Company lists · Data refreshed October 2026
Top 25 Flexible metal railcar ducts suppliers based in the United States
RevenueBase identified 111 company matches for flexible metal railcar ducts suppliers associated with the United States as of October 2026 and tracks 2,498 professional contacts across them, including 680 with verified work emails. Fort Worth is the largest hub.
This list covers company matches for flexible metal railcar ducts 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 25, 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 flexible metal railcar ducts suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 255 contacts → | ||||
Exact match “M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air distribution and ventilation market.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 2 | 240 contacts → | ||||
Exact match “Southwark Metal Mfg.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 231 contacts → | ||||
Exact match “Quietflex Manufacturing is a manufacturer of Flex Duct for HVAC and Textile Fiberglass products based out of 4518 Brittmoore Rd, Houston, Texas, United States.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 162 contacts → | ||||
Exact match “Conklin Metal Industries is a distributor of all types of sheet metal, and HVAC & Duct Fabrication supplies.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 106 contacts → | ||||
Exact match “ATCO Rubber Products is the worldwide leader in flex duct systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 96 contacts → | ||||
Exact match “Nordfab introduced Quick-Fit® clamp-together ductwork in 1990.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 95 contacts → | ||||
Exact match “Availability in: Manufacturing of Flexible Duct Connectors OEM machinery for weld pins Air Regulation and Control Equipment for HVAC systems and Duct Work Dynatite Cable Locks…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 94 contacts → | ||||
Exact match “Lukjan Metal Products has been manufacturing high quality sheet metal pipe, duct and fittings to the Wholesale HVAC industry since 1964.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 79 contacts → | ||||
Exact match “American Metals Supply Co, Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 69 contacts → | ||||
Exact match “OmniDuct is a manufacturer of sheet metal ductwork for the HVAC industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 68 contacts → | ||||
Exact match “US Duct makes buying industrial ductwork simple.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 48 contacts → | ||||
Exact match “MKT Metal Manufacturing has been delivering precision-fabricated HVAC ductwork since 2004.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 42 contacts → | ||||
Exact match “Mestek Machinery is the industry-leading designer and manufacturer of the most complete, productive, and innovative metal forming solutions for the fabrication of HVAC sheet metal…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 14 | 41 contacts → | ||||
Exact match “Heating & Cooling Products manufactures and distributes superior quality sheet metal products to over 25 states and Canada.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 34 contacts → | ||||
Exact match “Since 1961, J.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “SPIRAL ROUND/FLAT OVAL, RECTANGULAR & SPECIALTY DUCT FABRICATOR Since 1981, Spiral Pipe of Texas (SPOT) has been a proven source for Custom Sheet Metal Fabrication.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 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 25, 2026 · View company records in RevenueBase | |||||
| 19 | 26 contacts → | ||||
Exact match “Crown Products is a key partner with wholesale distributors and manufacturer representatives in the HVAC industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 20 | 25 contacts → | ||||
Exact match “Founded in 1969, Sheet Metal Connectors, Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match “Universal Spiral Air (USA) is a sheet metal manufacturer that specializes in commercial and industrial ductwork within the HVAC industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “Northeastern Sheet Metal is New Englands premier manufacturer of Sheet Metal products and Accessories.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “Seal-Tite® is America's preferred manufacturer of air distribution systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “AccuDuct Manufacturing began providing products to the HVAC industry in 1987.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “Eastern Sheet Metal has been a leader in providing HVAC ductwork for commercial and industrial applications for over 40 years.” Recorded in the RevenueBase company graph · Oct 25, 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 “flexible metal railcar ducts 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 111 flexible metal railcar ducts suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 680 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Flexible metal railcar ducts suppliers based in the United States at a glance
As of Oct 25, 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 111 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 “flexible metal railcar ducts 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 680 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 25, 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 “flexible metal railcar ducts suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many flexible metal railcar ducts suppliers are there based in the United States?
RevenueBase identified 111 company matches for flexible metal railcar ducts 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?
M&m Manufacturing Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most flexible metal railcar ducts suppliers?
