBase
19Exact matchPontiac, MI, United StatesHQ recorded Nov 2, 2026201-50042 contacts →

Exact match

“Heat Treating Services Corporation Since 1978 HTS has been a family-owned and operated supplier of premier heat treating and quality services.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchStellendam, NetherlandsHQ recorded Nov 2, 202651-20042 contacts →

Exact match

“As qualified and experienced specialist in Heat Treatment, Delta Heat Services offers a broad range of services.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchBangalore, IndiaHQ recorded Nov 2, 202651-20041 contacts →

Exact match

“Vacuum Heat Treatment LVH has world class vacuum furnaces of "versa treat" brand with latest technology from its own group LVT.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchEgerkingen, SwitzerlandHQ recorded Nov 2, 202651-20038 contacts →

Exact match

“Über 75 Jahre Welt der Wärmebehandlung - unser umfassendes Wissen für Ihre massgeschneiderten Lösungen!”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchBrampton, ON, CanadaHQ recorded Nov 2, 202651-20038 contacts →

Exact match

“In 1983, Metex Heat Treating Ltd.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchLa Chapelle Achard, FranceHQ recorded Nov 2, 202651-20037 contacts →

Exact match

“CETh - conception d'équipement thermique is a heat treatment (pre & post welding, equipment supply, training) company based out of les Achards, France.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchSan Luis Potosí, MexicoHQ recorded Nov 2, 202651-20037 contacts →

Exact match

“DOWA THERMOTECH MÉXICO miembro del grupo DOWA HOLDINGS se encuentra establecida en Villa de Reyes desde el año 2015, brindando servicios de tratamiento térmico a empresas del…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 570 steel hardening services worldwide

See the full list, filter by size, metro and specialty, and access 2,033 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Steel hardening services worldwide at a glance

As of Nov 2, 2026
25.4%Verified-email coverage
14.1Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Bangalore
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
173
11-50
240
51-200
122
201-500
17
501-1,000
5
1,001-5,000
2
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 steel hardening services are linked below.
What qualifies
Company records worldwide whose business descriptions match “steel hardening 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. 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 2,033 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 2, 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.

Steel hardening services by location

3 lists · largest first

Every Steel hardening services 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 “steel hardening services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many steel hardening services are there worldwide?

RevenueBase identified 570 company matches for steel hardening services worldwide 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?

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

Which country has the most steel hardening services?

The United States leads with 134 companies, followed by Germany (58) and Italy (52). Every steel hardening services list by country and city is linked on this page.

Which city has the most steel hardening services?

Bangalore leads with 13 company records, followed by Pune (10) and Diadema (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 2,033 professional contacts with verified work emails tracked across these 570 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 2, 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.