Company lists · Data refreshed September 2026
Top 25 Tool steel hardening companies worldwide
RevenueBase identified 392 tool steel hardening companies worldwide as of September 2026 and tracks 6,994 professional contacts across them, including 2,067 with verified work emails and 0 with mobile numbers. The United States is the largest market and Cleveland the largest hub.
This list covers tool steel hardening companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for tool steel hardening companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,940 contacts → | ||||
Indirect evidence “With more than 165 locations in 22 countries, Bodycote is the world’s leading provider of heat treatment and specialist thermal processing services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 190 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 182 contacts → | ||||
Indirect evidence “Aalberts surface technologies - Paulo, delivers precision heat treating and thermal processing services that push the boundaries of what’s possible in metallurgical science.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 178 contacts → | ||||
Indirect evidence “Established in 1881, TC Industries, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 123 contacts → | ||||
Indirect evidence “Bluewater Thermal Solutions (BTS) is the largest commercial thermal solutions provider based in North America.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 109 contacts → | ||||
Indirect evidence “Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 85 contacts → | ||||
Indirect evidence “We are a commercial heat treater that processes parts for a wide variety of manufacturers and industries.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 77 contacts → | ||||
Partial evidence “Specialty Steel Treating, founded 1956, has been performing precision heat treating for more than 60 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 69 contacts → | ||||
Partial evidence “A privately held, commercial heat-treating company, ThermTech provides value added services to the Forging, Foundry, Machining, and Tool & Die markets.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 59 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 55 contacts → | ||||
Indirect evidence “We improve what matters.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 53 contacts → | ||||
Indirect evidence “Heat treatment means reliable performance in the most critical and demanding environments of industry, where vital components cannot fail without major consequences.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 50 contacts → | ||||
Indirect evidence “voestalpine High Performance Metals Italia S.p.A, con sede a Milano, è leader di mercato per acciai da utensili, acciai rapidi (HSS) e acciai speciali, le maggiori acciaierie da…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 47 contacts → | ||||
Indirect evidence “Mactech is one of the world’s foremost providers of on-site machining services, on-site heat treating services, and stress-relieving equipment.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 42 contacts → | ||||
Indirect evidence “A family-owned company since 1938, Rex Heat Treat has grown to become a preeminent commercial heat treat company in the US.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 41 contacts → | ||||
Strong evidence “The BESTAR Steel Group is the quality leader in providing carbon steel, tool steel, high speed steel and stainless steel for manufacturers of industrial cutting tools.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 39 contacts → | ||||
Indirect evidence “Heat Treating Services Corporation Since 1978 HTS has been a family-owned and operated supplier of premier heat treating and quality services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 39 contacts → | ||||
Indirect evidence “In 1983, Metex Heat Treating Ltd.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 38 contacts → | ||||
Indirect evidence “Thermal-Vac Technology is Southern California’s premier brazing, heat-treating, and finishing facility.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 33 contacts → | ||||
Indirect evidence “Welcome!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 32 contacts → | ||||
Indirect evidence “Die Hanomag Lohnhärterei ist aus der ehemaligen Betriebshärterei der Hannoverschen Maschinenbau AG -kurz Hanomag- hervorgegangen und blickt somit auf eine lange Tradition in der…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 32 contacts → | ||||
Indirect evidence “Dowa THT America Inc is a mechanical or industrial engineering company based out of 2130 S Woodland Circle, Bowling Green, OH, United States.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 31 contacts → | ||||
Indirect evidence “Technical Heat Treatment Services Ltd (Techeat) is a Canadian metals heat-treating company that has serviced the industry since 1990.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 30 contacts → | ||||
Partial evidence “BICO Steel is a steel plate and forged steel block supplier and processor specializing in precision burning, sawing, grinding, heat treating and machining.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 29 contacts → | ||||
Strong evidence “Precision Marshall Steel manufactures premium quality de-carb free tool steels and specialty alloys.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: tool steel hardening companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names tool steel hardening companies.
- Partial evidence
- Its own public description names part of tool steel hardening companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tool steel hardening companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 392 tool steel hardening companies worldwide
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Tool steel hardening companies worldwide at a glance
As of Sep 19, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among tool steel hardening companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 5 countries, largest first: the United States, Germany, Italy, the United Kingdom, Canada. Country and city lists for tool steel hardening companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “tool steel hardening companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names tool steel hardening companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among tool steel hardening companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 2,067 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Tool steel hardening companies by location
5 lists · largest firstEvery Tool steel hardening companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names tool steel hardening companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many tool steel hardening companies are there worldwide?
RevenueBase identified 392 tool steel hardening companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Bodycote, headquartered in Macclesfield, tops this list with the largest team on record.
Which country has the most tool steel hardening companies?
The United States leads with 196 companies, followed by Germany (72) and Italy (65). Every tool steel hardening companies list by country and city is linked on this page.
Which city has the most tool steel hardening companies?
Cleveland leads with 6 headquartered companies, followed by Edmonton (5) and Remscheid (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,067 verified decision-maker contacts tracked across these 392 companies.
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.
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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 Smart Search, 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.
