Company lists · Data refreshed September 2026
Top 25 Duct heater manufacturers worldwide
RevenueBase identified 952 company matches for duct heater manufacturers worldwide as of September 2026 and tracks 12,683 professional contacts across them, including 3,379 with verified work emails. The United States is the largest market and Delhi the largest hub.
This list covers company matches for duct heater manufacturers worldwide, 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 30, 2026. Country and city lists for duct heater manufacturers follow the table.
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 duct heater manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,208 contacts → | ||||
Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 635 contacts → | ||||
Exact match “When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 316 contacts → | ||||
Exact match “Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 235 contacts → | ||||
Exact match “Southwark Metal Mfg.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 188 contacts → | ||||
Exact match “HC is a design and manufacturing business that specialises in heating, ventilation, air conditioning, and refrigeration equipment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 184 contacts → | ||||
Exact match “Established in 2004, Alliance Air Products designs and manufactures custom HVAC solutions to meet any specification, including the most demanding commercial and industrial…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 171 contacts → | ||||
Exact match “Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 170 contacts → | ||||
Exact match “Founded in 1976, Neptronic is a private corporation that designs, manufactures and distributes products for the HVAC industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 167 contacts → | ||||
Exact match “Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 142 contacts → | ||||
Exact match “At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 140 contacts → | ||||
Exact match “Advanced Distributor Products (ADP) started with a vision to produce the best evaporator coils in the country.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 131 contacts → | ||||
Exact match “Sabiana is an Italian company that since 1929 has designed, manufactured and sold innovative heating and air conditioning equipment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 119 contacts → | ||||
Exact match “Founded in 1938, Tutco has quickly grown into a global leader in the heating component industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 105 contacts → | ||||
Exact match “Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 96 contacts → | ||||
Exact match “With over 25 years of experience, we are one of India’s most trusted names in industrial heating and energy solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 85 contacts → | ||||
Exact match “Tubular heating elements (well-known as heaters) are manufactured by Backer OBR following the same technical principle that Christian Backer took out a patent for in the year 1921.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 79 contacts → | ||||
Exact match “Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 75 contacts → | ||||
Exact match “Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 75 contacts → | ||||
Exact match “Founded in 1972, Tempco is a trusted manufacturer and designer specializing in high-quality electric heating elements, temperature sensors, and power control products for…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 72 contacts → | ||||
Exact match “Why King?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 71 contacts → | ||||
Exact match “Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 70 contacts → | ||||
Exact match “Snappy Company Inc.(“Snappy”) is the national leader in the design and manufacture of galvanized steel pipe, duct and fittings which distribute conditioned air throughout HVAC…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 67 contacts → | ||||
Exact match “Theeta is a largest producer and exporter of tubular heating elements for domestic and industrial applications in India.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 66 contacts → | ||||
Exact match “ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 59 contacts → | ||||
Exact match “Tempsens Instruments (India) Limited- Heater Division is one of the largest manufacturers of Industrial Heaters and temperature sensors in India.” Recorded in the RevenueBase company graph · Sep 30, 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 “duct heater manufacturers”. 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 952 duct heater manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 3,379 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Duct heater manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for duct heater manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “duct heater manufacturers” 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. 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 3,379 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 30, 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.
Duct heater manufacturers by location
6 lists · largest firstEvery Duct heater manufacturers 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 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 “duct heater manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many duct heater manufacturers are there worldwide?
RevenueBase identified 952 company matches for duct heater manufacturers worldwide 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?
Aaon, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most duct heater manufacturers?
The United States leads with 201 companies, followed by India (172) and the United Kingdom (60). Every duct heater manufacturers list by country and city is linked on this page.
Which city has the most duct heater manufacturers?
Delhi leads with 17 company records, followed by Mumbai (14) and Ahmedabad (11).
