Company lists · Data refreshed October 2026
Top 25 Ductboard collars suppliers worldwide
RevenueBase identified 58 company matches for ductboard collars suppliers worldwide as of October 2026 and tracks 772 professional contacts across them, including 175 with verified work emails. The United States is the largest market and Bangalore the largest hub.
This list covers company matches for ductboard collars suppliers 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 October 24, 2026. Country and city lists for ductboard collars suppliers 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 ductboard collars suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 240 contacts → | ||||
Exact match “Southwark Metal Mfg.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 2 | 71 contacts → | ||||
Exact match “Ductmate Industries, Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 61 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 4 | 26 contacts → | ||||
Exact match “RAM Fabrication manufactures ductwork and fittings for wholesale HVAC suppliers and Heating and Air Contractors as well as fabricated roofing products.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 5 | 25 contacts → | ||||
Exact match “Founded in 1969, Sheet Metal Connectors, Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 6 | 24 contacts → | ||||
Exact match “As the UK market leader, and largest UK manufacturer of Ductwork Jointing Systems & Components, we supply four different flange systems suiting all HVAC needs and providing the…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 7 | 19 contacts → | ||||
Exact match “Seal-Tite® is America's preferred manufacturer of air distribution systems.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “AccuDuct Manufacturing began providing products to the HVAC industry in 1987.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “Zinger Sheet Metal is a fabricator of rectangular, round, and oval duct for commercial and industrial applications.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Plenums Plus is a Southern California manufacturer that specializes in fabricating rectangular, round, and flat oval duct & fittings in a variety of materials.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 11 | 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 | |||||
| 12 | 13 contacts → | ||||
Exact match “Advance Sheet Metal is a company based out of Canada.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Established in 1992, Mechanical Air Supplies has gained an enviable reputation for value, reliability and quality.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Our product line contains important key components in any HVAC system including elbows, boots, duct, spiral pipe, furnace solutions, hoods, plenum & more.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Established in 1967, LAMBRO focuses on providing ventilation solutions for HVAC air distribution in both residential and commercial markets.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “Sinds 1935 is De Groot Luchtkanalen een zelfstandig familiebedrijf gespecialiseerd in de fabricage, constructie, levering en montage van luchtkanalen en toebehoren.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match “CLWARD is manufacturer of HVAC sheet metal accessory products used in the commercial and light industrial markets.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 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 | |||||
| 19 | 7 contacts → | ||||
Exact match “Flexmaster U.S.A.® HVAC Product Line - The Best Air Distribution Products in the Industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 20 | 7 contacts → | ||||
Exact match “Standard Tinsmith Supply, established in 1914, has proudly remained a family-owned and operated business for over years-carrying the same name, values, and dedication through four…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “SET Duct Manufacturing provides HVAC duct work to the construction industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “HFC Enterprises Inc's DuraFlange and DC ring set is an efficient, rigid and lightweight oval and round duct connector designed to minimize installation times and maximize…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Hennemuth Metal Fabricators, family owned since 1954, is a full-service ductwork fabricator specializing in rectangular and spiral ductwork for commercial and residential HVAC…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Bluestream Group has the experience, expertise and equipment to manufacture and supply all your HVAC and air transfer sheetmetal ducting needs.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “For over 50 years, Cody Company has and continues to be a premier manufacturer of pre-fabricated duct and fittings.” 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 “ductboard collars 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 58 ductboard collars suppliers worldwide
See the full list, filter by size, metro and specialty, and access 175 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ductboard collars suppliers worldwide at a glance
As of Oct 24, 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 ductboard collars suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “ductboard collars 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. 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 175 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.
Ductboard collars suppliers by location
1 lists · largest firstEvery Ductboard collars suppliers 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 “ductboard collars suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ductboard collars suppliers are there worldwide?
RevenueBase identified 58 company matches for ductboard collars suppliers worldwide 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?
Southwark Metal Mfg. CO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most ductboard collars suppliers?
The United States leads with 26 companies. Every ductboard collars suppliers list by country and city is linked on this page.
Which city has the most ductboard collars suppliers?
Bangalore leads with 2 company records, followed by Houston (2) and Acacia Ridge (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 175 professional contacts with verified work emails tracked across these 58 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 58 ductboard collars suppliers worldwide. 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.
