Company lists · Data refreshed October 2026

Top 25 Induction hardening services based in the United States

RevenueBase identified 83 company matches for induction hardening services associated with the United States as of October 2026 and tracks 1,048 professional contacts across them, including 410 with verified work emails. Warren is the largest hub.

This list covers company matches for induction hardening 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 October 26, 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 Oct 26, 2026 How this list was built
83Companies
1,048Contacts tracked
410Verified emails
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The 25 largest induction hardening services based in the United States

Ranked by team size
Top 25 of 83 company matches for induction hardening services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 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 matchSouderton, PA, United StatesHQ recorded Oct 26, 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 · Oct 26, 2026 · View company records in RevenueBase
2Exact matchMadison Heights, MI, United StatesHQ recorded Oct 26, 2026201-50090 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 · Oct 26, 2026 · View company records in RevenueBase
3Exact matchWaterloo, IA, United StatesHQ recorded Oct 26, 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 · Oct 26, 2026 · View company records in RevenueBase
4Exact matchRochester, NY, United StatesHQ recorded Oct 26, 202651-20089 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchWaukesha, WI, United StatesHQ recorded Oct 26, 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 · Oct 26, 2026 · View company records in RevenueBase
6Exact matchBrookfield, WI, United StatesHQ recorded Oct 26, 202651-20062 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
7Exact matchMadison Heights, MI, United StatesHQ recorded Oct 26, 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 · Oct 26, 2026 · View company records in RevenueBase
8Exact matchIndianapolis, IN, United StatesHQ recorded Oct 26, 2026n/a33 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
9Exact matchCarol Stream, IL, United StatesHQ recorded Oct 26, 202651-20024 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 · Oct 26, 2026 · View company records in RevenueBase
10Exact matchLa Porte, TX, United StatesHQ recorded Oct 26, 202651-20023 contacts →

Exact match

“HTS AmeriTek is a Gulf Coast industrial field services company based in La Porte, Texas.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchDe Pere, WI, United StatesHQ recorded Oct 26, 202611-5021 contacts →

Exact match

“Metals Engineering is an ISO 9001:2015 certified commercial heat treater with locations in Green Bay and De Pere, Wisconsin.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchGriffith, IN, United StatesHQ recorded Oct 26, 202611-5018 contacts →

Exact match

“Legacy provides a wide-range of industrial heat treatment services using the latest in heat treatment equipment technology and trusted principles, practices and applications.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchCleveland, OH, United StatesHQ recorded Oct 26, 202651-20018 contacts →

Exact match

“Since 1945, Euclid Heat Treating Company has offered heat treating services including case hardening, induction hardening, vacuum hardening, stress relieving, eddy current…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact matchMillbury, MA, United StatesHQ recorded Oct 26, 202611-5016 contacts →

Exact match

“County Heat Treat is a Massachusetts-based metal heat-treating company specializing in hardening, tempering, annealing, nitriding, stress relieving, and customized thermal…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
15Exact matchSouth Gate, CA, United StatesHQ recorded Oct 26, 202651-20016 contacts →

Exact match

“Accurate Steel Treating specializes in the thermal processing of and surface hardening of steels and some non-ferrous alloys.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
16Exact matchRochester, NY, United StatesHQ recorded Oct 26, 202611-5015 contacts →

Exact match

“GH Induction Atmospheres is a leading American provider of innovative industrial heating solutions for automotive, aerospace, medical and energy production applications.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
17Exact matchCrystal Lake, IL, United StatesHQ recorded Oct 26, 202651-20015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
18Exact matchHamilton, OH, United StatesHQ recorded Oct 26, 20261-1015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
19Exact matchMeadville, PA, United StatesHQ recorded Oct 26, 202651-20012 contacts →

Exact match

“Heat Treating, Annealing, Carburizing, Induction Hardening, Laser Hardening, Vacuum Processing, Nitriding, Black Oxide Coating, Induction, Cryogenics.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchTroutdale, OR, United StatesHQ recorded Oct 26, 202611-5012 contacts →

Exact match

“Oregon Induction + Thermal is dedicated to top quality metallurgical services.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
21Exact matchSt. Paul, MN, United StatesHQ recorded Oct 26, 202611-5012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
22Exact matchMonroe, CT, United StatesHQ recorded Oct 26, 20261-1010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
23Exact matchIndianapolis, IN, United StatesHQ recorded Oct 26, 202611-5010 contacts →

Exact match

“CONTOUR: DESIGNED TO TO DO WHAT OTHERS SAID COULDN’T BE DONE Contour was established in 1986 with the goal of providing a cost-effective solution to difficult heat treatment…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
24Exact matchCincinnati, OH, United StatesHQ recorded Oct 26, 202611-508 contacts →

Exact match

“Cincinnati Steel Treating (CST) is an ISO certified outsourcing partner who helps manufacturing engineers and part designers strengthen gears and components with premiere heat…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
25Exact matchShelby Township, MI, United StatesHQ recorded Oct 26, 202611-507 contacts →

Exact match

“Cyprium Induction offers complete induction systems, incuding scanners, lift and rotate machines, induction brazing machines, and induction forging systems.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 25 of 83 induction hardening services based in the United States

See the full list, filter by size, metro and specialty, and access 410 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Induction hardening services based in the United States at a glance

As of Oct 26, 2026
39.1%Verified-email coverage
12.6Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · Warren
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
36
11-50
32
51-200
13
201-500
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 83 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 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 410 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 October 26, 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 services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 83 company matches for induction hardening services associated with the United States as of October 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?

Solar Atmospheres, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most induction hardening services?

Warren leads with 3 company records, followed by Carol Stream (2) and Cleveland (2).

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 410 professional contacts with verified work emails tracked across these 83 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 October 26, 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.