Company lists · Data refreshed October 2026
Top 25 Duct and conduit manufacturers based in the United States
RevenueBase identified 128 company matches for duct and conduit manufacturers associated with the United States as of October 2026 and tracks 3,788 professional contacts across them, including 1,052 with verified work emails. Houston is the largest hub.
This list covers company matches for duct and conduit manufacturers 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 11, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest duct and conduit manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 986 contacts → | ||||
Exact match “About Orbia Connectivity Solutions (Dura-Line) Orbia’s Connectivity Solutions business, Dura-Line, is a leading manufacturer and distributor of high-density polyethylene (HDPE)…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 272 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 3 | 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 11, 2026 · View company records in RevenueBase | |||||
| 4 | 240 contacts → | ||||
Exact match “Southwark Metal Mfg.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 97 contacts → | ||||
Exact match “Liquatite® by Electri-Flex has earned an international reputation for quality, service, and product innovation.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 73 contacts → | ||||
Exact match “Blue Diamond Industries is a premier manufacturer of high density polyethylene (HDPE) pipe, headquartered in Lexington, Kentucky.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 62 contacts → | ||||
Exact match “Since 1977 Tomarco has been an industry innovator in for the commercial construction industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 8 | 51 contacts → | ||||
Exact match “When you need innovative cable and conduit fittings to get you from line to load, trust in the proven name of Bridgeport.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 50 contacts → | ||||
Exact match “Champion Fiberglass, Inc, is the leading manufacturer of fiberglass conduit and strut for the electrical and mechanical markets.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 48 contacts → | ||||
Exact match “MKT Metal Manufacturing has been delivering precision-fabricated HVAC ductwork since 2004.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 11 | 34 contacts → | ||||
Exact match “Since 1961, J.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 12 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 15 | 32 contacts → | ||||
Exact match “Founded in 2010 by Tom & Sarah Click, Patriot Industries is the only American Owned & Operated Family Business producing the full lines of Rigid Aluminum, & Rigid Stainless Steel…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 16 | 32 contacts → | ||||
Exact match “With 25+ years of experience, MaxCell® is a leading brand in the network construction industry and trusted by global organizations and Fortune 500 companies.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “Conquest markets Flamebar fire-rated HVAC and A2L systems and solutions to architects, engineers, and contractors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “Infinity Contractors is passionate about constructing underground conduit systems.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 26 contacts → | ||||
Exact match “Read below about us.” Recorded in the RevenueBase company graph · Oct 11, 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 11, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “Halex, part of the Marmon family of businesses, is a primary electrical conduit fittings and connectors supplier for most retail stores across the United States.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 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 11, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match “Underground Devices manufactures duct spacers and bore spacers for underground encasement of conduit and nonmetallic cable racking for use in power and communications manholes.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “McWane Poles is a product line of McWane, Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “duct and conduit manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 128 duct and conduit manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 1,052 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Duct and conduit manufacturers based in the United States at a glance
As of Oct 11, 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 128 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “duct and conduit manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 1,052 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 11, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “duct and conduit manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many duct and conduit manufacturers are there based in the United States?
RevenueBase identified 128 company matches for duct and conduit manufacturers 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?
Dura-Line tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most duct and conduit manufacturers?
Houston leads with 6 company records, followed by Chicago (5) and Bloomington (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,052 professional contacts with verified work emails tracked across these 128 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 11, 2026.
Ready to reach these companies? Verified emails and direct dials for all 128 duct and conduit manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Duct and conduit manufacturers 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
- Duct and conduit manufacturers based in Australia
- Duct and conduit manufacturers based in Brazil
- Duct and conduit manufacturers based in Spain
- Duct and conduit manufacturers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 duct and conduit manufacturers 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 128 matching company records for duct and conduit manufacturers based in the United States, with 3,788 tracked contacts and 1,052 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 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 duct and conduit manufacturers 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 | Dura-Lineduraline.com HQ: Knoxville, TN, United StatesReported employees: 1,001-5,000 | Knoxville, TN, United States | 1,001-5,000 | Exact match | 986 contacts → |
