Company lists · Data refreshed October 2026
Top 25 Duct heaters suppliers based in the United States
RevenueBase identified 60 company matches for duct heaters suppliers associated with the United States as of October 2026 and tracks 815 professional contacts across them, including 258 with verified work emails. Tulsa is the largest hub.
This list covers company matches for duct heaters 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 October 24, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest duct heaters suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 168 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 · Oct 24, 2026 · View company records in RevenueBase | |||||
| 2 | 76 contacts → | ||||
Exact match “Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 70 contacts → | ||||
Exact match “AWACP is a prominent seller of HVAC (Heating, Ventilation, and Air Conditioning) products in New York and is widely recognized as a leading supplier in the region.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 4 | 64 contacts → | ||||
Exact match “Nexthermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 5 | 30 contacts → | ||||
Exact match “SJH Inc is one of the world's largest producers of electric heating elements.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 6 | 26 contacts → | ||||
Exact match “Tulsa Heaters Midstream is a reliable, flexible heater and combustion company that specializes in the midstream Gas Processing industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Tutco-Farnam Custom Products is an industry leading custom electric heating elements manufacturer specializing in air heaters and flexible surface heaters.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Universal Supply Group is a full-service technical supply house and distributor of heating, ventilating and air conditioning (HVAC) equipment, parts and accessories.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Exotherm Corporation is a leader in the design and manufacturing of custom engineered process heaters for direct and indirect heating applications.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “Inside the Phoenix Metals sq ft facility, we manufacture HVAC duct, fittings and custom components at commercial scale with machinery investments driven by skilled CAD/CAM…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “Since 1947, Mar-Hy Distributors has been the trusted partner for HVAC contractors across Oregon and SW Washington.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “Hi-Watt Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “We pioneered the manufacture and use of spiral duct and fittings for heating, ventilating, and air conditioning (HVAC) in the USA.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “Tioga Air Heaters manufactures and sells direct fired, indirect fired, hot water, steam, and electric heaters, HEPA filters, fans, and other climate control products and…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “We are an industry leading manufacturer of custom heater elements, high and low temp furnace chambers, semiconductor diffusion heaters, ceramic vacuum formed heaters and…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Optimized for short runs, we are your one stop shop for immersion and air process electric heaters.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Stephenville Heat and Air provides full HVAC services for both residential and commercial construction.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Heaters for the Plating process” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “ADMP is a locally owned Texas Corporation based in Houston.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “HX Coils, dba Maiocco & Associates, is your #1 source for heat transfer equipment.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “HVAC Ductwork Contractor and Manufacturer.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “SunFire is the #1 leader in commercial grade radiant space heaters.” Recorded in the RevenueBase company graph · Oct 24, 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 heaters 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 25 of 60 duct heaters suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 258 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Duct heaters suppliers based in the United States at a glance
As of Oct 24, 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 60 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 “duct heaters 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 258 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 October 24, 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 “duct heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many duct heaters suppliers are there based in the United States?
RevenueBase identified 60 company matches for duct heaters suppliers associated with the United States as of October 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?
Marley Engineered Products tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most duct heaters suppliers?
Tulsa leads with 3 company records, followed by Houston (2) and Mentor (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 258 professional contacts with verified work emails tracked across these 60 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 October 24, 2026.
