Company lists · Data refreshed September 2026
Top 25 Roof vent manufacturers worldwide
RevenueBase identified 762 roof vent manufacturers worldwide as of September 2026 and tracks 12,963 professional contacts across them, including 4,994 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers roof vent manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for roof vent manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 roof vent manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,962 contacts → | ||||
Partial evidence “For more than 80 years, the VELUX Group has created better living environments for people around the world; making the most of daylight and fresh air through the roof.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 314 contacts → | ||||
Indirect evidence “FAKRO is a private company established in Poland in 1991.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 291 contacts → | ||||
Indirect evidence “Die Paul Bauder GmbH & Co.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 279 contacts → | ||||
Partial evidence “KCC International, Inc, formerly Kentuckiana Curb Company, Inc, is a leading manufacturer of roofing system products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 231 contacts → | ||||
Strong evidence “Bauder is a manufacturer and supplier of flat roof waterproofing systems, which are complemented by high quality green roof and PV solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 193 contacts → | ||||
Indirect evidence “Die BMI Gruppe ist in Deutschland Marktführer für Steil- und Flachdachsysteme und verfügt über jahrzehntelange Erfahrung.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 192 contacts → | ||||
Indirect evidence “Roto Frank Dachsystem-Technologie ist eine von drei Divisionen der Roto Frank Holding AG.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 153 contacts → | ||||
Partial evidence “Established in 1936 when Joe Akester invented the world’s first electrically-operated window fan, Vent-Axia has been setting the standard for ventilation for over 85 years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 139 contacts → | ||||
Indirect evidence “Bluetek est née du savoir-faire et de l’expérience de SIH, Sodilight et Hexadome, acteurs majeurs du marché des exutoires de fumées.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 123 contacts → | ||||
Strong evidence “SAFINTRA – WORLD-CLASS METAL ROOFING SYSTEMS As one of Africa’s leading manufacturers and suppliers of world-class metal roof sheeting, Safintra produces a range of roofing sheet…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 118 contacts → | ||||
Partial evidence “We provide complete solutions for roof systems together with shading systems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 94 contacts → | ||||
Strong evidence “Altaterra manufactures and delivers roof windows and is also a market leader in private label product offers, addressing the middle and low segments.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 90 contacts → | ||||
Indirect evidence “Value drives everything we do.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 85 contacts → | ||||
Indirect evidence “For more than 30 years we have been designing, manufacturing and marketing aluminium systems for the construction industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 74 contacts → | ||||
Partial evidence “Technical experts in the design, manufacture and supply of engineered, architectural glass rooflights for residential and commercial buildings.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 74 contacts → | ||||
Indirect evidence “Created in France around 1940, Onduline started out as a pioneer in lightweight composite roofing and under-roofing materials.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 70 contacts → | ||||
Partial evidence “Since our start, IB Roof Systems has evolved, maintaining a strong performance record for single-ply PVC membrane and custom fabricated roofing solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 69 contacts → | ||||
Indirect evidence “As you may have heard, Builder’s Best was acquired by the Duravent Group last fall and is now part of the company’s extensive portfolio of brands in the venting and climate…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 68 contacts → | ||||
Indirect evidence “Lomanco was established in 1946 and provides a complete line of quality products meeting your ventilation requirements while protecting other costly building components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 64 contacts → | ||||
Partial evidence “Britmet Lightweight Roofing is the largest UK manufacturer of lightweight roofing systems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 62 contacts → | ||||
Partial evidence “Manufacturer and supplier of metal roofing materials including residential and commercial metal roofing systems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 55 contacts → | ||||
Strong evidence “Founded in Sonoma County, California, FlashCo has grown into North America’s leading manufacturer of roof flashings and accessories with 10 facilities strategically located across…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 49 contacts → | ||||
Partial evidence “With an industry leading 5 day lead-time, that’s why we are the number one fresh air product manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 46 contacts → | ||||
Partial evidence “Brett Martin Daylight Systems is the UK and Ireland’s leading rooflight manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 46 contacts → | ||||
Indirect evidence “With a proven commitment to quality and performance, DECRA Metal Roofing Systems has been in business since 1957.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: roof vent manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names roof vent manufacturers.
- Partial evidence
- Its own public description names part of roof vent manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name roof vent manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 762 roof vent manufacturers worldwide
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Roof vent manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among roof vent manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for roof vent manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “roof vent manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names roof vent manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among roof vent manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 4,994 across the full list. 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 September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Roof vent manufacturers by location
5 lists · largest firstEvery Roof vent manufacturers 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names roof vent manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many roof vent manufacturers are there worldwide?
RevenueBase identified 762 roof vent manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
VELUX, headquartered in Horsholm, tops this list with the largest team on record.
Which country has the most roof vent manufacturers?
The United States leads with 184 companies, followed by the United Kingdom (91) and Germany (60). Every roof vent manufacturers list by country and city is linked on this page.
Which city has the most roof vent manufacturers?
Houston leads with 7 headquartered companies, followed by London (5) and Phoenix (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,994 verified decision-maker contacts tracked across these 762 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.