Company lists · Data refreshed October 2026

Top 25 Insulating interior windows suppliers worldwide

RevenueBase identified 3,473 company matches for insulating interior windows suppliers worldwide as of October 2026 and tracks 29,404 professional contacts across them, including 7,119 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for insulating interior windows suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 27, 2026. Country and city lists for insulating interior windows suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 27, 2026 How this list was built
3,473Companies
29,404Contacts tracked
7,119Verified emails
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The 25 largest insulating interior windows suppliers worldwide

Ranked by team size
Top 25 of 3,473 company matches for insulating interior windows suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 27, 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 matchUnited StatesHQ recorded Oct 27, 20261,001-5,000837 contacts →

Exact match

“For more than 50 years, Atrium Corporation has offered the highest quality window and door products to builders, contractors and distributors in the residential construction…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
2Exact matchFulton, MD, United StatesHQ recorded Oct 27, 2026501-1,000762 contacts →

Exact match

“At Window Nation, we know replacement windows.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
3Exact matchBarranquilla, ColombiaHQ recorded Oct 27, 20265,001-10,000701 contacts →

Exact match

“Durante más de 40 años, hemos sido líderes en la industria del vidrio, el metal y las ventanas, siendo la compañía número 1 en América en la fabricación de productos para la…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
4Exact matchZeeland, MI, United StatesHQ recorded Oct 27, 20261,001-5,000536 contacts →

Exact match

“Driven by continual innovation and trusted customer partnerships, ODL is a visionary building products leader delivering a full breadth of high-quality door and insulated glass…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
5Exact matchWausau, WI, United StatesHQ recorded Oct 27, 20261,001-5,000331 contacts →

Exact match

“After 75 years, Kolbe Windows & Doors is best known for superior quality, custom craftsmanship, and attention to detail.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
6Exact matchNoyal-pontivy, FranceHQ recorded Oct 27, 20261,001-5,000286 contacts →

Exact match

“Activité menuiserie de HERIGE Industries, Atlantem propose une gamme complète de produits fabriqués en France couvrant tous les besoins en ouvertures et fermetures pour l’habitat…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
7Exact matchHasselt, BelgiumHQ recorded Oct 27, 2026501-1,000271 contacts →

Exact match

“For more than 48 years, Belisol has been a specialist in windows, doors and sliding doors in PVC, aluminium and wood.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
8Exact matchMedford, United StatesHQ recorded Oct 27, 20261,001-5,000264 contacts →

Exact match

“Weather Shield has been committed to making windows and doors the best way we know how- by putting the wants of our customers first.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
9Exact matchZionsville, IN, United StatesHQ recorded Oct 27, 202651-200260 contacts →

Exact match

“A pioneering dealer for next-generation windows and eco-friendly building products, Apex Energy Solutions serves homeowners who value and love the place they call home.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
10Exact matchHochdorf, SwitzerlandHQ recorded Oct 27, 2026501-1,000236 contacts →

Exact match

“Wir sind ein auf Fenster, Türen und Fassaden spezialisiertes Unternehmen mit Hauptsitz im Herzen der Schweiz.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
11Exact matchPortland, OR, United StatesHQ recorded Oct 27, 2026201-500218 contacts →

Exact match

“Established in 1991, Western Pacific has grown to be the leading supplier of quality residential windows, doors, and mouldings with a focus on serving the needs of professional…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
12Exact matchSt. Paul, MN, United StatesHQ recorded Oct 27, 20261,001-5,000218 contacts →

Exact match

“Local Knowledge, National Strength USI is a leading provider of installation and distribution services to the residential and commercial construction markets.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
13Exact matchDandenong South, AustraliaHQ recorded Oct 27, 2026501-1,000181 contacts →

Exact match

“With over 45 years of rich history behind us, we’re ready to frame an exciting future at A&L.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
14Exact matchIrving, TX, United StatesHQ recorded Oct 27, 2026501-1,000176 contacts →