Ready to reach these companies? Verified emails and direct dials for all 60 duct heaters 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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- AI companies based in the United States
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Company intelligence · public preview
Top 25 duct heaters 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 60 matching company records for duct heaters suppliers based in the United States, with 815 tracked contacts and 258 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: October 24, 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 heaters 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 | Marley Engineered Productsmarleymep.com HQ: Bennettsville, SC, United StatesReported employees: 201-500 | Bennettsville, SC, United States | 201-500 | Exact match | 168 contacts → |
“Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sigma Thermal, INCsigmathermal.com HQ: Marietta, GA, United StatesReported employees: 51-200 | Marietta, GA, United States | 51-200 | Exact match | 76 contacts → |
“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Albert Weiss A C Products INCawacp.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 70 contacts → |
“AWACP is a prominent seller of HVAC (Heating, Ventilation, and Air Conditioning) products in New York and is widely recognized as a leading supplier in the region.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nexthermalnexthermal.com HQ: Battle Creek, MI, United StatesReported employees: 51-200 | Battle Creek, MI, United States | 51-200 | Exact match | 64 contacts → |
“Nexthermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sjh, Inc.sjh-us.com HQ: Chula Vista, CA, United StatesReported employees: 1,001-5,000 | Chula Vista, CA, United States | 1,001-5,000 | Exact match | 30 contacts → |
“SJH Inc is one of the world's largest producers of electric heating elements.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tulsa Heaters Midstreamtulsaheatersmidstream.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 26 contacts → |
“Tulsa Heaters Midstream is a reliable, flexible heater and combustion company that specializes in the midstream Gas Processing industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tutco-Farnam Custom Productsfarnam-custom.com HQ: Arden, NC, United StatesReported employees: 51-200 | Arden, NC, United States | 51-200 | Exact match | 26 contacts → |
“Tutco-Farnam Custom Products is an industry leading custom electric heating elements manufacturer specializing in air heaters and flexible surface heaters.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Universal Supply Groupusginc.com HQ: Hawthorne, NJ, United StatesReported employees: 51-200 | Hawthorne, NJ, United States | 51-200 | Exact match | 17 contacts → |
“Universal Supply Group is a full-service technical supply house and distributor of heating, ventilating and air conditioning (HVAC) equipment, parts and accessories.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Exotherm Corporationexotherm.com HQ: Magnolia, TX, United StatesReported employees: 11-50 | Magnolia, TX, United States | 11-50 | Exact match | 16 contacts → |
“Exotherm Corporation is a leader in the design and manufacturing of custom engineered process heaters for direct and indirect heating applications.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Phoenix Metals CMP Metalswemakeduct.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 14 contacts → |
“Inside the Phoenix Metals sq ft facility, we manufacture HVAC duct, fittings and custom components at commercial scale with machinery investments driven by skilled CAD/CAM…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mar-Hy Distributorsmarhy.com HQ: Milwaukie, OR, United StatesReported employees: 11-50 | Milwaukie, OR, United States | 11-50 | Exact match | 10 contacts → |
“Since 1947, Mar-Hy Distributors has been the trusted partner for HVAC contractors across Oregon and SW Washington.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mcgill Airflow LLCmcgillairflow.comHQ: Columbus, OH, United StatesReported employees: 51-200 | Columbus, OH, United States | 51-200 | Exact match | 7 contacts → |
“We pioneered the manufacture and use of spiral duct and fittings for heating, ventilating, and air conditioning (HVAC) in the USA.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tioga AIR Heaterstiogaairheaters.com HQ: Brooklyn Center, MN, United StatesReported employees: 11-50 | Brooklyn Center, MN, United States | 11-50 | Exact match | 6 contacts → |
“Tioga Air Heaters manufactures and sells direct fired, indirect fired, hot water, steam, and electric heaters, HEPA filters, fans, and other climate control products and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DS Fibertech Corporationdsfibertech.com HQ: Santee, CA, United StatesReported employees: 51-200 | Santee, CA, United States | 51-200 | Exact match | 6 contacts → |
“We are an industry leading manufacturer of custom heater elements, high and low temp furnace chambers, semiconductor diffusion heaters, ceramic vacuum formed heaters and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Heatmax Heatersheatmaxheaters.com HQ: Mentor, OH, United StatesReported employees: 11-50 | Mentor, OH, United States | 11-50 | Exact match | 5 contacts → |