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 3,379 professional contacts with verified work emails tracked across these 952 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 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 952 duct heater manufacturers worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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
Company intelligence · public preview
Top 25 duct heater manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 952 matching company records for duct heater manufacturers worldwide, with 12,683 tracked contacts and 3,379 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 30, 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 duct heater manufacturers 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 |  Aaon, INCaaon.comHQ: Tulsa, OK, United StatesReported employees: 1,001-5,000 | Tulsa, OK, United States | 1,001-5,000 | Exact match | 1,208 contacts → |
“Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Chromaloxchromalox.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 635 contacts → |
“When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Nailor Industries, INCnailor.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 316 contacts → |
“Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Southwark Metal Mfg. COsouthwarkmetal.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 235 contacts → |
“Southwark Metal Mfg.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  HChcaircon.hcgroup.co.zaHQ: Johannesburg, South AfricaReported employees: 201-500 | Johannesburg, South Africa | 201-500 | Exact match | 188 contacts → |
“HC is a design and manufacturing business that specialises in heating, ventilation, air conditioning, and refrigeration equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Alliance AIR Productsallianceairproducts.comHQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 184 contacts → |
“Established in 2004, Alliance Air Products designs and manufactures custom HVAC solutions to meet any specification, including the most demanding commercial and industrial…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 171 contacts → |
“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Neptronicneptronic.comHQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 170 contacts → |
“Founded in 1976, Neptronic is a private corporation that designs, manufactures and distributes products for the HVAC industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Marley Engineered Productsmarleymep.com HQ: Bennettsville, SC, United StatesReported employees: 201-500 | Bennettsville, SC, United States | 201-500 | Exact match | 167 contacts → |
“Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Exheatexheat.com HQ: Watton, United KingdomReported employees: 51-200 | Watton, United Kingdom | 51-200 | Exact match | 142 contacts → |
“At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Advanced Distributor Productsadpnow.comHQ: Stone Mountain, GA, United StatesReported employees: 501-1,000 | Stone Mountain, GA, United States | 501-1,000 | Exact match | 140 contacts → |
“Advanced Distributor Products (ADP) started with a vision to produce the best evaporator coils in the country.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Sabiana SPAsabiana.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 131 contacts → |
“Sabiana is an Italian company that since 1929 has designed, manufactured and sold innovative heating and air conditioning equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | TUTCOtutco.com HQ: Cookeville, TN, United StatesReported employees: 1,001-5,000 | Cookeville, TN, United States | 1,001-5,000 | Exact match | 119 contacts → |
“Founded in 1938, Tutco has quickly grown into a global leader in the heating component industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Thermowattthermowatt.com HQ: Arcevia, ItalyReported employees: 501-1,000 | Arcevia, Italy | 501-1,000 | Exact match | 105 contacts → |
“Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thermodyne Engineering Systemthermodyneboilers.com HQ: Ghaziabad, IndiaReported employees: 201-500 | Ghaziabad, India | 201-500 | Exact match | 96 contacts → |
“With over 25 years of experience, we are one of India’s most trusted names in industrial heating and energy solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Backer OBR Sp. Z O.Obackerobr.pl HQ: PolandReported employees: 501-1,000 | Poland | 501-1,000 | Exact match | 85 contacts → |
“Tubular heating elements (well-known as heaters) are manufactured by Backer OBR following the same technical principle that Christian Backer took out a patent for in the year 1921.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Boustead International Heatersbihl.com HQ: Burgess Hill, United KingdomReported employees: 51-200 | Burgess Hill, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sigma Thermal, INCsigmathermal.com HQ: Marietta, GA, United StatesReported employees: 51-200 | Marietta, GA, United States | 51-200 | Exact match | 75 contacts → |
“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tempco Electric Heater Corporationtempco.com HQ: Wood Dale, IL, United StatesReported employees: 201-500 | Wood Dale, IL, United States | 201-500 | Exact match | 75 contacts → |
