Company lists · Data refreshed September 2026
Top 25 Tool steel hardening companies based in the United States
RevenueBase identified 196 company matches for tool steel hardening companies associated with the United States as of September 2026 and tracks 2,774 professional contacts across them, including 851 with verified work emails. Cleveland is the largest hub.
This list covers company matches for tool steel hardening companies 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 19, 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.
The 25 largest tool steel hardening companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 190 contacts → | ||||
Exact match “Drawing on three distinct legacies of superior-quality products and services, Finkl Steel is your premier source for forged die steels, plastic mold steels, die cast tool steels…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 182 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 19, 2026 · View company records in RevenueBase | |||||
| 3 | 178 contacts → | ||||
Exact match “Established in 1881, TC Industries, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 123 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 19, 2026 · View company records in RevenueBase | |||||
| 5 | 109 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 19, 2026 · View company records in RevenueBase | |||||
| 6 | 85 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 19, 2026 · View company records in RevenueBase | |||||
| 7 | 77 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 19, 2026 · View company records in RevenueBase | |||||
| 8 | 69 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 19, 2026 · View company records in RevenueBase | |||||
| 9 | 59 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 19, 2026 · View company records in RevenueBase | |||||
| 10 | 53 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 47 contacts → | ||||
Exact match “Mactech is one of the world’s foremost providers of on-site machining services, on-site heat treating services, and stress-relieving equipment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 42 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 19, 2026 · View company records in RevenueBase | |||||
| 13 | 39 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 19, 2026 · View company records in RevenueBase | |||||
| 14 | 38 contacts → | ||||
Exact match “Thermal-Vac Technology is Southern California’s premier brazing, heat-treating, and finishing facility.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 33 contacts → | ||||
Exact match “Welcome!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 32 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 19, 2026 · View company records in RevenueBase | |||||
| 17 | 30 contacts → | ||||
Exact match “BICO Steel is a steel plate and forged steel block supplier and processor specializing in precision burning, sawing, grinding, heat treating and machining.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “Precision Marshall Steel manufactures premium quality de-carb free tool steels and specialty alloys.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “California Brazing is now part of Lyntris.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 26 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 19, 2026 · View company records in RevenueBase | |||||
| 21 | 26 contacts → | ||||
Exact match “Industrial Steel Treating Company (IST) opened operations in Jackson, Michigan in 1943.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “Our motto at Hudson Tool Steel Corporation is “WE MAKE TOOL STEEL EASY.” We also make it an enjoyable experience for you.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 24 contacts → | ||||
Exact match “In 2007 Jeff McLaughlin, founded McLaughlin Services and quickly become an industry leader.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 23 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 19, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match “Contour is an expert provider of engineered heat treat service and equipment.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “tool steel hardening companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 196 tool steel hardening companies based in the United States
See the full list, filter by size, metro and specialty, and access 851 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tool steel hardening companies based in the United States at a glance
As of Sep 19, 2026Companies by employee count
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 196 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 “tool steel hardening 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. 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 851 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 19, 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 “tool steel hardening companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tool steel hardening companies are there based in the United States?
RevenueBase identified 196 company matches for tool steel hardening companies 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?
Finkl Steel tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most tool steel hardening companies?
Cleveland leads with 6 company records, followed by Warren (5) and Houston (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 851 professional contacts with verified work emails tracked across these 196 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 196 tool steel hardening companies based in the United States. Start with a free account, no credit card.