Fort Worth leads with 4 company records, followed by Houston (4) and Chicago (3).
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 680 professional contacts with verified work emails tracked across these 111 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 25, 2026.
Ready to reach these companies? Verified emails and direct dials for all 111 flexible metal railcar ducts suppliers based in the United States. Start with a free account, no credit card.
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Flexible metal railcar ducts suppliers by geography
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Flexible metal railcar ducts suppliers based in the United Kingdom
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- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
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Company intelligence · public preview
Top 25 flexible metal railcar ducts 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 111 matching company records for flexible metal railcar ducts suppliers based in the United States, with 2,498 tracked contacts and 680 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 25, 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 flexible metal railcar ducts 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 |  M&m Manufacturing Companymmmfg.comHQ: Fort Worth, TX, United StatesReported employees: 501-1,000 | Fort Worth, TX, United States | 501-1,000 | Exact match | 255 contacts → |
“M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air distribution and ventilation market.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Quietflex Manufacturingquietflex.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 231 contacts → |
“Quietflex Manufacturing is a manufacturer of Flex Duct for HVAC and Textile Fiberglass products based out of 4518 Brittmoore Rd, Houston, Texas, United States.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Conklin Metal Industriesconklinmetal.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 162 contacts → |
“Conklin Metal Industries is a distributor of all types of sheet metal, and HVAC & Duct Fabrication supplies.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Atco Rubber Products, INCatcoflex.comHQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 106 contacts → |
“ATCO Rubber Products is the worldwide leader in flex duct systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Nordfab Ductingnordfab.comHQ: Thomasville, NC, United StatesReported employees: 201-500 | Thomasville, NC, United States | 201-500 | Exact match | 96 contacts → |
“Nordfab introduced Quick-Fit® clamp-together ductwork in 1990.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Duro Dynedurodyne.com HQ: Bay Shore, NY, United StatesReported employees: 51-200 | Bay Shore, NY, United States | 51-200 | Exact match | 95 contacts → |
“Availability in: Manufacturing of Flexible Duct Connectors OEM machinery for weld pins Air Regulation and Control Equipment for HVAC systems and Duct Work Dynatite Cable Locks…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Lukjan Metal Products INClukjan.com HQ: Conneaut, OH, United StatesReported employees: 201-500 | Conneaut, OH, United States | 201-500 | Exact match | 94 contacts → |
“Lukjan Metal Products has been manufacturing high quality sheet metal pipe, duct and fittings to the Wholesale HVAC industry since 1964.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  American Metals Supplyamericanmetalssupply.comHQ: Hazelwood, MO, United StatesReported employees: 51-200 | Hazelwood, MO, United States | 51-200 | Exact match | 79 contacts → |
“American Metals Supply Co, Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Omniductomniduct.com HQ: Buena Park, CA, United StatesReported employees: 51-200 | Buena Park, CA, United States | 51-200 | Exact match | 69 contacts → |
“OmniDuct is a manufacturer of sheet metal ductwork for the HVAC industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | US Ductus-duct.com HQ: Archdale, NC, United StatesReported employees: 51-200 | Archdale, NC, United States | 51-200 | Exact match | 68 contacts → |
“US Duct makes buying industrial ductwork simple.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MKT Metal Manufacturingmktduct.com HQ: Manchester Township, PA, United StatesReported employees: 51-200 | Manchester Township, PA, United States | 51-200 | Exact match | 48 contacts → |
“MKT Metal Manufacturing has been delivering precision-fabricated HVAC ductwork since 2004.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mestek Machinerymestekmachinery.com HQ: Cedar Rapids, IA, United StatesReported employees: 51-200 | Cedar Rapids, IA, United States | 51-200 | Exact match | 42 contacts → |
“Mestek Machinery is the industry-leading designer and manufacturer of the most complete, productive, and innovative metal forming solutions for the fabrication of HVAC sheet metal…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Heating & Cooling Products, INChc-products.com HQ: Mount Vernon, OH, United StatesReported employees: 51-200 | Mount Vernon, OH, United States | 51-200 | Exact match | 41 contacts → |