“Founded in 1972, Tempco is a trusted manufacturer and designer specializing in high-quality electric heating elements, temperature sensors, and power control products for…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | King Electrical Mfg. COking-electric.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 72 contacts → |
“Why King?” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Heatec, An Astec Brandastecindustries.comHQ: Chattanooga, TN, United StatesReported employees: 201-500 | Chattanooga, TN, United States | 201-500 | Exact match | 71 contacts → |
“Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Snappysnappyco.com HQ: Detroit Lakes, MN, IndiaReported employees: 51-200 | Detroit Lakes, MN, India | 51-200 | Exact match | 70 contacts → |
“Snappy Company Inc.(“Snappy”) is the national leader in the design and manufacture of galvanized steel pipe, duct and fittings which distribute conditioned air throughout HVAC…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Theeta Electricals Pvt. LTDtheeta.com HQ: Manesar, IndiaReported employees: 501-1,000 | Manesar, India | 501-1,000 | Exact match | 67 contacts → |
“Theeta is a largest producer and exporter of tubular heating elements for domestic and industrial applications in India.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  ICE Western Salesicewestern.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 66 contacts → |
“ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tempsens Instruments India Limited- Heater Divisionmarathonheat.com HQ: Udaipur, IndiaReported employees: 51-200 | Udaipur, India | 51-200 | Exact match | 59 contacts → |
“Tempsens Instruments (India) Limited- Heater Division is one of the largest manufacturers of Industrial Heaters and temperature sensors in India.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 952 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Duct heater manufacturers: dataset insights
September 30, 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
945 records in the displayed employee bands.
7 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 952 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 30, 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 ↗
Duct heater manufacturers by location
6 lists · largest firstEvery Duct heater manufacturers 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 duct heater manufacturers?
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 duct heater manufacturers did RevenueBase find worldwide?
The saved snapshot records 952 matching company records, 12,683 tracked contacts and 3,379 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 30, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 duct heater manufacturers worldwide. Snapshot: September 30, 2026. https://revenuebase.ai/companies/browse/duct-heater-manufacturers.
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 duct heater manufacturers worldwide
RevenueBase records 952 matching company records for duct heater manufacturers worldwide, with 12,683 tracked contacts and 3,379 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 30, 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 duct heater manufacturers 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 | Aaon, INCaaon.com HQ: Tulsa, OK, United StatesReported employees: 1,001-5,000 | Tulsa, OK, United States | 1,001-5,000 | Exact match | 1,208 contacts → |
“Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Chromaloxchromalox.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 635 contacts → |
“When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Nailor Industries, INCnailor.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 316 contacts → |
“Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Southwark Metal Mfg. COsouthwarkmetal.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 235 contacts → |
“Southwark Metal Mfg.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HChcaircon.hcgroup.co.za HQ: Johannesburg, South AfricaReported employees: 201-500 | Johannesburg, South Africa | 201-500 | Exact match | 188 contacts → |
“HC is a design and manufacturing business that specialises in heating, ventilation, air conditioning, and refrigeration equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Alliance AIR Productsallianceairproducts.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 184 contacts → |
“Established in 2004, Alliance Air Products designs and manufactures custom HVAC solutions to meet any specification, including the most demanding commercial and industrial…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 171 contacts → |
“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Neptronicneptronic.com HQ: Montreal, QC, CanadaReported employees: 201-500 | Montreal, QC, Canada | 201-500 | Exact match | 170 contacts → |
“Founded in 1976, Neptronic is a private corporation that designs, manufactures and distributes products for the HVAC industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Marley Engineered Productsmarleymep.com HQ: Bennettsville, SC, United StatesReported employees: 201-500 | Bennettsville, SC, United States | 201-500 | Exact match | 167 contacts → |
“Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Exheatexheat.com HQ: Watton, United KingdomReported employees: 51-200 | Watton, United Kingdom | 51-200 | Exact match | 142 contacts → |
