Company lists · Data refreshed September 2026

Top 25 Commercial grade window manufacturers worldwide

Name: Commercial grade window manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 9,868 companies tracked

RevenueBase identified 9,868 commercial grade window manufacturers worldwide as of September 2026 and tracks 111,210 professional contacts across them, including 24,241 with verified work emails. The United States is the largest market and London the largest hub.

This list covers commercial grade window 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 commercial grade window 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

9,868Companies

111,210Contacts tracked

24,241Verified emails

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The 25 largest commercial grade window manufacturers worldwide

Ranked by team size

Top 25 of 9,868 commercial grade window manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to commercial grade window manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Andersen Corporation	Strong evidence	Bayport, MN, United StatesHQ checked Sep 30, 2026	10001+	4,782 contacts →
	Strong evidence “For more than 121 years, Andersen has designed, manufactured, and marketed premium windows and doors.” Source: RevenueBase Database · checked Sep 30, 2026
2	Pella Corporation	Partial evidence	Pella, IA, RussiaHQ checked Sep 30, 2026	10001+	4,073 contacts →
	Partial evidence “As the #1 most-preferred national window and door brand by homeowners across the country, Pella Corporation leads the industry in innovation and design.” Source: RevenueBase Database · checked Sep 30, 2026
3	Marvin	Indirect evidence	Warroad, MN, IndiaHQ checked Sep 30, 2026	5,001-10,000	2,650 contacts →
	Indirect evidence “At Marvin, we’re driven to help customers find inspiration and create spaces designed around the way they live.” Source: RevenueBase Database · checked Sep 30, 2026
4	Fenesta Windows	Indirect evidence	Gurgaon, IndiaHQ checked Sep 30, 2026	5,001-10,000	1,446 contacts →
	Indirect evidence “Fenesta is a part of DCM Shriram Group which was established in 1889 and has a turnover of INR 12,741 Crore as of FY 2025.” Source: RevenueBase Database · checked Sep 30, 2026
5	Milgard Windows And Doors	Strong evidence	Tacoma, WA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,285 contacts →
	Strong evidence “Milgard Windows & Doors manufactures high-quality, innovative replacement windows and patio doors for home improvement projects as well as new construction windows and patio doors…” Source: RevenueBase Database · checked Sep 30, 2026
6	Trulite Glass & Aluminum Solutions	Indirect evidence	Peachtree City, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,184 contacts →
	Indirect evidence “TRULITE GLASS & ALUMINUM SOLUTIONS is one of North America's largest architectural glass and aluminum fabricators and distributors.” Source: RevenueBase Database · checked Sep 30, 2026
7	Atrium Windows & Doors	Partial evidence	United StatesHQ checked Sep 30, 2026	1,001-5,000	788 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
8	Eko-Okna S.A	Indirect evidence	Pietrowice Wielkie, PolandHQ checked Sep 30, 2026	10001+	716 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
9	ES Latam	Indirect evidence	Barranquilla, ColombiaHQ checked Sep 30, 2026	5,001-10,000	654 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
10	Alumil	Indirect evidence	N. Efkarpia, GreeceHQ checked Sep 30, 2026	1,001-5,000	578 contacts →
	Indirect evidence “Innovative Aluminium Solutions \| Global Presence \| Certified Excellence With over 35 years of experience and more than 3.200 employees, ALUMIL is a globally recognized leader in…” Source: RevenueBase Database · checked Sep 30, 2026
11	Odl, INC	Indirect evidence	Zeeland, MI, United StatesHQ checked Sep 30, 2026	1,001-5,000	523 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
12	K Line France Groupe Liebot	Indirect evidence	Les Herbiers, FranceHQ checked Sep 30, 2026	1,001-5,000	521 contacts →
	Indirect evidence “Filiale du Groupe Liébot, K•LINE est une entreprise familiale vendéenne spécialisée dans la fabrication de menuiseries aluminium.” Source: RevenueBase Database · checked Sep 30, 2026
13	Simonton Windows & Doors	Partial evidence	Cary, NC, United StatesHQ checked Sep 30, 2026	1,001-5,000	498 contacts →
	Partial evidence “Simonton delivers windows and patio doors nationwide to key markets throughout the 48 continental United States and North America.” Source: RevenueBase Database · checked Sep 30, 2026
14	State Window Corporation	Partial evidence	Vaughan, ON, CanadaHQ checked Sep 30, 2026	501-1,000	452 contacts →
	Partial evidence “State Window Corporation offers complete design, engineering, manufacturing and installation of custom window wall systems.” Source: RevenueBase Database · checked Sep 30, 2026
15	YKK AP America INC	Strong evidence	Atlanta, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	427 contacts →
	Strong evidence “YKK AP America is the North American arm of the global YKK AP Group-an innovation-driven, award-winning manufacturer of commercial façade systems and residential windows and doors.” Source: RevenueBase Database · checked Sep 30, 2026
16	Bradnam's Windows & Doors	Strong evidence	Boondall, AustraliaHQ checked Sep 30, 2026	1,001-5,000	380 contacts →
	Strong evidence “Bradnam’s Windows and Doors is one of Australia’s most respected aluminium joinery manufacturers, supplying high quality product to architects, designers, builders and home…” Source: RevenueBase Database · checked Sep 30, 2026
17	ALL Weather At Home	Strong evidence	Edmonton, AB, CanadaHQ checked Sep 30, 2026	1,001-5,000	373 contacts →
	Strong evidence “All Weather at Home is Canada's largest privately owned window and door manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026
18	EFCO	Strong evidence	Monett, MO, United StatesHQ checked Sep 30, 2026	1,001-5,000	373 contacts →
	Strong evidence “The EFCO brand offers a comprehensive portfolio of architectural windows, curtain walls, storefronts, and entry systems designed for commercial construction needs.” Source: RevenueBase Database · checked Sep 30, 2026
19	PGT Innovations	Indirect evidence	N. Venice, FL, United StatesHQ checked Sep 30, 2026	1,001-5,000	363 contacts →
	Indirect evidence “Building smarter products by combining strong companies.” Source: RevenueBase Database · checked Sep 30, 2026
20	PT YKK AP Indonesia	Indirect evidence	Tangerang, IndonesiaHQ checked Sep 30, 2026	1,001-5,000	347 contacts →
	Indirect evidence “PT YKK AP INDONESIA is a Japan manufacturing company which was established on 1986 and we are one of the companies under YKK Group, consists of another manufacturing industry…” Source: RevenueBase Database · checked Sep 30, 2026
21	Integrated Facade Solutions EX Alico Egypt	Indirect evidence	Cairo, EgyptHQ checked Sep 30, 2026	501-1,000	338 contacts →
	Indirect evidence “Integrated Façade Solution ® Previously Known as Alico Egypt is one of Orascom Construction’s subsidiaries, A leading Aluminum & Glazing Façade Building Envelope company in Egypt…” Source: RevenueBase Database · checked Sep 30, 2026
22	Kolbe Windows & Doors	Partial evidence	Wausau, WI, United StatesHQ checked Sep 30, 2026	1,001-5,000	332 contacts →
	Partial evidence “After 75 years, Kolbe Windows & Doors is best known for superior quality, custom craftsmanship, and attention to detail.” Source: RevenueBase Database · checked Sep 30, 2026
23	FAKRO	Indirect evidence	Nowy Sącz, PolandHQ checked Sep 30, 2026	1,001-5,000	314 contacts →
	Indirect evidence “FAKRO is a private company established in Poland in 1991.” Source: RevenueBase Database · checked Sep 30, 2026
24	Loewen	Indirect evidence	Steinbach, MB, CanadaHQ checked Sep 30, 2026	501-1,000	306 contacts →
	Indirect evidence “For luxury homeowners, and the architects, designers and custom builders who create their dreams, Loewen is the brand that delivers an unrivaled combination of artisanship…” Source: RevenueBase Database · checked Sep 30, 2026
25	Durabuilt Windows & Doors	Strong evidence	Edmonton, AB, CanadaHQ checked Sep 30, 2026	501-1,000	302 contacts →
	Strong evidence “Durabuilt Windows & Doors has been recognized as the #1 ENERGY STAR® certified window and door manufacturer in Canada - a distinction earned through an unwavering commitment to…” Source: RevenueBase Database · checked Sep 30, 2026

