Company lists · Data refreshed November 2026

Top 25 Salt bath ferritic nitrocarburizing heat treating services based in the United States

RevenueBase identified 53 company matches for salt bath ferritic nitrocarburizing heat treating services associated with the United States as of November 2026 and tracks 723 professional contacts across them, including 246 with verified work emails. Houston is the largest hub.

This list covers company matches for salt bath ferritic nitrocarburizing 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 1, 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 1, 2026 How this list was built
53Companies
723Contacts tracked
246Verified emails
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The 25 largest salt bath ferritic nitrocarburizing heat treating services based in the United States

Ranked by team size
Top 25 of 53 company matches for salt bath ferritic nitrocarburizing heat treating services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 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 Nov 1, 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 1, 2026 · View company records in RevenueBase
2Exact matchWaterloo, IA, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
3Exact matchWaukesha, WI, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
4Exact matchMadison Heights, MI, United StatesHQ recorded Nov 1, 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 1, 2026 · View company records in RevenueBase
5Exact matchCarol Stream, IL, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
6Exact matchLa Porte, TX, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
7Exact matchDe Pere, WI, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
8Exact matchGriffith, IN, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
9Exact matchSouth Lyon, MI, United StatesHQ recorded Nov 1, 202651-20018 contacts →

Exact match

“Sun Steel Treating Inc.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchCleveland, OH, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
11Exact matchMillbury, MA, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
12Exact matchSouth Gate, CA, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
13Exact matchMeadville, PA, United StatesHQ recorded Nov 1, 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 · Nov 1, 2026 · View company records in RevenueBase
14Exact matchAkron, OH, United StatesHQ recorded Nov 1, 202611-5012 contacts →

Exact match

“At Akron Steel Treating, service is our only business.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchHuntingdon Valley, PA, United StatesHQ recorded Nov 1, 202611-509 contacts →

Exact match

“AJAX ELECTRIC COMPANY is a manufacturing company based out of 60 TOMLINSON ROAD, HUNTINGDON VALLEY, Pennsylvania, United States.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchMonee, IL, United StatesHQ recorded Nov 1, 202651-2009 contacts →

Exact match

“The goal of SOUTH HOLLAND METAL FINISHING is to meet customer requirements promptly and economically by the establishment and maintenance of processes capable of producing quality…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
17Exact matchBenton Harbor, MI, United StatesHQ recorded Nov 1, 202611-506 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
18Exact matchDayton, OH, United StatesHQ recorded Nov 1, 202611-505 contacts →

Exact match

“Since 1967, Winston Heat Treating has been Dayton’s regional leader for providing quality heat treating services to the area’s tool & die and automotive industries.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 1, 20261-105 contacts →

Exact match

“Conveniently located in Northwest Houston off of FM 529 just a mile away US 290, Nitretex specializes in Ferritic Nitrocarburizing or Salt Bath Nitriding, commonly referred to as…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchYoungstown, OH, United StatesHQ recorded Nov 1, 202611-505 contacts →

Exact match

“We take heat treating services to the next level.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchBatesville, IN, United StatesHQ recorded Nov 1, 202611-505 contacts →

Exact match

“Providing wear, corrosion, and fatigue resistance improvement with Nitriding.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchConroe, TX, United StatesHQ recorded Nov 1, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 1, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchChappell Hill, TX, United StatesHQ recorded Nov 1, 202611-503 contacts →

Exact match

“Houston Unlimited was founded in 1984, we are the oldest Liquid Salt Bath Nitriding facility in Texas.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
25Exact matchRochester, NY, United StatesHQ recorded Nov 1, 202611-502 contacts →

Exact match

“Offering a full range of vacuum and atmosphere processing, we pride ourselves on turnaround time and quality.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 53 salt bath ferritic nitrocarburizing heat treating services based in the United States

See the full list, filter by size, metro and specialty, and access 246 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Salt bath ferritic nitrocarburizing heat treating services based in the United States at a glance

As of Nov 1, 2026
34.0%Verified-email coverage
13.6Average contacts per company
11-50Median size (employees)
3.8%Largest-city concentration · Houston
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
23
51-200
12
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 53 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 “salt bath ferritic nitrocarburizing 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 246 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 1, 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 “salt bath ferritic nitrocarburizing heat treating services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many salt bath ferritic nitrocarburizing heat treating services are there based in the United States?

RevenueBase identified 53 company matches for salt bath ferritic nitrocarburizing 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?

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 salt bath ferritic nitrocarburizing heat treating services?

Houston leads with 2 company records, followed by Huntingdon Valley (2) and Youngstown (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 246 professional contacts with verified work emails tracked across these 53 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 1, 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.