More company lists
Company intelligence · public preview
Top 25 ductboard collars suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 58 matching company records for ductboard collars suppliers worldwide, with 772 tracked contacts and 175 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 ductboard collars suppliers 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 | 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 | 240 contacts → |
“Southwark Metal Mfg.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ductmate Industriesductmate.com HQ: Charleroi, PA, BelgiumReported employees: 51-200 | Charleroi, PA, Belgium | 51-200 | Exact match | 71 contacts → |
“Ductmate Industries, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | PT Indo Ducting Primatamaindoducting.co.id HQ: IndonesiaReported employees: 51-200 | Indonesia | 51-200 | Exact match | 61 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  RAM Fabricationramfab.comHQ: Sterling, VA, United StatesReported employees: 51-200 | Sterling, VA, United States | 51-200 | Exact match | 26 contacts → |
“RAM Fabrication manufactures ductwork and fittings for wholesale HVAC suppliers and Heating and Air Contractors as well as fabricated roofing products.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sheet Metal Connectors, INCsmcduct.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 25 contacts → |
“Founded in 1969, Sheet Metal Connectors, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Doby Verrolecdobyverrolec.com HQ: Stanley, United KingdomReported employees: 51-200 | Stanley, United Kingdom | 51-200 | Exact match | 24 contacts → |
“As the UK market leader, and largest UK manufacturer of Ductwork Jointing Systems & Components, we supply four different flange systems suiting all HVAC needs and providing the…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Seal-Tite, LLCsealtitehvac.com HQ: Hillsboro, OH, United StatesReported employees: 51-200 | Hillsboro, OH, United States | 51-200 | Exact match | 19 contacts → |
“Seal-Tite® is America's preferred manufacturer of air distribution systems.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Accuduct Manufacturing, INCaccuduct.com HQ: Algona, WA, United StatesReported employees: 51-200 | Algona, WA, United States | 51-200 | Exact match | 19 contacts → |
“AccuDuct Manufacturing began providing products to the HVAC industry in 1987.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zinger Sheet Metal COzingersheetmetal.comHQ: Grand Rapids, MI, United StatesReported employees: 11-50 | Grand Rapids, MI, United States | 11-50 | Exact match | 15 contacts → |
“Zinger Sheet Metal is a fabricator of rectangular, round, and oval duct for commercial and industrial applications.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Plenums Plusplenumsplus.com HQ: Chula Vista, United StatesReported employees: 51-200 | Chula Vista, United States | 51-200 | Exact match | 15 contacts → |
“Plenums Plus is a Southern California manufacturer that specializes in fabricating rectangular, round, and flat oval duct & fittings in a variety of materials.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | Advance Sheet Metaladvancesheetmetal.com HQ: CanadaReported employees: 11-50 | Canada | 11-50 | Exact match | 13 contacts → |
“Advance Sheet Metal is a company based out of Canada.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mechanical AIR Supplies LTDmasltd.com HQ: Leatherhead, United KingdomReported employees: 11-50 | Leatherhead, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Established in 1992, Mechanical Air Supplies has gained an enviable reputation for value, reliability and quality.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tradesman Manufacturing Grouptradesmanmfg.ca HQ: Lethbridge, AB, CanadaReported employees: 11-50 | Lethbridge, AB, Canada | 11-50 | Exact match | 11 contacts → |
“Our product line contains important key components in any HVAC system including elbows, boots, duct, spiral pipe, furnace solutions, hoods, plenum & more.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lambro Industries, INClambro.net HQ: Amityville, NY, United StatesReported employees: 51-200 | Amityville, NY, United States | 51-200 | Exact match | 10 contacts → |
“Established in 1967, LAMBRO focuses on providing ventilation solutions for HVAC air distribution in both residential and commercial markets.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DE Groot Luchtkanalen B.Vdegrootluchtkanalen.nl HQ: Weesp, NetherlandsReported employees: 11-50 | Weesp, Netherlands | 11-50 | Exact match | 8 contacts → |
“Sinds 1935 is De Groot Luchtkanalen een zelfstandig familiebedrijf gespecialiseerd in de fabricage, constructie, levering en montage van luchtkanalen en toebehoren.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Clward, INCclward.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 8 contacts → |
“CLWARD is manufacturer of HVAC sheet metal accessory products used in the commercial and light industrial markets.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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. | |||||
| 19 | Flexmaster U.S.Aflexmasterusa.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 7 contacts → |
“Flexmaster U.S.A.® HVAC Product Line - The Best Air Distribution Products in the Industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Standard Tinsmith Supplytinsmith.com HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 7 contacts → |