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: commercial grade window 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 commercial grade window manufacturers.
Partial evidence: Its own public description names part of commercial grade window manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name commercial grade window 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 9,868 commercial grade window manufacturers worldwide

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Commercial grade window manufacturers worldwide at a glance

As of Sep 30, 2026

21.8%Verified-email coverage

11.3Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

3,843

11-50

3,618

51-200

1,538

201-500

443

501-1,000

139

1,001-5,000

102

5,001-10,000

10001+

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 commercial grade window 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 commercial grade window manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “commercial grade window 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 commercial grade window 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 commercial grade window 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, 24,241 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.

Commercial grade window manufacturers by location

28 lists · largest first

Every Commercial grade window manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 commercial grade window 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 commercial grade window manufacturers are there worldwide?

RevenueBase identified 9,868 commercial grade window 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?

Andersen Corporation, headquartered in Bayport, tops this list with the largest team on record.

Which country has the most commercial grade window manufacturers?

The United States leads with 1,611 companies, followed by the United Kingdom (1,198) and Italy (651). Every commercial grade window manufacturers list by country and city is linked on this page.

Which city has the most commercial grade window manufacturers?

London leads with 71 headquartered companies, followed by Sao Paulo (58) and Bangalore (44).

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 24,241 verified decision-maker contacts tracked across these 9,868 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.