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Company intelligence · public preview
Top 25 tool steel hardening companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 392 matching company records for tool steel hardening companies worldwide, with 6,994 tracked contacts and 2,067 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 worldwide
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 | HQ: Macclesfield, United KingdomReported employees: 5,001-10,000 | Macclesfield, United Kingdom | 5,001-10,000 | Exact match | 2,940 contacts → |
“With more than 165 locations in 22 countries, Bodycote is the world’s leading provider of heat treatment and specialist thermal processing services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | Härtha Grouphaertha.de HQ: Alsdorf, GermanyReported employees: 201-500 | Alsdorf, Germany | 201-500 | Exact match | 55 contacts → |
“We improve what matters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | HQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 50 contacts → |
“voestalpine High Performance Metals Italia S.p.A, con sede a Milano, è leader di mercato per acciai da utensili, acciai rapidi (HSS) e acciai speciali, le maggiori acciaierie da…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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. | |||||
| 15 | 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. | |||||
| 16 | Bestar Steel Groupbestar-steel.com HQ: Remscheid, GermanyReported employees: 51-200 | Remscheid, Germany | 51-200 | Exact match | 41 contacts → |
“The BESTAR Steel Group is the quality leader in providing carbon steel, tool steel, high speed steel and stainless steel for manufacturers of industrial cutting tools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | Metex Heat Treating LTDmetexht.com HQ: Brampton, ON, CanadaReported employees: 51-200 | Brampton, ON, Canada | 51-200 | Exact match | 39 contacts → |
“In 1983, Metex Heat Treating Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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. | |||||
| 20 | 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. | |||||
| 21 | Hanomag Lohnhärterei Gruppehaertecenter.de HQ: Hannover, GermanyReported employees: 501-1,000 | Hannover, Germany | 501-1,000 | Exact match | 32 contacts → |
“Die Hanomag Lohnhärterei ist aus der ehemaligen Betriebshärterei der Hannoverschen Maschinenbau AG -kurz Hanomag- hervorgegangen und blickt somit auf eine lange Tradition in der…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | Techeattecheat.com HQ: Fredericton, NB, CanadaReported employees: 51-200 | Fredericton, NB, Canada | 51-200 | Exact match | 31 contacts → |
“Technical Heat Treatment Services Ltd (Techeat) is a Canadian metals heat-treating company that has serviced the industry since 1990.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | 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. | |||||
Showing 25 of 392 company matches
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Tool steel hardening companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
386 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 ↗
Tool steel hardening companies by location
5 lists · largest firstEvery Tool steel hardening companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 worldwide?
The saved snapshot records 392 matching company records, 6,994 tracked contacts and 2,067 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.
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Cite this list
RevenueBase Data Team. Top 25 tool steel hardening companies worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/tool-steel-hardening-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 tool steel hardening companies worldwide
RevenueBase records 392 matching company records for tool steel hardening companies worldwide, with 6,994 tracked contacts and 2,067 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 worldwide
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 | HQ: Macclesfield, United KingdomReported employees: 5,001-10,000 | Macclesfield, United Kingdom | 5,001-10,000 | Exact match | 2,940 contacts → |
“With more than 165 locations in 22 countries, Bodycote is the world’s leading provider of heat treatment and specialist thermal processing services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | Härtha Grouphaertha.de HQ: Alsdorf, GermanyReported employees: 201-500 | Alsdorf, Germany | 201-500 | Exact match | 55 contacts → |
“We improve what matters.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | HQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 50 contacts → |
“voestalpine High Performance Metals Italia S.p.A, con sede a Milano, è leader di mercato per acciai da utensili, acciai rapidi (HSS) e acciai speciali, le maggiori acciaierie da…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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. | |||||
| 15 | 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. | |||||
| 16 | Bestar Steel Groupbestar-steel.com HQ: Remscheid, GermanyReported employees: 51-200 | Remscheid, Germany | 51-200 | Exact match | 41 contacts → |
“The BESTAR Steel Group is the quality leader in providing carbon steel, tool steel, high speed steel and stainless steel for manufacturers of industrial cutting tools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | Metex Heat Treating LTDmetexht.com HQ: Brampton, ON, CanadaReported employees: 51-200 | Brampton, ON, Canada | 51-200 | Exact match | 39 contacts → |
“In 1983, Metex Heat Treating Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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. | |||||
| 20 | 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. | |||||
| 21 | Hanomag Lohnhärterei Gruppehaertecenter.de HQ: Hannover, GermanyReported employees: 501-1,000 | Hannover, Germany | 501-1,000 | Exact match | 32 contacts → |
“Die Hanomag Lohnhärterei ist aus der ehemaligen Betriebshärterei der Hannoverschen Maschinenbau AG -kurz Hanomag- hervorgegangen und blickt somit auf eine lange Tradition in der…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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. | |||||
| 23 | Techeattecheat.com HQ: Fredericton, NB, CanadaReported employees: 51-200 | Fredericton, NB, Canada | 51-200 | Exact match | 31 contacts → |
“Technical Heat Treatment Services Ltd (Techeat) is a Canadian metals heat-treating company that has serviced the industry since 1990.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | 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. | |||||
Showing 25 of 392 company matches
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Tool steel hardening companies: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
386 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Tool steel hardening companies by location
5 lists · largest firstEvery Tool steel hardening companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 worldwide?
The saved snapshot records 392 matching company records, 6,994 tracked contacts and 2,067 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.
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Cite this list
RevenueBase Data Team. Top 25 tool steel hardening companies worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/tool-steel-hardening-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