Company lists · Data refreshed September 2026

Top 25 Induction hardening manufacturers based in the United States

RevenueBase identified 166 company matches for induction hardening manufacturers associated with the United States as of September 2026 and tracks 2,663 professional contacts across them, including 1,138 with verified work emails. Warren is the largest hub.

This list covers company matches for induction hardening manufacturers 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 30, 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 30, 2026 How this list was built
166Companies
2,663Contacts tracked
1,138Verified emails
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The 25 largest induction hardening manufacturers based in the United States

Ranked by team size
Top 25 of 166 company matches for induction hardening manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 matchWarren, OH, United StatesHQ recorded Sep 30, 2026201-500234 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 30, 2026 · View company records in RevenueBase
2Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
3Exact matchSouderton, PA, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
4Exact matchRochester, NY, United StatesHQ recorded Sep 30, 202651-20092 contacts →

Exact match

“Leading manufacturer of induction heating systems and an InTest Company.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchWixom, MI, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
6Exact matchDaytona Beach, FL, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
7Exact matchMadison Heights, MI, United StatesHQ recorded Sep 30, 2026201-50084 contacts →

Exact match

“We design, build and repair high-quality general purpose, turn-key, and fully automated induction heating equipment.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchRancocas, NJ, United StatesHQ recorded Sep 30, 2026201-50080 contacts →

Exact match

“We design and manufacture the most advanced induction melting, heating, holding and pouring systems for virtually all metal and material processing.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchFraser, MI, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
10Exact matchKennesaw, GA, United StatesHQ recorded Sep 30, 202651-20075 contacts →

Exact match

“Welcome to CEC!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchWaukesha, WI, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
12Exact matchBrookfield, WI, United StatesHQ recorded Sep 30, 202651-20060 contacts →

Exact match

“Pillar is a leading global supplier of induction heating and melting equipment.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchMadison Heights, MI, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
14Exact matchRonkonkoma, NY, United StatesHQ recorded Sep 30, 202651-20052 contacts →

Exact match

“At UltraFlex Power Technologies, we are dedicated to advancing the field of induction heating.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchAlmont, MI, United StatesHQ recorded Sep 30, 202651-20052 contacts →

Exact match

“Interpower Induction is a Michigan-based multinational leader in induction heating equipment manufacturing.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchMilwaukee, United StatesHQ recorded Sep 30, 202651-20049 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 · Sep 30, 2026 · View company records in RevenueBase
17Exact matchWadsworth, OH, United StatesHQ recorded Sep 30, 202651-20044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchLansdale, PA, United StatesHQ recorded Sep 30, 202651-20042 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 · Sep 30, 2026 · View company records in RevenueBase
19Exact matchPontiac, MI, United StatesHQ recorded Sep 30, 2026201-50039 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 · Sep 30, 2026 · View company records in RevenueBase
20Exact matchBowling Green, OH, United StatesHQ recorded Sep 30, 202651-20032 contacts →

Exact match

“Dowa THT America Inc is a mechanical or industrial engineering company based out of 2130 S Woodland Circle, Bowling Green, OH, United States.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchNewark, CA, United StatesHQ recorded Sep 30, 202651-20028 contacts →

Exact match

“California Brazing is now part of Lyntris.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchElk Grove Village, IL, United StatesHQ recorded Sep 30, 202651-20026 contacts →

Exact match

“FPM is a leading provider of heat treat processes serving the Greater Midwest Region for over 40+ years.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchJackson, MI, United StatesHQ recorded Sep 30, 202651-20026 contacts →

Exact match

“Industrial Steel Treating Company (IST) opened operations in Jackson, Michigan in 1943.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchAvilla, IN, United StatesHQ recorded Sep 30, 202611-5024 contacts →

Exact match

“In 2007 Jeff McLaughlin, founded McLaughlin Services and quickly become an industry leader.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchCarol Stream, IL, United StatesHQ recorded Sep 30, 202651-20023 contacts →

Exact match

“Metals Technology has been a leading provider of heat treating services to the the Greater Chicago Metropolitan area for over 60 years!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 166 induction hardening manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 1,138 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Induction hardening manufacturers based in the United States at a glance

As of Sep 30, 2026
42.7%Verified-email coverage
16.0Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · Warren
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
57
11-50
69
51-200
33
201-500
7

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 166 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 “induction hardening 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. 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 1,138 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 30, 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 “induction hardening manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many induction hardening manufacturers are there based in the United States?

RevenueBase identified 166 company matches for induction hardening manufacturers 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?

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

Which city has the most induction hardening manufacturers?

Warren leads with 7 company records, followed by Houston (5) and Cleveland (4).

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 1,138 professional contacts with verified work emails tracked across these 166 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 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 166 induction hardening manufacturers based in the United States. Start with a free account, no credit card.

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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.