“About Orbia Connectivity Solutions (Dura-Line) Orbia’s Connectivity Solutions business, Dura-Line, is a leading manufacturer and distributor of high-density polyethylene (HDPE)…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cantex INCcantexinc.com HQ: Fort Worth, TX, United StatesReported employees: 501-1,000 | Fort Worth, TX, United States | 501-1,000 | Exact match | 272 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Southwark Metal Mfg. COsouthwarkmetal.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 240 contacts → |
“Southwark Metal Mfg.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Electri-Flex Companyelectriflex.com HQ: Roselle, IL, United StatesReported employees: 51-200 | Roselle, IL, United States | 51-200 | Exact match | 97 contacts → |
“Liquatite® by Electri-Flex has earned an international reputation for quality, service, and product innovation.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Blue Diamond Industriesbdiky.com HQ: Lexington, KY, United StatesReported employees: 201-500 | Lexington, KY, United States | 201-500 | Exact match | 73 contacts → |
“Blue Diamond Industries is a premier manufacturer of high density polyethylene (HDPE) pipe, headquartered in Lexington, Kentucky.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tomarcotomarco.com HQ: La Mirada, CA, United StatesReported employees: 201-500 | La Mirada, CA, United States | 201-500 | Exact match | 62 contacts → |
“Since 1977 Tomarco has been an industry innovator in for the commercial construction industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bridgeport Fittings, LLCnsiindustries.com HQ: Huntersville, CT, United StatesReported employees: 1,001-5,000 | Huntersville, CT, United States | 1,001-5,000 | Exact match | 51 contacts → |
“When you need innovative cable and conduit fittings to get you from line to load, trust in the proven name of Bridgeport.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Champion Fiberglass, INCchampionfiberglass.com HQ: Spring, TX, United StatesReported employees: 51-200 | Spring, TX, United States | 51-200 | Exact match | 50 contacts → |
“Champion Fiberglass, Inc, is the leading manufacturer of fiberglass conduit and strut for the electrical and mechanical markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hranec Corporationhranec.com HQ: Uniontown, PA, United StatesReported employees: 51-200 | Uniontown, PA, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Rymco USArymcousa.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | 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. | |||||
| 15 | Patriot Industriespatriotsas.com HQ: Louisa, VA, United StatesReported employees: 51-200 | Louisa, VA, United States | 51-200 | Exact match | 32 contacts → |
“Founded in 2010 by Tom & Sarah Click, Patriot Industries is the only American Owned & Operated Family Business producing the full lines of Rigid Aluminum, & Rigid Stainless Steel…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Maxcellmaxcellsolutions.com HQ: Wadsworth, OH, United StatesReported employees: 51-200 | Wadsworth, OH, United States | 51-200 | Exact match | 32 contacts → |
“With 25+ years of experience, MaxCell® is a leading brand in the network construction industry and trusted by global organizations and Fortune 500 companies.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Conquest Firesprayconquestflamebar.com HQ: Warren, MI, United StatesReported employees: 51-200 | Warren, MI, United States | 51-200 | Exact match | 31 contacts → |
“Conquest markets Flamebar fire-rated HVAC and A2L systems and solutions to architects, engineers, and contractors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Infinity Contractorsinfinity.contractors HQ: Belmont, NC, United StatesReported employees: 51-200 | Belmont, NC, United States | 51-200 | Exact match | 30 contacts → |
“Infinity Contractors is passionate about constructing underground conduit systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Petroflex N.A., LTDpetroflexna.com HQ: Gainesville, TX, United StatesReported employees: 51-200 | Gainesville, TX, United States | 51-200 | Exact match | 26 contacts → |
“Read below about us.” Recorded description excerpt · October 11, 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Activar Construction Products Group, INCactivarcpg.com HQ: Bloomington, MN, United StatesReported employees: 201-500 | Bloomington, MN, United States | 201-500 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | HALEXhalexco.com HQ: Hamilton, IN, United StatesReported employees: 51-200 | Hamilton, IN, United States | 51-200 | Exact match | 21 contacts → |
“Halex, part of the Marmon family of businesses, is a primary electrical conduit fittings and connectors supplier for most retail stores across the United States.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Underground Devices, INCudevices.com HQ: Northbrook, IL, United StatesReported employees: 11-50 | Northbrook, IL, United States | 11-50 | Exact match | 20 contacts → |
“Underground Devices manufactures duct spacers and bore spacers for underground encasement of conduit and nonmetallic cable racking for use in power and communications manholes.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Mcwane Polesmcwanepoles.com HQ: Coshocton, OH, United StatesReported employees: 1,001-5,000 | Coshocton, OH, United States | 1,001-5,000 | Exact match | 20 contacts → |
“McWane Poles is a product line of McWane, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 128 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Duct and conduit manufacturers: dataset insights
October 11, 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
128 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 128 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 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for duct and conduit manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many duct and conduit manufacturers did RevenueBase find based in the United States?