“Optimized for short runs, we are your one stop shop for immersion and air process electric heaters.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Stephenville Heat And Air, INCstephenvilleheatandair.com HQ: Stephenville, TX, United StatesReported employees: 1-10 | Stephenville, TX, United States | 1-10 | Exact match | 4 contacts → |
“Stephenville Heat and Air provides full HVAC services for both residential and commercial construction.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | R.W. Holland, INCrwholland.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Heatertekheatertek.com HQ: Inglefield, IN, United StatesReported employees: 1-10 | Inglefield, IN, United States | 1-10 | Exact match | 3 contacts → |
“Heaters for the Plating process” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Admp, LLCadmp.usHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“ADMP is a locally owned Texas Corporation based in Houston.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Valad Electric Heating Corpvaladelectric.com HQ: Tarrytown, NY, United StatesReported employees: 11-50 | Tarrytown, NY, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | 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 · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dolphin Sheet Metal, INCdolphinsheetmetal.com HQ: Jupiter, FL, United StatesReported employees: 1-10 | Jupiter, FL, United States | 1-10 | Exact match | 3 contacts → |
“HVAC Ductwork Contractor and Manufacturer.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Akinsun Heat COakinsun.comHQ: Schaumburg, IL, United StatesReported employees: 1-10 | Schaumburg, IL, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Sunfire Heaterssunfireheaters.com HQ: Janesville, WI, United StatesReported employees: 51-200 | Janesville, WI, United States | 51-200 | Exact match | 2 contacts → |
“SunFire is the #1 leader in commercial grade radiant space heaters.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 60 company matches
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Duct heaters suppliers: dataset insights
October 24, 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
60 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 60 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: October 24, 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 duct heaters 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 duct heaters suppliers did RevenueBase find based in the United States?
The saved snapshot records 60 matching company records, 815 tracked contacts and 258 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: October 24, 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
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Cite this list
RevenueBase Data Team. Top 25 duct heaters suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/duct-heaters-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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- New lists
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Company intelligence · public preview
Top 25 duct heaters suppliers based in the United States
RevenueBase records 60 matching company records for duct heaters suppliers based in the United States, with 815 tracked contacts and 258 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: October 24, 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 heaters 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 | Marley Engineered Productsmarleymep.com HQ: Bennettsville, SC, United StatesReported employees: 201-500 | Bennettsville, SC, United States | 201-500 | Exact match | 168 contacts → |
“Marley Engineered Products® draws upon a long history of providing reliable comfort heating and ventilation solutions.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sigma Thermal, INCsigmathermal.com HQ: Marietta, GA, United StatesReported employees: 51-200 | Marietta, GA, United States | 51-200 | Exact match | 76 contacts → |
“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Albert Weiss A C Products INCawacp.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 70 contacts → |
“AWACP is a prominent seller of HVAC (Heating, Ventilation, and Air Conditioning) products in New York and is widely recognized as a leading supplier in the region.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nexthermalnexthermal.com HQ: Battle Creek, MI, United StatesReported employees: 51-200 | Battle Creek, MI, United States | 51-200 | Exact match | 64 contacts → |
“Nexthermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sjh, Inc.sjh-us.com HQ: Chula Vista, CA, United StatesReported employees: 1,001-5,000 | Chula Vista, CA, United States | 1,001-5,000 | Exact match | 30 contacts → |
“SJH Inc is one of the world's largest producers of electric heating elements.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tulsa Heaters Midstreamtulsaheatersmidstream.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 26 contacts → |
“Tulsa Heaters Midstream is a reliable, flexible heater and combustion company that specializes in the midstream Gas Processing industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tutco-Farnam Custom Productsfarnam-custom.com HQ: Arden, NC, United StatesReported employees: 51-200 | Arden, NC, United States | 51-200 | Exact match | 26 contacts → |
“Tutco-Farnam Custom Products is an industry leading custom electric heating elements manufacturer specializing in air heaters and flexible surface heaters.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Universal Supply Groupusginc.com HQ: Hawthorne, NJ, United StatesReported employees: 51-200 | Hawthorne, NJ, United States | 51-200 | Exact match | 17 contacts → |