“Heating & Cooling Products manufactures and distributes superior quality sheet metal products to over 25 states and Canada.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | JP Lamborn Co. JPLjplflex.com HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 34 contacts → |
“Since 1961, J.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gray Metal Products, INCgraymetal.com HQ: Avon, NY, United StatesReported employees: 51-200 | Avon, NY, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Spiral Pipe Of Texasspotusa.com HQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 31 contacts → |
“SPIRAL ROUND/FLAT OVAL, RECTANGULAR & SPECIALTY DUCT FABRICATOR Since 1981, Spiral Pipe of Texas (SPOT) has been a proven source for Custom Sheet Metal Fabrication.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Crown Products Company, INCcrownproductsco.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 26 contacts → |
“Crown Products is a key partner with wholesale distributors and manufacturer representatives in the HVAC industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Universal Spiral AIRusaduct.com HQ: Walker, MI, United StatesReported employees: 11-50 | Walker, MI, United States | 11-50 | Exact match | 22 contacts → |
“Universal Spiral Air (USA) is a sheet metal manufacturer that specializes in commercial and industrial ductwork within the HVAC industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Northeastern Sheet Metal, INCnesmcorp.com HQ: Goffstown, NH, United StatesReported employees: 51-200 | Goffstown, NH, United States | 51-200 | Exact match | 21 contacts → |
“Northeastern Sheet Metal is New Englands premier manufacturer of Sheet Metal products and Accessories.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Eastern Sheet Metaleasternsheetmetal.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 19 contacts → |
“Eastern Sheet Metal has been a leader in providing HVAC ductwork for commercial and industrial applications for over 40 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 111 company matches
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Flexible metal railcar ducts suppliers: dataset insights
October 25, 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
111 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 111 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 25, 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 flexible metal railcar ducts 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 flexible metal railcar ducts suppliers did RevenueBase find based in the United States?
The saved snapshot records 111 matching company records, 2,498 tracked contacts and 680 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 25, 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
Flexible metal railcar ducts suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 flexible metal railcar ducts suppliers based in the United States. Snapshot: October 25, 2026. https://revenuebase.ai/companies/flexible-metal-railcar-ducts-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Flexible metal railcar ducts suppliers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 flexible metal railcar ducts suppliers based in the United States
RevenueBase records 111 matching company records for flexible metal railcar ducts suppliers based in the United States, with 2,498 tracked contacts and 680 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 25, 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 flexible metal railcar ducts 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 | M&m Manufacturing Companymmmfg.com HQ: Fort Worth, TX, United StatesReported employees: 501-1,000 | Fort Worth, TX, United States | 501-1,000 | Exact match | 255 contacts → |
“M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air distribution and ventilation market.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Quietflex Manufacturingquietflex.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 231 contacts → |
“Quietflex Manufacturing is a manufacturer of Flex Duct for HVAC and Textile Fiberglass products based out of 4518 Brittmoore Rd, Houston, Texas, United States.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Conklin Metal Industriesconklinmetal.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 162 contacts → |
“Conklin Metal Industries is a distributor of all types of sheet metal, and HVAC & Duct Fabrication supplies.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Atco Rubber Products, INCatcoflex.com HQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 106 contacts → |
“ATCO Rubber Products is the worldwide leader in flex duct systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nordfab Ductingnordfab.com HQ: Thomasville, NC, United StatesReported employees: 201-500 | Thomasville, NC, United States | 201-500 | Exact match | 96 contacts → |
“Nordfab introduced Quick-Fit® clamp-together ductwork in 1990.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Duro Dynedurodyne.com HQ: Bay Shore, NY, United StatesReported employees: 51-200 | Bay Shore, NY, United States | 51-200 | Exact match | 95 contacts → |
“Availability in: Manufacturing of Flexible Duct Connectors OEM machinery for weld pins Air Regulation and Control Equipment for HVAC systems and Duct Work Dynatite Cable Locks…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Lukjan Metal Products INClukjan.com HQ: Conneaut, OH, United StatesReported employees: 201-500 | Conneaut, OH, United States | 201-500 | Exact match | 94 contacts → |
