Company lists · Data refreshed September 2026
Top 25 Glass curtain wall contractors worldwide
RevenueBase identified 6,276 glass curtain wall contractors worldwide as of September 2026 and tracks 80,124 professional contacts across them, including 20,695 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.
This list covers glass curtain wall contractors 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 16, 2026. Country and city lists for glass curtain wall contractors 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 glass curtain wall contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,860 contacts → | ||||
Indirect evidence “At Oldcastle BuildingEnvelope® (OBE), we believe the work of our employees truly matters.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,452 contacts → | ||||
Indirect evidence “Schüco ist Europas Nummer 1 und weltweit tätig in der Realisierung von Gebäudehüllen.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,196 contacts → | ||||
Indirect evidence “We are Permasteelisa Group – the leading international façade specialist that has been shaping city skylines worldwide for generations.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,184 contacts → | ||||
Partial evidence “TRULITE GLASS & ALUMINUM SOLUTIONS is one of North America's largest architectural glass and aluminum fabricators and distributors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 856 contacts → | ||||
Indirect evidence “Al Abbar Group is a global leader in façade solutions, with over five decades of excellence shaping some of the world's most iconic skylines.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 648 contacts → | ||||
Indirect evidence “Viracon is part of Apogee Enterprises, Inc.(NASDAQ: APOG) and is headquartered in Owatonna, Minnesota, From aesthetics to strict environmental and energy specifications, to…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 579 contacts → | ||||
Strong evidence “Metal Yapı is a specialized international facade contractor company which designs, manufactures and installs high quality glass facades, skylights, light steel structures and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 452 contacts → | ||||
Partial evidence “State Window Corporation offers complete design, engineering, manufacturing and installation of custom window wall systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 441 contacts → | ||||
Partial evidence “For over 150 years, Binswanger Glass has shaped the built environment with award-winning architectural glazing solutions.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 427 contacts → | ||||
Indirect 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 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 385 contacts → | ||||
Partial evidence “CRL is the industry’s leading, full-service provider of architectural metals, glass fittings and professional-grade glazing supplies.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 363 contacts → | ||||
Indirect evidence “Cladtech International LLC (CTI) was established in 2006 within the strategic location of the region situated at old Al Jazeera, Ras Al Khaimah, UAE covering an area of M2, CTI is…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 362 contacts → | ||||
Indirect evidence “Grupo Aluman offers global, innovative and sustainable solutions for the construction sector.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 355 contacts → | ||||
Indirect evidence “Reem Emirates Aluminum (REA) is a value based organization which is built on the pillars of commitment to quality product, service and optimal productivity.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 342 contacts → | ||||
Indirect evidence “Manufacturing glazing systems in the North American Markets.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 333 contacts → | ||||
Partial evidence “Hartung Glass Industries is one of the fastest growing, most dynamic, total service glass companies in North America.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 333 contacts → | ||||
Partial evidence “seele is one of the world’s top companies specialising in the design and construction of façades and complex building envelopes made from glass, steel, aluminium, membranes and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 316 contacts → | ||||
Indirect evidence “Alutec, Aluminium Technology Auxiliary Industries WLL is a global leader in design, engineering, manufacturing and installation of building envelopes and architectural systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 313 contacts → | ||||
Strong evidence “Enclos is a US-based specialty contractor focused exclusively on custom curtainwall and high-performance structural glass facades.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 279 contacts → | ||||
Indirect evidence “Chez TECHNAL France, nous sommes 700 hommes et femmes à collaborer avec plus de 230 entreprises partenaires partout en France, dans les DOM-TOM, en Afrique et au Canada, pour le…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 275 contacts → | ||||
Indirect evidence “By definition, Apogee means "highest point." It's no coincidence that it's also the name of our company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 267 contacts → | ||||
Indirect evidence “Reem Emirates Aluminum (REA) is a value based organization which is built on the pillars of commitment to quality product, service and optimal productivity.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 257 contacts → | ||||
Indirect evidence “Inventure Metal Products LLC is a construction company based out of United Arab Emirates.” Source: RevenueBase Database · checked Sep 16, 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: glass curtain wall contractors. 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 glass curtain wall contractors.
- Partial evidence
- Its own public description names part of glass curtain wall contractors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name glass curtain wall contractors. 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 6,276 glass curtain wall contractors worldwide
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Glass curtain wall contractors worldwide at a glance
As of Sep 16, 2026Companies by employee count
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 glass curtain wall contractors, 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
- 29 countries, largest first: the United States, the United Kingdom, Brazil, Germany, India, Canada, the United Arab Emirates, Italy, Australia, France and 19 more. Country and city lists for glass curtain wall contractors are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “glass curtain wall contractors”. 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 glass curtain wall contractors), 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 glass curtain wall contractors, 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, 20,695 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 16, 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.
Glass curtain wall contractors by location
32 lists · largest firstEvery Glass curtain wall contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Glass curtain wall contractors based in the United States1,534
- Glass curtain wall contractors based in the United Kingdom658
- Glass curtain wall contractors based in Brazil512
- Glass curtain wall contractors based in Germany404
- Glass curtain wall contractors based in India395
- Glass curtain wall contractors based in Canada345
- Glass curtain wall contractors based in the United Arab Emirates246
- Glass curtain wall contractors based in Italy238
- Glass curtain wall contractors based in Australia235
- Glass curtain wall contractors based in France209
- Glass curtain wall contractors based in Türkiye199
- Glass curtain wall contractors based in the Netherlands190
- Glass curtain wall contractors based in Spain177
- Glass curtain wall contractors based in Switzerland126
- Glass curtain wall contractors based in Mexico113
- Glass curtain wall contractors based in Saudi Arabia82
- Glass curtain wall contractors based in Belgium78
- Glass curtain wall contractors based in Poland73
- Glass curtain wall contractors based in Sweden70
- Glass curtain wall contractors based in Egypt64
- Glass curtain wall contractors based in Denmark47
- Glass curtain wall contractors based in Portugal47
- Glass curtain wall contractors based in Norway43
- Glass curtain wall contractors based in Austria41
- Glass curtain wall contractors based in Qatar34
- Glass curtain wall contractors based in Ireland31
- Glass curtain wall contractors based in New Zealand31
- Glass curtain wall contractors based in Lebanon29
- Glass curtain wall contractors based in Finland25
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 glass curtain wall contractors, 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 glass curtain wall contractors are there worldwide?
RevenueBase identified 6,276 glass curtain wall contractors 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?
Oldcastle Buildingenvelope, headquartered in Dallas, tops this list with the largest team on record.
Which country has the most glass curtain wall contractors?
The United States leads with 1,534 companies, followed by the United Kingdom (658) and Brazil (512). Every glass curtain wall contractors list by country and city is linked on this page.
Which city has the most glass curtain wall contractors?
London leads with 117 headquartered companies, followed by Sao Paulo (95) and Dubai (90).
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 20,695 verified decision-maker contacts tracked across these 6,276 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 16, 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.