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Tool steel hardening companies by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tool steel hardening companies based in Canada
- Tool steel hardening companies based in Germany
- Tool steel hardening companies based in Italy
- Tool steel hardening companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 tool steel hardening companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 196 matching company records for tool steel hardening companies based in the United States, with 2,774 tracked contacts and 851 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tool steel hardening companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Finkl Steelfinkl.comHQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 190 contacts → |
“Drawing on three distinct legacies of superior-quality products and services, Finkl Steel is your premier source for forged die steels, plastic mold steels, die cast tool steels…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Aalberts Surface Technologiespaulo.com HQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 182 contacts → |
“Aalberts surface technologies - Paulo, delivers precision heat treating and thermal processing services that push the boundaries of what’s possible in metallurgical science.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TC Industries, INCtcindustries.com HQ: Crystal Lake, IL, United StatesReported employees: 201-500 | Crystal Lake, IL, United States | 201-500 | Exact match | 178 contacts → |
“Established in 1881, TC Industries, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bluewater Thermal Solutionsbluewaterthermal.com HQ: Greenville, SC, United StatesReported employees: 201-500 | Greenville, SC, United States | 201-500 | Exact match | 123 contacts → |
“Bluewater Thermal Solutions (BTS) is the largest commercial thermal solutions provider based in North America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Solar Atmospheres, INCsolaratm.com HQ: Souderton, PA, United StatesReported employees: 201-500 | Souderton, PA, United States | 201-500 | Exact match | 109 contacts → |
“Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Braddock Metallurgicalheattreat.com HQ: Daytona Beach, FL, United StatesReported employees: 51-200 | Daytona Beach, FL, United States | 51-200 | Exact match | 85 contacts → |
“We are a commercial heat treater that processes parts for a wide variety of manufacturers and industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Specialty Steel Treatingsst.net HQ: Fraser, MI, United StatesReported employees: 51-200 | Fraser, MI, United States | 51-200 | Exact match | 77 contacts → |
“Specialty Steel Treating, founded 1956, has been performing precision heat treating for more than 60 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Thermtech Of Waukesha, INCthermtech.net HQ: Waukesha, WI, United StatesReported employees: 51-200 | Waukesha, WI, United States | 51-200 | Exact match | 69 contacts → |
“A privately held, commercial heat-treating company, ThermTech provides value added services to the Forging, Foundry, Machining, and Tool & Die markets.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Curtis Metal Finishing Groupcurtismetal.com HQ: Madison Heights, MI, United StatesReported employees: 51-200 | Madison Heights, MI, United States | 51-200 | Exact match | 59 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Texas Stress INCtexasstress.com HQ: Laporte, TX, United StatesReported employees: 51-200 | Laporte, TX, United States | 51-200 | Exact match | 53 contacts → |
“Heat treatment means reliable performance in the most critical and demanding environments of industry, where vital components cannot fail without major consequences.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mactechmactechonsite.com HQ: Red Wing, MN, United StatesReported employees: 51-200 | Red Wing, MN, United States | 51-200 | Exact match | 47 contacts → |
“Mactech is one of the world’s foremost providers of on-site machining services, on-site heat treating services, and stress-relieving equipment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | REX Heat Treatrexht.com HQ: Lansdale, PA, United StatesReported employees: 51-200 | Lansdale, PA, United States | 51-200 | Exact match | 42 contacts → |
“A family-owned company since 1938, Rex Heat Treat has grown to become a preeminent commercial heat treat company in the US.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Pontiac, MI, United StatesReported employees: 201-500 | Pontiac, MI, United States | 201-500 | Exact match | 39 contacts → |
“Heat Treating Services Corporation Since 1978 HTS has been a family-owned and operated supplier of premier heat treating and quality services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Thermal-Vac Technologythermal-vac.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 38 contacts → |
“Thermal-Vac Technology is Southern California’s premier brazing, heat-treating, and finishing facility.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | PTGparkertrutec.com HQ: Urbana, OH, United StatesReported employees: 201-500 | Urbana, OH, United States | 201-500 | Exact match | 33 contacts → |
“Welcome!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dowa THT America INCdowa-tht.com HQ: Bowling Green, OH, United StatesReported employees: 51-200 | Bowling Green, OH, United States | 51-200 | Exact match | 32 contacts → |
“Dowa THT America Inc is a mechanical or industrial engineering company based out of 2130 S Woodland Circle, Bowling Green, OH, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Bico Steelbicosteel.com HQ: Mogadore, OH, United StatesReported employees: 51-200 | Mogadore, OH, United States | 51-200 | Exact match | 30 contacts → |
“BICO Steel is a steel plate and forged steel block supplier and processor specializing in precision burning, sawing, grinding, heat treating and machining.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Precision Marshall Steel Companypmsteel.com HQ: Washington, PA, United StatesReported employees: 51-200 | Washington, PA, United States | 51-200 | Exact match | 29 contacts → |
