Company lists · Data refreshed November 2026
Top 21 Thermal radiation and convection apparatus suppliers based in the United States
RevenueBase identified 34 company matches for thermal radiation and convection apparatus suppliers associated with the United States as of November 2026 and tracks 1,455 professional contacts across them, including 446 with verified work emails. Baton Rouge is the largest hub.
This list covers company matches for thermal radiation and convection apparatus suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 2, 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 21 largest thermal radiation and convection apparatus suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 379 contacts → | ||||
Exact match “API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 2 | 189 contacts → | ||||
Exact match “LJUNGSTRÖM is a global leader in heat transfer, energy technology, and advanced manufacturing, delivering engineered solutions that improve performance, reliability, and…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 3 | 189 contacts → | ||||
Exact match “What We Do ACT develops passive and active thermal solutions for demanding environments where performance margins are tight and failure is costly.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 4 | 165 contacts → | ||||
Exact match “For over a century, Wolverine Tube has been an industry leader in providing innovative heat transfer solutions including the design, development, and fabrication of thermal…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 5 | 100 contacts → | ||||
Exact match “HTRI is the global leader in process heat transfer technology and heat exchanger design software.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 6 | 55 contacts → | ||||
Exact match “As a world class producer of superior heat and corrosion-resistant products for international and domestic markets since 1929, Steeltech achieves maximum customer satisfaction by…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 7 | 44 contacts → | ||||
Exact match “Diversified Heat Transfer (DHT), is a leading engineering and manufacturing company of heat exchange equipment and systems for the residential, commercial, and industrial markets.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 8 | 43 contacts → | ||||
Exact match “Thermcraft is an international leading manufacturer of thermal processing equipment including industrial and laboratory furnaces, industrial ovens, high temperature ceramic…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 9 | 35 contacts → | ||||
Exact match “Since 1918 Federal has been a leading thermal solutions provider in the Midwest.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 10 | 30 contacts → | ||||
Exact match “The Armstrong Chemtec group of companies has been a major supplier of specialty heat transfer equipment to the oil refining, gas processing, chemical and petrochemical industries…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 11 | 28 contacts → | ||||
Exact match “Founded and headquartered in New Jersey, Across International is the leading manufacturer of heat treatment and material processing equipment.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 12 | 23 contacts → | ||||
Exact match “CTS began in late 2003 as a typical "garage business." Thermal system experiments were conducted in two closed loop wind tunnels and four environmental chambers housed in a steel…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Neptech, Inc.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Hi-Watt Inc.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Since 1981, Ohio Valley Industrial Services has been servicing Industry, Research and Power Generation with a variety of products ranging from instrumentation, to steam and…” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “TIPTEMP is a woman-owned, veteran-owned, private company in Southern New Jersey.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Mahan's Thermal Products has been in business since 1965 serving the industrial market with the design and sale of heat transfer solutions.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “CRTech provides products and services in the areas of heat transfer and fluid system design and analysis.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “HX Coils, dba Maiocco & Associates, is your #1 source for heat transfer equipment.” Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 2, 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 “thermal radiation and convection apparatus suppliers”. 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 21 of 34 thermal radiation and convection apparatus suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 446 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Thermal radiation and convection apparatus suppliers based in the United States at a glance
As of Nov 2, 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 34 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 “thermal radiation and convection apparatus suppliers” 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 446 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 2, 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 “thermal radiation and convection apparatus suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many thermal radiation and convection apparatus suppliers are there based in the United States?
RevenueBase identified 34 company matches for thermal radiation and convection apparatus suppliers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
API Heat Transfer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most thermal radiation and convection apparatus suppliers?
Baton Rouge leads with 1 company records, followed by Boulder (1) and Bridgeville (1).
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 446 professional contacts with verified work emails tracked across these 34 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 2, 2026.