“Standard Tinsmith Supply, established in 1914, has proudly remained a family-owned and operated business for over years-carrying the same name, values, and dedication through four…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SET Duct Manufacturing, INCsetduct.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 5 contacts → |
“SET Duct Manufacturing provides HVAC duct work to the construction industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HFC Enterprises INChfcenterprises.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 5 contacts → |
“HFC Enterprises Inc's DuraFlange and DC ring set is an efficient, rigid and lightweight oval and round duct connector designed to minimize installation times and maximize…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hennemuth Metal Fabricatorshmfduct.com HQ: Oakdale, PA, United StatesReported employees: 11-50 | Oakdale, PA, United States | 11-50 | Exact match | 4 contacts → |
“Hennemuth Metal Fabricators, family owned since 1954, is a full-service ductwork fabricator specializing in rectangular and spiral ductwork for commercial and residential HVAC…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bluestream Group PTY LTDbluestreamgroup.com.au HQ: Bundaberg, AustraliaReported employees: 1-10 | Bundaberg, Australia | 1-10 | Exact match | 4 contacts → |
“Bluestream Group has the experience, expertise and equipment to manufacture and supply all your HVAC and air transfer sheetmetal ducting needs.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cody Company LLCcodycompany.com HQ: Ennis, TX, United StatesReported employees: 51-200 | Ennis, TX, United States | 51-200 | Exact match | 4 contacts → |
“For over 50 years, Cody Company has and continues to be a premier manufacturer of pre-fabricated duct and fittings.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Ductboard collars 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
58 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 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 58 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 ↗
Ductboard collars suppliers by location
1 lists · largest firstEvery Ductboard collars suppliers 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 ductboard collars 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 ductboard collars suppliers did RevenueBase find worldwide?
The saved snapshot records 58 matching company records, 772 tracked contacts and 175 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 ductboard collars suppliers worldwide. Snapshot: October 24, 2026. https://revenuebase.ai/companies/browse/ductboard-collars-suppliers.
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 ductboard collars suppliers worldwide
RevenueBase records 58 matching company records for ductboard collars suppliers worldwide, with 772 tracked contacts and 175 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 ductboard collars suppliers 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 | 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 | 240 contacts → |
“Southwark Metal Mfg.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ductmate Industriesductmate.com HQ: Charleroi, PA, BelgiumReported employees: 51-200 | Charleroi, PA, Belgium | 51-200 | Exact match | 71 contacts → |
“Ductmate Industries, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | PT Indo Ducting Primatamaindoducting.co.id HQ: IndonesiaReported employees: 51-200 | Indonesia | 51-200 | Exact match | 61 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | RAM Fabricationramfab.com HQ: Sterling, VA, United StatesReported employees: 51-200 | Sterling, VA, United States | 51-200 | Exact match | 26 contacts → |
“RAM Fabrication manufactures ductwork and fittings for wholesale HVAC suppliers and Heating and Air Contractors as well as fabricated roofing products.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sheet Metal Connectors, INCsmcduct.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 25 contacts → |
“Founded in 1969, Sheet Metal Connectors, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Doby Verrolecdobyverrolec.com HQ: Stanley, United KingdomReported employees: 51-200 | Stanley, United Kingdom | 51-200 | Exact match | 24 contacts → |
“As the UK market leader, and largest UK manufacturer of Ductwork Jointing Systems & Components, we supply four different flange systems suiting all HVAC needs and providing the…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Seal-Tite, LLCsealtitehvac.com HQ: Hillsboro, OH, United StatesReported employees: 51-200 | Hillsboro, OH, United States | 51-200 | Exact match | 19 contacts → |
“Seal-Tite® is America's preferred manufacturer of air distribution systems.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Accuduct Manufacturing, INCaccuduct.com HQ: Algona, WA, United StatesReported employees: 51-200 | Algona, WA, United States | 51-200 | Exact match | 19 contacts → |
“AccuDuct Manufacturing began providing products to the HVAC industry in 1987.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zinger Sheet Metal COzingersheetmetal.com HQ: Grand Rapids, MI, United StatesReported employees: 11-50 | Grand Rapids, MI, United States | 11-50 | Exact match | 15 contacts → |