“Precision Marshall Steel manufactures premium quality de-carb free tool steels and specialty alloys.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  California Brazinglyntris.comHQ: Newark, CA, United StatesReported employees: 51-200 | Newark, CA, United States | 51-200 | Exact match | 28 contacts → |
“California Brazing is now part of Lyntris.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | FPM Heat Treatingfpmht.com HQ: Elk Grove Village, IL, United StatesReported employees: 51-200 | Elk Grove Village, IL, United States | 51-200 | Exact match | 26 contacts → |
“FPM is a leading provider of heat treat processes serving the Greater Midwest Region for over 40+ years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Industrial Steel Treating COindstl.com HQ: Jackson, MI, United StatesReported employees: 51-200 | Jackson, MI, United States | 51-200 | Exact match | 26 contacts → |
“Industrial Steel Treating Company (IST) opened operations in Jackson, Michigan in 1943.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hudson Tool Steel Corporationhudsontoolsteel.com HQ: Anaheim, CA, United StatesReported employees: 11-50 | Anaheim, CA, United States | 11-50 | Exact match | 26 contacts → |
“Our motto at Hudson Tool Steel Corporation is “WE MAKE TOOL STEEL EASY.” We also make it an enjoyable experience for you.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mclaughlin Furnace Groupmclaughlinsvc.com HQ: Avilla, IN, United StatesReported employees: 11-50 | Avilla, IN, United States | 11-50 | Exact match | 24 contacts → |
“In 2007 Jeff McLaughlin, founded McLaughlin Services and quickly become an industry leader.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Metals Technologymetalstechnology.com HQ: Carol Stream, IL, United StatesReported employees: 51-200 | Carol Stream, IL, United States | 51-200 | Exact match | 23 contacts → |
“Metals Technology has been a leading provider of heat treating services to the the Greater Chicago Metropolitan area for over 60 years!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Contourcontourhardening.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 23 contacts → |
“Contour is an expert provider of engineered heat treat service and equipment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 196 company matches
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Tool steel hardening companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
196 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 196 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for tool steel hardening companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tool steel hardening companies did RevenueBase find based in the United States?
The saved snapshot records 196 matching company records, 2,774 tracked contacts and 851 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Tool steel hardening companies by geography
Cite this list
RevenueBase Data Team. Top 25 tool steel hardening companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/tool-steel-hardening-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tool steel hardening companies based in Canada
- Tool steel hardening companies based in Germany
- Tool steel hardening companies based in Italy
- Tool steel hardening companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 tool steel hardening companies based in the United States
RevenueBase records 196 matching company records for tool steel hardening companies based in the United States, with 2,774 tracked contacts and 851 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tool steel hardening companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Finkl Steelfinkl.com HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 190 contacts → |
“Drawing on three distinct legacies of superior-quality products and services, Finkl Steel is your premier source for forged die steels, plastic mold steels, die cast tool steels…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Aalberts Surface Technologiespaulo.com HQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 182 contacts → |
“Aalberts surface technologies - Paulo, delivers precision heat treating and thermal processing services that push the boundaries of what’s possible in metallurgical science.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | TC Industries, INCtcindustries.com HQ: Crystal Lake, IL, United StatesReported employees: 201-500 | Crystal Lake, IL, United States | 201-500 | Exact match | 178 contacts → |
“Established in 1881, TC Industries, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bluewater Thermal Solutionsbluewaterthermal.com HQ: Greenville, SC, United StatesReported employees: 201-500 | Greenville, SC, United States | 201-500 | Exact match | 123 contacts → |
“Bluewater Thermal Solutions (BTS) is the largest commercial thermal solutions provider based in North America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Solar Atmospheres, INCsolaratm.com HQ: Souderton, PA, United StatesReported employees: 201-500 | Souderton, PA, United States | 201-500 | Exact match | 109 contacts → |
“Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Braddock Metallurgicalheattreat.com HQ: Daytona Beach, FL, United StatesReported employees: 51-200 | Daytona Beach, FL, United States | 51-200 | Exact match | 85 contacts → |
“We are a commercial heat treater that processes parts for a wide variety of manufacturers and industries.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Specialty Steel Treatingsst.net HQ: Fraser, MI, United StatesReported employees: 51-200 | Fraser, MI, United States | 51-200 | Exact match | 77 contacts → |
“Specialty Steel Treating, founded 1956, has been performing precision heat treating for more than 60 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Thermtech Of Waukesha, INCthermtech.net HQ: Waukesha, WI, United StatesReported employees: 51-200 | Waukesha, WI, United States | 51-200 | Exact match | 69 contacts → |