Ready to reach these companies? Verified emails and direct dials for all 34 thermal radiation and convection apparatus suppliers based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 21 thermal radiation and convection apparatus suppliers 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 34 matching company records for thermal radiation and convection apparatus suppliers based in the United States, with 1,455 tracked contacts and 446 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 2, 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 21 thermal radiation and convection apparatus suppliers 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 |  API Heat Transferapiheattransfer.comHQ: Buffalo, NY, United StatesReported employees: 1,001-5,000 | Buffalo, NY, United States | 1,001-5,000 | Exact match | 379 contacts → |
“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ljungströmljungstrom.com HQ: Wellsville, NY, United StatesReported employees: 1,001-5,000 | Wellsville, NY, United States | 1,001-5,000 | Exact match | 189 contacts → |
“LJUNGSTRÖM is a global leader in heat transfer, energy technology, and advanced manufacturing, delivering engineered solutions that improve performance, reliability, and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Advanced Cooling Technologies, INC1-act.comHQ: Lancaster, PA, United StatesReported employees: 201-500 | Lancaster, PA, United States | 201-500 | Exact match | 189 contacts → |
“What We Do ACT develops passive and active thermal solutions for demanding environments where performance margins are tight and failure is costly.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Wolverine Tube, INCwlv.com HQ: Shawnee, OK, United StatesReported employees: 501-1,000 | Shawnee, OK, United States | 501-1,000 | Exact match | 165 contacts → |
“For over a century, Wolverine Tube has been an industry leader in providing innovative heat transfer solutions including the design, development, and fabrication of thermal…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Htri Heat Transfer Research, INChtri.netHQ: Navasota, TX, United StatesReported employees: 51-200 | Navasota, TX, United States | 51-200 | Exact match | 100 contacts → |
“HTRI is the global leader in process heat transfer technology and heat exchanger design software.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Steeltech LLCsteeltechltd.com HQ: Grand Rapids, MI, United StatesReported employees: 51-200 | Grand Rapids, MI, United States | 51-200 | Exact match | 55 contacts → |
“As a world class producer of superior heat and corrosion-resistant products for international and domestic markets since 1929, Steeltech achieves maximum customer satisfaction by…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Diversified Heat Transfer DHTdhtnet.com HQ: Towaco, NJ, United StatesReported employees: 51-200 | Towaco, NJ, United States | 51-200 | Exact match | 44 contacts → |
“Diversified Heat Transfer (DHT), is a leading engineering and manufacturing company of heat exchange equipment and systems for the residential, commercial, and industrial markets.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Thermcraftthermcraftinc.com HQ: Winston Salem, NC, United StatesReported employees: 51-200 | Winston Salem, NC, United States | 51-200 | Exact match | 43 contacts → |
“Thermcraft is an international leading manufacturer of thermal processing equipment including industrial and laboratory furnaces, industrial ovens, high temperature ceramic…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Federal Thermalfederalthermal.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 35 contacts → |
“Since 1918 Federal has been a leading thermal solutions provider in the Midwest.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Armstrong Chemtec Grouparmstrong-chemtec.com HQ: Coatesville, PA, United StatesReported employees: 51-200 | Coatesville, PA, United States | 51-200 | Exact match | 30 contacts → |
“The Armstrong Chemtec group of companies has been a major supplier of specialty heat transfer equipment to the oil refining, gas processing, chemical and petrochemical industries…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Across International LLCacrossinternational.comHQ: Livingston, NJ, United StatesReported employees: 51-200 | Livingston, NJ, United States | 51-200 | Exact match | 28 contacts → |
“Founded and headquartered in New Jersey, Across International is the leading manufacturer of heat treatment and material processing equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Creative Thermal Solutions, INCcreativethermalsolutions.com HQ: Urbana, IL, United StatesReported employees: 51-200 | Urbana, IL, United States | 51-200 | Exact match | 23 contacts → |
“CTS began in late 2003 as a typical "garage business." Thermal system experiments were conducted in two closed loop wind tunnels and four environmental chambers housed in a steel…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Neptech INCneptechinc.com HQ: Highland, MI, United StatesReported employees: 11-50 | Highland, MI, United States | 11-50 | Exact match | 8 contacts → |
“Neptech, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Hi-Watt, INChiwattinc.com HQ: Fraser, MI, United StatesReported employees: 11-50 | Fraser, MI, United States | 11-50 | Exact match | 7 contacts → |
“Hi-Watt Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ohio Valley Industrial Servicesovisinc.com HQ: Moon Township, PA, United StatesReported employees: 11-50 | Moon Township, PA, United States | 11-50 | Exact match | 7 contacts → |