“Universal Supply Group is a full-service technical supply house and distributor of heating, ventilating and air conditioning (HVAC) equipment, parts and accessories.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Exotherm Corporationexotherm.com HQ: Magnolia, TX, United StatesReported employees: 11-50 | Magnolia, TX, United States | 11-50 | Exact match | 16 contacts → |
“Exotherm Corporation is a leader in the design and manufacturing of custom engineered process heaters for direct and indirect heating applications.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Phoenix Metals CMP Metalswemakeduct.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 14 contacts → |
“Inside the Phoenix Metals sq ft facility, we manufacture HVAC duct, fittings and custom components at commercial scale with machinery investments driven by skilled CAD/CAM…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mar-Hy Distributorsmarhy.com HQ: Milwaukie, OR, United StatesReported employees: 11-50 | Milwaukie, OR, United States | 11-50 | Exact match | 10 contacts → |
“Since 1947, Mar-Hy Distributors has been the trusted partner for HVAC contractors across Oregon and SW Washington.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mcgill Airflow LLCmcgillairflow.com HQ: Columbus, OH, United StatesReported employees: 51-200 | Columbus, OH, United States | 51-200 | Exact match | 7 contacts → |
“We pioneered the manufacture and use of spiral duct and fittings for heating, ventilating, and air conditioning (HVAC) in the USA.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tioga AIR Heaterstiogaairheaters.com HQ: Brooklyn Center, MN, United StatesReported employees: 11-50 | Brooklyn Center, MN, United States | 11-50 | Exact match | 6 contacts → |
“Tioga Air Heaters manufactures and sells direct fired, indirect fired, hot water, steam, and electric heaters, HEPA filters, fans, and other climate control products and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | DS Fibertech Corporationdsfibertech.com HQ: Santee, CA, United StatesReported employees: 51-200 | Santee, CA, United States | 51-200 | Exact match | 6 contacts → |
“We are an industry leading manufacturer of custom heater elements, high and low temp furnace chambers, semiconductor diffusion heaters, ceramic vacuum formed heaters and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Heatmax Heatersheatmaxheaters.com HQ: Mentor, OH, United StatesReported employees: 11-50 | Mentor, OH, United States | 11-50 | Exact match | 5 contacts → |
“Optimized for short runs, we are your one stop shop for immersion and air process electric heaters.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Stephenville Heat And Air, INCstephenvilleheatandair.com HQ: Stephenville, TX, United StatesReported employees: 1-10 | Stephenville, TX, United States | 1-10 | Exact match | 4 contacts → |
“Stephenville Heat and Air provides full HVAC services for both residential and commercial construction.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | R.W. Holland, INCrwholland.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Heatertekheatertek.com HQ: Inglefield, IN, United StatesReported employees: 1-10 | Inglefield, IN, United States | 1-10 | Exact match | 3 contacts → |
“Heaters for the Plating process” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Admp, LLCadmp.us HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“ADMP is a locally owned Texas Corporation based in Houston.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Valad Electric Heating Corpvaladelectric.com HQ: Tarrytown, NY, United StatesReported employees: 11-50 | Tarrytown, NY, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | 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 · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dolphin Sheet Metal, INCdolphinsheetmetal.com HQ: Jupiter, FL, United StatesReported employees: 1-10 | Jupiter, FL, United States | 1-10 | Exact match | 3 contacts → |
“HVAC Ductwork Contractor and Manufacturer.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Akinsun Heat COakinsun.com HQ: Schaumburg, IL, United StatesReported employees: 1-10 | Schaumburg, IL, United States | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Sunfire Heaterssunfireheaters.com HQ: Janesville, WI, United StatesReported employees: 51-200 | Janesville, WI, United States | 51-200 | Exact match | 2 contacts → |
“SunFire is the #1 leader in commercial grade radiant space heaters.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 60 company matches
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Duct heaters suppliers: dataset insights
October 24, 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
60 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 60 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: October 24, 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 duct heaters 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 duct heaters suppliers did RevenueBase find based in the United States?
The saved snapshot records 60 matching company records, 815 tracked contacts and 258 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: October 24, 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 duct heaters suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/duct-heaters-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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