“Lukjan Metal Products has been manufacturing high quality sheet metal pipe, duct and fittings to the Wholesale HVAC industry since 1964.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | American Metals Supplyamericanmetalssupply.com HQ: Hazelwood, MO, United StatesReported employees: 51-200 | Hazelwood, MO, United States | 51-200 | Exact match | 79 contacts → |
“American Metals Supply Co, Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Omniductomniduct.com HQ: Buena Park, CA, United StatesReported employees: 51-200 | Buena Park, CA, United States | 51-200 | Exact match | 69 contacts → |
“OmniDuct is a manufacturer of sheet metal ductwork for the HVAC industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | US Ductus-duct.com HQ: Archdale, NC, United StatesReported employees: 51-200 | Archdale, NC, United States | 51-200 | Exact match | 68 contacts → |
“US Duct makes buying industrial ductwork simple.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MKT Metal Manufacturingmktduct.com HQ: Manchester Township, PA, United StatesReported employees: 51-200 | Manchester Township, PA, United States | 51-200 | Exact match | 48 contacts → |
“MKT Metal Manufacturing has been delivering precision-fabricated HVAC ductwork since 2004.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mestek Machinerymestekmachinery.com HQ: Cedar Rapids, IA, United StatesReported employees: 51-200 | Cedar Rapids, IA, United States | 51-200 | Exact match | 42 contacts → |
“Mestek Machinery is the industry-leading designer and manufacturer of the most complete, productive, and innovative metal forming solutions for the fabrication of HVAC sheet metal…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Heating & Cooling Products, INChc-products.com HQ: Mount Vernon, OH, United StatesReported employees: 51-200 | Mount Vernon, OH, United States | 51-200 | Exact match | 41 contacts → |
“Heating & Cooling Products manufactures and distributes superior quality sheet metal products to over 25 states and Canada.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | JP Lamborn Co. JPLjplflex.com HQ: Fresno, CA, United StatesReported employees: 501-1,000 | Fresno, CA, United States | 501-1,000 | Exact match | 34 contacts → |
“Since 1961, J.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gray Metal Products, INCgraymetal.com HQ: Avon, NY, United StatesReported employees: 51-200 | Avon, NY, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Spiral Pipe Of Texasspotusa.com HQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 31 contacts → |
“SPIRAL ROUND/FLAT OVAL, RECTANGULAR & SPECIALTY DUCT FABRICATOR Since 1981, Spiral Pipe of Texas (SPOT) has been a proven source for Custom Sheet Metal Fabrication.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Crown Products Company, INCcrownproductsco.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 26 contacts → |
“Crown Products is a key partner with wholesale distributors and manufacturer representatives in the HVAC industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Universal Spiral AIRusaduct.com HQ: Walker, MI, United StatesReported employees: 11-50 | Walker, MI, United States | 11-50 | Exact match | 22 contacts → |
“Universal Spiral Air (USA) is a sheet metal manufacturer that specializes in commercial and industrial ductwork within the HVAC industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Northeastern Sheet Metal, INCnesmcorp.com HQ: Goffstown, NH, United StatesReported employees: 51-200 | Goffstown, NH, United States | 51-200 | Exact match | 21 contacts → |
“Northeastern Sheet Metal is New Englands premier manufacturer of Sheet Metal products and Accessories.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Eastern Sheet Metaleasternsheetmetal.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 19 contacts → |
“Eastern Sheet Metal has been a leader in providing HVAC ductwork for commercial and industrial applications for over 40 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 111 company matches
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Flexible metal railcar ducts suppliers: dataset insights
October 25, 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
111 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 111 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 25, 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 flexible metal railcar ducts 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 flexible metal railcar ducts suppliers did RevenueBase find based in the United States?
The saved snapshot records 111 matching company records, 2,498 tracked contacts and 680 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 25, 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
Flexible metal railcar ducts suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 flexible metal railcar ducts suppliers based in the United States. Snapshot: October 25, 2026. https://revenuebase.ai/companies/flexible-metal-railcar-ducts-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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