“Since 1981, Ohio Valley Industrial Services has been servicing Industry, Research and Power Generation with a variety of products ranging from instrumentation, to steam and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | TIP Temperature Productstiptemp.com HQ: Burlington, NJ, United StatesReported employees: 1-10 | Burlington, NJ, United States | 1-10 | Exact match | 6 contacts → |
“TIPTEMP is a woman-owned, veteran-owned, private company in Southern New Jersey.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mahan's Thermal Products, INCmahans.com HQ: Covington, GA, United StatesReported employees: 1-10 | Covington, GA, United States | 1-10 | Exact match | 4 contacts → |
“Mahan's Thermal Products has been in business since 1965 serving the industrial market with the design and sale of heat transfer solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | C&r Technologiescrtech.com HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 3 contacts → |
“CRTech provides products and services in the areas of heat transfer and fluid system design and analysis.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HX Coilshxcoils.com HQ: Broomall, PA, United StatesReported employees: 11-50 | Broomall, PA, United States | 11-50 | Exact match | 3 contacts → |
“HX Coils, dba Maiocco & Associates, is your #1 source for heat transfer equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Thermal & Process Sales INCthermpro.com HQ: Baton Rouge, LA, United StatesReported employees: 11-50 | Baton Rouge, LA, United States | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Prothermal INCprothermalinc.com HQ: Bridgeville, PA, United StatesReported employees: 1-10 | Bridgeville, PA, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 21 of 34 company matches
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Thermal radiation and convection apparatus suppliers: dataset insights
November 2, 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
34 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 34 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: November 2, 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 thermal radiation and convection apparatus suppliers?
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 thermal radiation and convection apparatus suppliers did RevenueBase find based in the United States?
The saved snapshot records 34 matching company records, 1,455 tracked contacts and 446 verified emails. The public preview displays 21 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: November 2, 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
Cite this list
RevenueBase Data Team. Top 21 thermal radiation and convection apparatus suppliers based in the United States. Snapshot: November 2, 2026. https://revenuebase.ai/companies/thermal-radiation-and-convection-apparatus-suppliers/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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 21 thermal radiation and convection apparatus suppliers based in the United States
RevenueBase records 34 matching company records for thermal radiation and convection apparatus suppliers based in the United States, with 1,455 tracked contacts and 446 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 2, 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 21 thermal radiation and convection apparatus suppliers 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 | API Heat Transferapiheattransfer.com HQ: Buffalo, NY, United StatesReported employees: 1,001-5,000 | Buffalo, NY, United States | 1,001-5,000 | Exact match | 379 contacts → |
“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ljungströmljungstrom.com HQ: Wellsville, NY, United StatesReported employees: 1,001-5,000 | Wellsville, NY, United States | 1,001-5,000 | Exact match | 189 contacts → |
“LJUNGSTRÖM is a global leader in heat transfer, energy technology, and advanced manufacturing, delivering engineered solutions that improve performance, reliability, and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Advanced Cooling Technologies, INC1-act.com HQ: Lancaster, PA, United StatesReported employees: 201-500 | Lancaster, PA, United States | 201-500 | Exact match | 189 contacts → |
“What We Do ACT develops passive and active thermal solutions for demanding environments where performance margins are tight and failure is costly.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Wolverine Tube, INCwlv.com HQ: Shawnee, OK, United StatesReported employees: 501-1,000 | Shawnee, OK, United States | 501-1,000 | Exact match | 165 contacts → |
“For over a century, Wolverine Tube has been an industry leader in providing innovative heat transfer solutions including the design, development, and fabrication of thermal…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Htri Heat Transfer Research, INChtri.net HQ: Navasota, TX, United StatesReported employees: 51-200 | Navasota, TX, United States | 51-200 | Exact match | 100 contacts → |
“HTRI is the global leader in process heat transfer technology and heat exchanger design software.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Steeltech LLCsteeltechltd.com HQ: Grand Rapids, MI, United StatesReported employees: 51-200 | Grand Rapids, MI, United States | 51-200 | Exact match | 55 contacts → |
“As a world class producer of superior heat and corrosion-resistant products for international and domestic markets since 1929, Steeltech achieves maximum customer satisfaction by…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Diversified Heat Transfer DHTdhtnet.com HQ: Towaco, NJ, United StatesReported employees: 51-200 | Towaco, NJ, United States | 51-200 | Exact match | 44 contacts → |