“Zinger Sheet Metal is a fabricator of rectangular, round, and oval duct for commercial and industrial applications.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Plenums Plusplenumsplus.com HQ: Chula Vista, United StatesReported employees: 51-200 | Chula Vista, United States | 51-200 | Exact match | 15 contacts → |
“Plenums Plus is a Southern California manufacturer that specializes in fabricating rectangular, round, and flat oval duct & fittings in a variety of materials.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | Advance Sheet Metaladvancesheetmetal.com HQ: CanadaReported employees: 11-50 | Canada | 11-50 | Exact match | 13 contacts → |
“Advance Sheet Metal is a company based out of Canada.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mechanical AIR Supplies LTDmasltd.com HQ: Leatherhead, United KingdomReported employees: 11-50 | Leatherhead, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Established in 1992, Mechanical Air Supplies has gained an enviable reputation for value, reliability and quality.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tradesman Manufacturing Grouptradesmanmfg.ca HQ: Lethbridge, AB, CanadaReported employees: 11-50 | Lethbridge, AB, Canada | 11-50 | Exact match | 11 contacts → |
“Our product line contains important key components in any HVAC system including elbows, boots, duct, spiral pipe, furnace solutions, hoods, plenum & more.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Lambro Industries, INClambro.net HQ: Amityville, NY, United StatesReported employees: 51-200 | Amityville, NY, United States | 51-200 | Exact match | 10 contacts → |
“Established in 1967, LAMBRO focuses on providing ventilation solutions for HVAC air distribution in both residential and commercial markets.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | DE Groot Luchtkanalen B.Vdegrootluchtkanalen.nl HQ: Weesp, NetherlandsReported employees: 11-50 | Weesp, Netherlands | 11-50 | Exact match | 8 contacts → |
“Sinds 1935 is De Groot Luchtkanalen een zelfstandig familiebedrijf gespecialiseerd in de fabricage, constructie, levering en montage van luchtkanalen en toebehoren.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Clward, INCclward.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 8 contacts → |
“CLWARD is manufacturer of HVAC sheet metal accessory products used in the commercial and light industrial markets.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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. | |||||
| 19 | Flexmaster U.S.Aflexmasterusa.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 7 contacts → |
“Flexmaster U.S.A.® HVAC Product Line - The Best Air Distribution Products in the Industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Standard Tinsmith Supplytinsmith.com HQ: Brooklyn, United StatesReported employees: 51-200 | Brooklyn, United States | 51-200 | Exact match | 7 contacts → |
“Standard Tinsmith Supply, established in 1914, has proudly remained a family-owned and operated business for over years-carrying the same name, values, and dedication through four…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SET Duct Manufacturing, INCsetduct.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 5 contacts → |
“SET Duct Manufacturing provides HVAC duct work to the construction industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HFC Enterprises INChfcenterprises.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 5 contacts → |
“HFC Enterprises Inc's DuraFlange and DC ring set is an efficient, rigid and lightweight oval and round duct connector designed to minimize installation times and maximize…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hennemuth Metal Fabricatorshmfduct.com HQ: Oakdale, PA, United StatesReported employees: 11-50 | Oakdale, PA, United States | 11-50 | Exact match | 4 contacts → |
“Hennemuth Metal Fabricators, family owned since 1954, is a full-service ductwork fabricator specializing in rectangular and spiral ductwork for commercial and residential HVAC…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bluestream Group PTY LTDbluestreamgroup.com.au HQ: Bundaberg, AustraliaReported employees: 1-10 | Bundaberg, Australia | 1-10 | Exact match | 4 contacts → |
“Bluestream Group has the experience, expertise and equipment to manufacture and supply all your HVAC and air transfer sheetmetal ducting needs.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cody Company LLCcodycompany.com HQ: Ennis, TX, United StatesReported employees: 51-200 | Ennis, TX, United States | 51-200 | Exact match | 4 contacts → |
“For over 50 years, Cody Company has and continues to be a premier manufacturer of pre-fabricated duct and fittings.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Ductboard collars 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
58 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 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 58 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 ↗
Ductboard collars suppliers by location
1 lists · largest firstEvery Ductboard collars suppliers 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 ductboard collars 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 ductboard collars suppliers did RevenueBase find worldwide?
The saved snapshot records 58 matching company records, 772 tracked contacts and 175 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 ductboard collars suppliers worldwide. Snapshot: October 24, 2026. https://revenuebase.ai/companies/browse/ductboard-collars-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