“A privately held, commercial heat-treating company, ThermTech provides value added services to the Forging, Foundry, Machining, and Tool & Die markets.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Curtis Metal Finishing Groupcurtismetal.com HQ: Madison Heights, MI, United StatesReported employees: 51-200 | Madison Heights, MI, United States | 51-200 | Exact match | 59 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Texas Stress INCtexasstress.com HQ: Laporte, TX, United StatesReported employees: 51-200 | Laporte, TX, United States | 51-200 | Exact match | 53 contacts → |
“Heat treatment means reliable performance in the most critical and demanding environments of industry, where vital components cannot fail without major consequences.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mactechmactechonsite.com HQ: Red Wing, MN, United StatesReported employees: 51-200 | Red Wing, MN, United States | 51-200 | Exact match | 47 contacts → |
“Mactech is one of the world’s foremost providers of on-site machining services, on-site heat treating services, and stress-relieving equipment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | REX Heat Treatrexht.com HQ: Lansdale, PA, United StatesReported employees: 51-200 | Lansdale, PA, United States | 51-200 | Exact match | 42 contacts → |
“A family-owned company since 1938, Rex Heat Treat has grown to become a preeminent commercial heat treat company in the US.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Pontiac, MI, United StatesReported employees: 201-500 | Pontiac, MI, United States | 201-500 | Exact match | 39 contacts → |
“Heat Treating Services Corporation Since 1978 HTS has been a family-owned and operated supplier of premier heat treating and quality services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Thermal-Vac Technologythermal-vac.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 38 contacts → |
“Thermal-Vac Technology is Southern California’s premier brazing, heat-treating, and finishing facility.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | PTGparkertrutec.com HQ: Urbana, OH, United StatesReported employees: 201-500 | Urbana, OH, United States | 201-500 | Exact match | 33 contacts → |
“Welcome!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dowa THT America INCdowa-tht.com HQ: Bowling Green, OH, United StatesReported employees: 51-200 | Bowling Green, OH, United States | 51-200 | Exact match | 32 contacts → |
“Dowa THT America Inc is a mechanical or industrial engineering company based out of 2130 S Woodland Circle, Bowling Green, OH, United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Bico Steelbicosteel.com HQ: Mogadore, OH, United StatesReported employees: 51-200 | Mogadore, OH, United States | 51-200 | Exact match | 30 contacts → |
“BICO Steel is a steel plate and forged steel block supplier and processor specializing in precision burning, sawing, grinding, heat treating and machining.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Precision Marshall Steel Companypmsteel.com HQ: Washington, PA, United StatesReported employees: 51-200 | Washington, PA, United States | 51-200 | Exact match | 29 contacts → |
“Precision Marshall Steel manufactures premium quality de-carb free tool steels and specialty alloys.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | California Brazinglyntris.com HQ: Newark, CA, United StatesReported employees: 51-200 | Newark, CA, United States | 51-200 | Exact match | 28 contacts → |
“California Brazing is now part of Lyntris.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | FPM Heat Treatingfpmht.com HQ: Elk Grove Village, IL, United StatesReported employees: 51-200 | Elk Grove Village, IL, United States | 51-200 | Exact match | 26 contacts → |
“FPM is a leading provider of heat treat processes serving the Greater Midwest Region for over 40+ years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Industrial Steel Treating COindstl.com HQ: Jackson, MI, United StatesReported employees: 51-200 | Jackson, MI, United States | 51-200 | Exact match | 26 contacts → |
“Industrial Steel Treating Company (IST) opened operations in Jackson, Michigan in 1943.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hudson Tool Steel Corporationhudsontoolsteel.com HQ: Anaheim, CA, United StatesReported employees: 11-50 | Anaheim, CA, United States | 11-50 | Exact match | 26 contacts → |
“Our motto at Hudson Tool Steel Corporation is “WE MAKE TOOL STEEL EASY.” We also make it an enjoyable experience for you.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mclaughlin Furnace Groupmclaughlinsvc.com HQ: Avilla, IN, United StatesReported employees: 11-50 | Avilla, IN, United States | 11-50 | Exact match | 24 contacts → |
“In 2007 Jeff McLaughlin, founded McLaughlin Services and quickly become an industry leader.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Metals Technologymetalstechnology.com HQ: Carol Stream, IL, United StatesReported employees: 51-200 | Carol Stream, IL, United States | 51-200 | Exact match | 23 contacts → |
“Metals Technology has been a leading provider of heat treating services to the the Greater Chicago Metropolitan area for over 60 years!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Contourcontourhardening.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 23 contacts → |
“Contour is an expert provider of engineered heat treat service and equipment.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 196 company matches
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Tool steel hardening companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
196 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 196 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for tool steel hardening companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tool steel hardening companies did RevenueBase find based in the United States?
The saved snapshot records 196 matching company records, 2,774 tracked contacts and 851 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Tool steel hardening companies by geography
Cite this list
RevenueBase Data Team. Top 25 tool steel hardening companies based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/tool-steel-hardening-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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