Exact match

“Windows USA® is a custom manufacturer of premium quality vinyl window and door systems specializing exclusively in the residential retrofit and remodeling market.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
15Exact matchLangley, CanadaHQ recorded Oct 27, 2026201-500171 contacts →

Exact match

“From window and door manufacturing, supply, and install to building envelope restorations, Centra Windows & Install Pros does it all.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
16Exact matchTreillières, FranceHQ recorded Oct 27, 2026201-500167 contacts →

Exact match

“Installée sur 30 dans l’agglomération nantaise, SOFRADI, SOciété FRAnçaise D’Isolation s’impose depuis 1977 sur le marché de l’isolation.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
17Exact matchCleveland, OH, United StatesHQ recorded Oct 27, 202651-200160 contacts →

Exact match

“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
18Exact matchLorton, VA, United StatesHQ recorded Oct 27, 2026501-1,000155 contacts →

Exact match

“INTUS creates high performing windows and doors that conserve energy, increase thermal performance, and reduce noise.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
19Exact matchGazzo Veronese, ItalyHQ recorded Oct 27, 2026501-1,000155 contacts →

Exact match

“Piva Group nasce nel 2005 ma affonda le sue radici nella sapienza di due aziende italiane, Mondial Infissi per la costruzione di serramenti in alluminio e Pannelli System per la…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
20Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 27, 2026201-500151 contacts →

Exact match

“For more than 60 years, AMSCO Windows has been bringing new innovations in window technology to the marketplace.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
21Exact matchLittleton, CO, United StatesHQ recorded Oct 27, 2026201-500148 contacts →

Exact match

“American Exteriors, LLC manufactures and sells replacement windows, siding, and other products that improve the energy efficiency and appearance of an existing home.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
22Exact matchSpringfield, NJ, United StatesHQ recorded Oct 27, 2026501-1,000139 contacts →

Exact match

“We founded United Window and Door Manufacturing with a clearly defined mission: to provide the finest, most reliable products in our industry and support them with equally…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
23Exact matchSpokane, WA, United StatesHQ recorded Oct 27, 2026201-500138 contacts →

Exact match

“VPI Quality Windows has been the leading commercial and multi-family vinyl window manufacturer in the United States for nearly 35 years.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
24Exact matchSwansea, United KingdomHQ recorded Oct 27, 20261,001-5,000137 contacts →

Exact match

“PRESS GLASS WE ARE HERE TO MAKE A DIFFERENCE.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
25Exact matchWelshpool, United StatesHQ recorded Oct 27, 2026201-500134 contacts →

Exact match

“Jason Windows has a proud tradition of producing high quality aluminum windows and doors in Western Australia.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase

Showing 25 of 3,473 insulating interior windows suppliers worldwide

See the full list, filter by size, metro and specialty, and access 7,119 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Insulating interior windows suppliers worldwide at a glance

As of Oct 27, 2026
24.2%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
0.6%Largest-city concentration · London
Oct 27, 2026Page data refreshed

Companies by employee count

1-10
1,786
11-50
1,167
51-200
329
201-500
79
501-1,000
26
1,001-5,000
15
5,001-10,000
1
10001+
3

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 insulating interior windows suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “insulating interior windows suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 7,119 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 27, 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.

Insulating interior windows suppliers by location

13 lists · largest first

Every Insulating interior windows suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “insulating interior windows suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many insulating interior windows suppliers are there worldwide?

RevenueBase identified 3,473 company matches for insulating interior windows suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Atrium Windows & Doors tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most insulating interior windows suppliers?

The United States leads with 996 companies, followed by the United Kingdom (328) and Canada (221). Every insulating interior windows suppliers list by country and city is linked on this page.

Which city has the most insulating interior windows suppliers?

London leads with 20 company records, followed by Houston (18) and Toronto (14).

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 7,119 professional contacts with verified work emails tracked across these 3,473 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 27, 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 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.