Company lists · Data refreshed November 2026

Top 25 Rectangular duct producers worldwide

RevenueBase identified 1,795 company matches for rectangular duct producers worldwide as of November 2026 and tracks 20,215 professional contacts across them, including 5,423 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for rectangular duct producers 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 November 6, 2026. Country and city lists for rectangular duct producers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,795Companies
20,215Contacts tracked
5,423Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest rectangular duct producers worldwide

Ranked by team size
Top 25 of 1,795 company matches for rectangular duct producers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchTulsa, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,350 contacts →

Exact match

“Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPlano, TX, United StatesHQ recorded Nov 6, 20261,001-5,000470 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, FL, United StatesHQ recorded Nov 6, 2026501-1,000346 contacts →

Exact match

“With Locations in Houston, Orlando, and Dallas, McCorvey Sheet Metal Works, L.P.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, United StatesHQ recorded Nov 6, 20261,001-5,000346 contacts →

Exact match

“Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDenver, WY, United StatesHQ recorded Nov 6, 2026501-1,000324 contacts →

Exact match

“Hercules Industries is a HVAC/R wholesale distributor, manufacturer, and metal processor serving Colorado, Wyoming, Utah, New Mexico, Arizona and Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 2026501-1,000261 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGreenwood, IN, United StatesHQ recorded Nov 6, 2026201-500258 contacts →

Exact match

“Poynter Sheet Metal is Indiana's largest, and most respected, full service sheet metal and custom metal crafter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, ID, United StatesHQ recorded Nov 6, 20261,001-5,000255 contacts →

Exact match

“Southwark Metal Mfg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000242 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKøge, DenmarkHQ recorded Nov 6, 2026201-500182 contacts →

Exact match

“FabricAir | Fabric Ducting & Air Distribution Systems | Est.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAtlanta, AL, United StatesHQ recorded Nov 6, 2026201-500169 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchFenton, MI, United StatesHQ recorded Nov 6, 2026201-500149 contacts →

Exact match

“Miller Industries, LLC is comprised of Flex Air, Miller Fabricated Systems, Mi Service Group, Miller Industries Representatives, and Fusion Cooling.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026501-1,000147 contacts →

Exact match

“Built With Pride Since 1978, Scott Springfield by Modine is a leading manufacturer of Custom Air Handlers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKalamazoo, MI, United StatesHQ recorded Nov 6, 2026201-500144 contacts →

Exact match

“W.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAdelaide, AustraliaHQ recorded Nov 6, 2026201-500138 contacts →

Exact match

“Polyaire Pty Ltd is an international manufacturer of quality equipment of HVAC systems supplying air filters, insulated flexible ducting, air grilles and vents, and fittings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWayne, NJ, United StatesHQ recorded Nov 6, 2026201-500130 contacts →

Exact match

“Haydon Corporation is a US-owned, US-based national manufacturer of high-quality metal framing, rooftop support, and baseboard heating systems for various commercial, residential…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPaarl, South AfricaHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“For more than 32 years, Fabrinox has delivered complete, tailor-made manufacturing solutions to a global customer base spanning six continents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 20261,001-5,000125 contacts →

Exact match

“ATCO Rubber Products is the worldwide leader in flex duct systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAddison, FL, United StatesHQ recorded Nov 6, 2026201-500115 contacts →

Exact match

“Thybar has been serving the HVAC and sheet metal industries as a manufacturer of custom sheet metal products for over 60 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-500113 contacts →

Exact match

“Since 1960, ECCO Manufacturing™ has established itself as one of the largest manufacturers and suppliers of sheet metal products in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBay Shore, NY, United StatesHQ recorded Nov 6, 202651-200106 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOslo, NorwayHQ recorded Nov 6, 2026201-500103 contacts →

Exact match

“Ventistål is Norway’s leading supplier to the ventilation and sheet metal industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThomasville, United StatesHQ recorded Nov 6, 2026201-500102 contacts →

Exact match

“Nordfab introduced Quick-Fit® clamp-together ductwork in 1990.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchConneaut, WI, United StatesHQ recorded Nov 6, 2026201-50096 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAnekal, IndiaHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Sheet Metal Fabricators for HVACs, Traction Panels, Elevator doors to name a few”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,795 rectangular duct producers worldwide

See the full list, filter by size, metro and specialty, and access 5,423 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Rectangular duct producers worldwide at a glance

As of Nov 6, 2026
26.8%Verified-email coverage
11.3Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
544
11-50
709
51-200
386
201-500
95
501-1,000
16
1,001-5,000
11
10001+
1

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 rectangular duct producers are linked below.
What qualifies
Company records worldwide whose business descriptions match “rectangular duct producers” 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 5,423 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 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.

Rectangular duct producers by location

7 lists · largest first

Every Rectangular duct producers 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 “rectangular duct producers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rectangular duct producers are there worldwide?

RevenueBase identified 1,795 company matches for rectangular duct producers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

AAON tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most rectangular duct producers?

The United States leads with 563 companies, followed by the United Kingdom (153) and India (104). Every rectangular duct producers list by country and city is linked on this page.

Which city has the most rectangular duct producers?

London leads with 21 company records, followed by Istanbul (15) and Riyadh (13).

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 5,423 professional contacts with verified work emails tracked across these 1,795 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,795 rectangular duct producers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.