“At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Advanced Distributor Productsadpnow.com HQ: Stone Mountain, GA, United StatesReported employees: 501-1,000 | Stone Mountain, GA, United States | 501-1,000 | Exact match | 140 contacts → |
“Advanced Distributor Products (ADP) started with a vision to produce the best evaporator coils in the country.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Sabiana SPAsabiana.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 131 contacts → |
“Sabiana is an Italian company that since 1929 has designed, manufactured and sold innovative heating and air conditioning equipment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | TUTCOtutco.com HQ: Cookeville, TN, United StatesReported employees: 1,001-5,000 | Cookeville, TN, United States | 1,001-5,000 | Exact match | 119 contacts → |
“Founded in 1938, Tutco has quickly grown into a global leader in the heating component industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Thermowattthermowatt.com HQ: Arcevia, ItalyReported employees: 501-1,000 | Arcevia, Italy | 501-1,000 | Exact match | 105 contacts → |
“Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thermodyne Engineering Systemthermodyneboilers.com HQ: Ghaziabad, IndiaReported employees: 201-500 | Ghaziabad, India | 201-500 | Exact match | 96 contacts → |
“With over 25 years of experience, we are one of India’s most trusted names in industrial heating and energy solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Backer OBR Sp. Z O.Obackerobr.pl HQ: PolandReported employees: 501-1,000 | Poland | 501-1,000 | Exact match | 85 contacts → |
“Tubular heating elements (well-known as heaters) are manufactured by Backer OBR following the same technical principle that Christian Backer took out a patent for in the year 1921.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Boustead International Heatersbihl.com HQ: Burgess Hill, United KingdomReported employees: 51-200 | Burgess Hill, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sigma Thermal, INCsigmathermal.com HQ: Marietta, GA, United StatesReported employees: 51-200 | Marietta, GA, United States | 51-200 | Exact match | 75 contacts → |
“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tempco Electric Heater Corporationtempco.com HQ: Wood Dale, IL, United StatesReported employees: 201-500 | Wood Dale, IL, United States | 201-500 | Exact match | 75 contacts → |
“Founded in 1972, Tempco is a trusted manufacturer and designer specializing in high-quality electric heating elements, temperature sensors, and power control products for…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | King Electrical Mfg. COking-electric.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 72 contacts → |
“Why King?” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Heatec, An Astec Brandastecindustries.com HQ: Chattanooga, TN, United StatesReported employees: 201-500 | Chattanooga, TN, United States | 201-500 | Exact match | 71 contacts → |
“Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Snappysnappyco.com HQ: Detroit Lakes, MN, IndiaReported employees: 51-200 | Detroit Lakes, MN, India | 51-200 | Exact match | 70 contacts → |
“Snappy Company Inc.(“Snappy”) is the national leader in the design and manufacture of galvanized steel pipe, duct and fittings which distribute conditioned air throughout HVAC…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Theeta Electricals Pvt. LTDtheeta.com HQ: Manesar, IndiaReported employees: 501-1,000 | Manesar, India | 501-1,000 | Exact match | 67 contacts → |
“Theeta is a largest producer and exporter of tubular heating elements for domestic and industrial applications in India.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ICE Western Salesicewestern.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 66 contacts → |
“ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tempsens Instruments India Limited- Heater Divisionmarathonheat.com HQ: Udaipur, IndiaReported employees: 51-200 | Udaipur, India | 51-200 | Exact match | 59 contacts → |
“Tempsens Instruments (India) Limited- Heater Division is one of the largest manufacturers of Industrial Heaters and temperature sensors in India.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 952 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Duct heater manufacturers: dataset insights
September 30, 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
945 records in the displayed employee bands.
7 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 952 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 30, 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 ↗
Duct heater manufacturers by location
6 lists · largest firstEvery Duct heater manufacturers 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 duct heater manufacturers?
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 duct heater manufacturers did RevenueBase find worldwide?
The saved snapshot records 952 matching company records, 12,683 tracked contacts and 3,379 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 30, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 duct heater manufacturers worldwide. Snapshot: September 30, 2026. https://revenuebase.ai/companies/browse/duct-heater-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