“Diversified Heat Transfer (DHT), is a leading engineering and manufacturing company of heat exchange equipment and systems for the residential, commercial, and industrial markets.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Thermcraftthermcraftinc.com HQ: Winston Salem, NC, United StatesReported employees: 51-200 | Winston Salem, NC, United States | 51-200 | Exact match | 43 contacts → |
“Thermcraft is an international leading manufacturer of thermal processing equipment including industrial and laboratory furnaces, industrial ovens, high temperature ceramic…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Federal Thermalfederalthermal.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 35 contacts → |
“Since 1918 Federal has been a leading thermal solutions provider in the Midwest.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Armstrong Chemtec Grouparmstrong-chemtec.com HQ: Coatesville, PA, United StatesReported employees: 51-200 | Coatesville, PA, United States | 51-200 | Exact match | 30 contacts → |
“The Armstrong Chemtec group of companies has been a major supplier of specialty heat transfer equipment to the oil refining, gas processing, chemical and petrochemical industries…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Across International LLCacrossinternational.com HQ: Livingston, NJ, United StatesReported employees: 51-200 | Livingston, NJ, United States | 51-200 | Exact match | 28 contacts → |
“Founded and headquartered in New Jersey, Across International is the leading manufacturer of heat treatment and material processing equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Creative Thermal Solutions, INCcreativethermalsolutions.com HQ: Urbana, IL, United StatesReported employees: 51-200 | Urbana, IL, United States | 51-200 | Exact match | 23 contacts → |
“CTS began in late 2003 as a typical "garage business." Thermal system experiments were conducted in two closed loop wind tunnels and four environmental chambers housed in a steel…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Neptech INCneptechinc.com HQ: Highland, MI, United StatesReported employees: 11-50 | Highland, MI, United States | 11-50 | Exact match | 8 contacts → |
“Neptech, Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Hi-Watt, INChiwattinc.com HQ: Fraser, MI, United StatesReported employees: 11-50 | Fraser, MI, United States | 11-50 | Exact match | 7 contacts → |
“Hi-Watt Inc.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ohio Valley Industrial Servicesovisinc.com HQ: Moon Township, PA, United StatesReported employees: 11-50 | Moon Township, PA, United States | 11-50 | Exact match | 7 contacts → |
“Since 1981, Ohio Valley Industrial Services has been servicing Industry, Research and Power Generation with a variety of products ranging from instrumentation, to steam and…” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | TIP Temperature Productstiptemp.com HQ: Burlington, NJ, United StatesReported employees: 1-10 | Burlington, NJ, United States | 1-10 | Exact match | 6 contacts → |
“TIPTEMP is a woman-owned, veteran-owned, private company in Southern New Jersey.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mahan's Thermal Products, INCmahans.com HQ: Covington, GA, United StatesReported employees: 1-10 | Covington, GA, United States | 1-10 | Exact match | 4 contacts → |
“Mahan's Thermal Products has been in business since 1965 serving the industrial market with the design and sale of heat transfer solutions.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | C&r Technologiescrtech.com HQ: Boulder, CO, United StatesReported employees: 11-50 | Boulder, CO, United States | 11-50 | Exact match | 3 contacts → |
“CRTech provides products and services in the areas of heat transfer and fluid system design and analysis.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HX Coilshxcoils.com HQ: Broomall, PA, United StatesReported employees: 11-50 | Broomall, PA, United States | 11-50 | Exact match | 3 contacts → |
“HX Coils, dba Maiocco & Associates, is your #1 source for heat transfer equipment.” Recorded description excerpt · November 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Thermal & Process Sales INCthermpro.com HQ: Baton Rouge, LA, United StatesReported employees: 11-50 | Baton Rouge, LA, United States | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Prothermal INCprothermalinc.com HQ: Bridgeville, PA, United StatesReported employees: 1-10 | Bridgeville, PA, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 21 of 34 company matches
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Thermal radiation and convection apparatus suppliers: dataset insights
November 2, 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
34 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 34 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: November 2, 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 thermal radiation and convection apparatus suppliers?
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 thermal radiation and convection apparatus suppliers did RevenueBase find based in the United States?
The saved snapshot records 34 matching company records, 1,455 tracked contacts and 446 verified emails. The public preview displays 21 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: November 2, 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
Cite this list
RevenueBase Data Team. Top 21 thermal radiation and convection apparatus suppliers based in the United States. Snapshot: November 2, 2026. https://revenuebase.ai/companies/thermal-radiation-and-convection-apparatus-suppliers/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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