The saved snapshot records 128 matching company records, 3,788 tracked contacts and 1,052 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 11, 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
Duct and conduit manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 duct and conduit manufacturers based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/duct-and-conduit-manufacturers/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
- Duct and conduit manufacturers based in Australia
- Duct and conduit manufacturers based in Brazil
- Duct and conduit manufacturers based in Spain
- Duct and conduit manufacturers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 duct and conduit manufacturers based in the United States
RevenueBase records 128 matching company records for duct and conduit manufacturers based in the United States, with 3,788 tracked contacts and 1,052 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 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 duct and conduit manufacturers 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 | Dura-Lineduraline.com HQ: Knoxville, TN, United StatesReported employees: 1,001-5,000 | Knoxville, TN, United States | 1,001-5,000 | Exact match | 986 contacts → |
“About Orbia Connectivity Solutions (Dura-Line) Orbia’s Connectivity Solutions business, Dura-Line, is a leading manufacturer and distributor of high-density polyethylene (HDPE)…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cantex INCcantexinc.com HQ: Fort Worth, TX, United StatesReported employees: 501-1,000 | Fort Worth, TX, United States | 501-1,000 | Exact match | 272 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Southwark Metal Mfg. COsouthwarkmetal.com HQ: Philadelphia, PA, United StatesReported employees: 1,001-5,000 | Philadelphia, PA, United States | 1,001-5,000 | Exact match | 240 contacts → |
“Southwark Metal Mfg.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Electri-Flex Companyelectriflex.com HQ: Roselle, IL, United StatesReported employees: 51-200 | Roselle, IL, United States | 51-200 | Exact match | 97 contacts → |
“Liquatite® by Electri-Flex has earned an international reputation for quality, service, and product innovation.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Blue Diamond Industriesbdiky.com HQ: Lexington, KY, United StatesReported employees: 201-500 | Lexington, KY, United States | 201-500 | Exact match | 73 contacts → |
“Blue Diamond Industries is a premier manufacturer of high density polyethylene (HDPE) pipe, headquartered in Lexington, Kentucky.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tomarcotomarco.com HQ: La Mirada, CA, United StatesReported employees: 201-500 | La Mirada, CA, United States | 201-500 | Exact match | 62 contacts → |
“Since 1977 Tomarco has been an industry innovator in for the commercial construction industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bridgeport Fittings, LLCnsiindustries.com HQ: Huntersville, CT, United StatesReported employees: 1,001-5,000 | Huntersville, CT, United States | 1,001-5,000 | Exact match | 51 contacts → |
“When you need innovative cable and conduit fittings to get you from line to load, trust in the proven name of Bridgeport.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Champion Fiberglass, INCchampionfiberglass.com HQ: Spring, TX, United StatesReported employees: 51-200 | Spring, TX, United States | 51-200 | Exact match | 50 contacts → |
“Champion Fiberglass, Inc, is the leading manufacturer of fiberglass conduit and strut for the electrical and mechanical markets.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hranec Corporationhranec.com HQ: Uniontown, PA, United StatesReported employees: 51-200 | Uniontown, PA, United States | 51-200 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Rymco USArymcousa.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 33 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | 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. | |||||
| 15 | Patriot Industriespatriotsas.com HQ: Louisa, VA, United StatesReported employees: 51-200 | Louisa, VA, United States | 51-200 | Exact match | 32 contacts → |
“Founded in 2010 by Tom & Sarah Click, Patriot Industries is the only American Owned & Operated Family Business producing the full lines of Rigid Aluminum, & Rigid Stainless Steel…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Maxcellmaxcellsolutions.com HQ: Wadsworth, OH, United StatesReported employees: 51-200 | Wadsworth, OH, United States | 51-200 | Exact match | 32 contacts → |
“With 25+ years of experience, MaxCell® is a leading brand in the network construction industry and trusted by global organizations and Fortune 500 companies.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Conquest Firesprayconquestflamebar.com HQ: Warren, MI, United StatesReported employees: 51-200 | Warren, MI, United States | 51-200 | Exact match | 31 contacts → |
“Conquest markets Flamebar fire-rated HVAC and A2L systems and solutions to architects, engineers, and contractors.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Infinity Contractorsinfinity.contractors HQ: Belmont, NC, United StatesReported employees: 51-200 | Belmont, NC, United States | 51-200 | Exact match | 30 contacts → |
“Infinity Contractors is passionate about constructing underground conduit systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Petroflex N.A., LTDpetroflexna.com HQ: Gainesville, TX, United StatesReported employees: 51-200 | Gainesville, TX, United States | 51-200 | Exact match | 26 contacts → |
“Read below about us.” Recorded description excerpt · October 11, 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Activar Construction Products Group, INCactivarcpg.com HQ: Bloomington, MN, United StatesReported employees: 201-500 | Bloomington, MN, United States | 201-500 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | HALEXhalexco.com HQ: Hamilton, IN, United StatesReported employees: 51-200 | Hamilton, IN, United States | 51-200 | Exact match | 21 contacts → |
“Halex, part of the Marmon family of businesses, is a primary electrical conduit fittings and connectors supplier for most retail stores across the United States.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Underground Devices, INCudevices.com HQ: Northbrook, IL, United StatesReported employees: 11-50 | Northbrook, IL, United States | 11-50 | Exact match | 20 contacts → |
“Underground Devices manufactures duct spacers and bore spacers for underground encasement of conduit and nonmetallic cable racking for use in power and communications manholes.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Mcwane Polesmcwanepoles.com HQ: Coshocton, OH, United StatesReported employees: 1,001-5,000 | Coshocton, OH, United States | 1,001-5,000 | Exact match | 20 contacts → |
“McWane Poles is a product line of McWane, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 128 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Duct and conduit manufacturers: dataset insights
October 11, 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
128 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 128 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 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for duct and conduit manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many duct and conduit manufacturers did RevenueBase find based in the United States?
The saved snapshot records 128 matching company records, 3,788 tracked contacts and 1,052 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 11, 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
Duct and conduit manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 duct and conduit manufacturers based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/duct-and-conduit-manufacturers/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
- Duct and conduit manufacturers based in Australia
- Duct and conduit manufacturers based in Brazil
- Duct and conduit manufacturers based in Spain
- Duct and conduit manufacturers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States