Company lists · Data refreshed September 2026

Top 25 Building envelope specialists worldwide

Name: Building envelope specialists worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 8,877 companies tracked

RevenueBase identified 8,877 building envelope specialists worldwide as of September 2026 and tracks 162,078 professional contacts across them, including 51,005 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers building envelope specialists 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 building envelope specialists 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 16, 2026 86% judged on-target in blind review

8,877Companies

162,078Contacts tracked

51,005Verified emails

0Mobile numbers

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The 25 largest building envelope specialists worldwide

Ranked by team size

Top 25 of 8,877 building envelope specialists worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to building envelope specialists: 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	Construction Specialties	Partial evidence	Lebanon, NJ, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,882 contacts →
	Partial evidence “Founded in 1948, Construction Specialties (CS) is a family-owned building products company celebrating 75 years in business.” Source: RevenueBase Database · checked Sep 16, 2026
2	Armstrong World Industries	Indirect evidence	Lancaster, PA, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,000 contacts →
	Indirect evidence “Armstrong World Industries, Inc.(AWI) is an Americas leader in the design and manufacture of innovative interior and exterior architectural applications including ceilings…” Source: RevenueBase Database · checked Sep 16, 2026
3	Southland Industries	Partial evidence	Garden Grove, CA, United StatesHQ checked Sep 16, 2026	10001+	2,439 contacts →
	Partial evidence “As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Source: RevenueBase Database · checked Sep 16, 2026
4	Flynn Group Of Companies	Strong evidence	Mississauga, ON, CanadaHQ checked Sep 16, 2026	5,001-10,000	1,951 contacts →
	Strong evidence “The Flynn Group of Companies is North America's leading building envelope trade contractor.” Source: RevenueBase Database · checked Sep 16, 2026
5	Truteam	Indirect evidence	Daytona Beach, FL, United StatesHQ checked Sep 16, 2026	10001+	1,561 contacts →
	Indirect evidence “TruTeam is the nation’s largest insulation installer and we also install fireplaces, gutters, garage doors and more.” Source: RevenueBase Database · checked Sep 16, 2026
6	Modern Niagara	Indirect evidence	Kanata, ON, CanadaHQ checked Sep 16, 2026	1,001-5,000	1,556 contacts →
	Indirect evidence “We build for life.” Source: RevenueBase Database · checked Sep 16, 2026
7	Schüco International KG	Indirect evidence	Bielefeld, GermanyHQ checked Sep 16, 2026	5,001-10,000	1,452 contacts →
	Indirect evidence “Schüco ist Europas Nummer 1 und weltweit tätig in der Realisierung von Gebäudehüllen.” Source: RevenueBase Database · checked Sep 16, 2026
8	Emcor Group, INC	Indirect evidence	Norwalk, CT, United StatesHQ checked Sep 16, 2026	10001+	1,383 contacts →
	Indirect evidence “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Source: RevenueBase Database · checked Sep 16, 2026
9	Smac Enveloppe Industrielle	Indirect evidence	Issy-les-moulineaux, FranceHQ checked Sep 16, 2026	1,001-5,000	1,380 contacts →
	Indirect evidence “Travaux de bardage et d'étanchéité” Source: RevenueBase Database · checked Sep 16, 2026
10	Permasteelisa Group	Partial evidence	Vittorio Veneto, ItalyHQ checked Sep 16, 2026	1,001-5,000	1,196 contacts →
	Partial 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, 2026
11	Lindner Group	Strong evidence	Arnstorf, GermanyHQ checked Sep 16, 2026	5,001-10,000	1,129 contacts →
	Strong evidence “The Lindner Group is Europe's leading full-service provider - manufacturer and service provider - for interior fit-out, building envelope, building services and insulation…” Source: RevenueBase Database · checked Sep 16, 2026
12	Mckenney's, INC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,077 contacts →
	Indirect evidence “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Source: RevenueBase Database · checked Sep 16, 2026
13	Henderson Engineers	Partial evidence	Lenexa, KS, United StatesHQ checked Sep 16, 2026	501-1,000	1,040 contacts →
	Partial evidence “Henderson Engineers is a national building systems design firm with a wide array of engineering services and a portfolio representing a full range of markets including business…” Source: RevenueBase Database · checked Sep 16, 2026
14	Mapa Group	Indirect evidence	Ankara, TürkiyeHQ checked Sep 16, 2026	10001+	959 contacts →
	Indirect evidence “Mapa Group has emerged as a global leader in the engineering and construction industry, now spanning three continents.” Source: RevenueBase Database · checked Sep 16, 2026
15	Kingspan Insulation	Indirect evidence	Leominster, United StatesHQ checked Sep 16, 2026	1,001-5,000	955 contacts →
	Indirect evidence “Kingspan Insulation is the industry leading manufacturer of innovative insulation solutions, which help create a more sustainable and energy efficient built environment.” Source: RevenueBase Database · checked Sep 16, 2026
16	Simpson Gumpertz & Heger SGH	Indirect evidence	Waltham, MA, United StatesHQ checked Sep 16, 2026	501-1,000	942 contacts →
	Indirect evidence “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Source: RevenueBase Database · checked Sep 16, 2026
17	Cmta, INC	Indirect evidence	Louisville, KY, United StatesHQ checked Sep 16, 2026	501-1,000	936 contacts →
	Indirect evidence “CMTA is part of Legence, a Nasdaq Listed company.” Source: RevenueBase Database · checked Sep 16, 2026
18	Stellar	Indirect evidence	Jacksonville, FL, United StatesHQ checked Sep 16, 2026	501-1,000	899 contacts →
	Indirect evidence “Stellar, headquartered in Jacksonville, Florida, is a fully integrated firm focusing on design, engineering, construction, refrigeration, and mechanical and electrical services…” Source: RevenueBase Database · checked Sep 16, 2026
19	Lloyd Insulations India Limited	Indirect evidence	New Delhi, IndiaHQ checked Sep 16, 2026	1,001-5,000	868 contacts →
	Indirect evidence “Lloyd Insulation is one of India’s leading companies offering end to end industry solutions that help create a more sustainable and energy-efficient built environment.” Source: RevenueBase Database · checked Sep 16, 2026
20	Climatec, LLC	Partial evidence	Phoenix, AZ, United StatesHQ checked Sep 16, 2026	1,001-5,000	863 contacts →
	Partial evidence “Climatec has been making buildings safer, more comfortable and efficient for over 40 years.” Source: RevenueBase Database · checked Sep 16, 2026
21	AL Abbar Group	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 16, 2026	1,001-5,000	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, 2026
22	GCP	Partial evidence	Alpharetta, GA, United StatesHQ checked Sep 16, 2026	1,001-5,000	816 contacts →
	Partial evidence “GCP is a leading global provider of specialty building materials dedicated to safeguarding structures and vital infrastructure from water, weather, fire, and more.” Source: RevenueBase Database · checked Sep 16, 2026
23	Terreal	Partial evidence	Suresnes, FranceHQ checked Sep 16, 2026	1,001-5,000	784 contacts →
	Partial evidence “Terreal rejoint wienerberger, l’un des principaux fournisseurs au niveau international de solutions innovantes et écologiques pour l’ensemble de l’enveloppe du bâtiment.” Source: RevenueBase Database · checked Sep 16, 2026
24	Bluescope Buildings North America, INC	Indirect evidence	Kansas City, MO, United StatesHQ checked Sep 16, 2026	1,001-5,000	705 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
25	Kaefer Norway	Indirect evidence	Stavanger, NorwayHQ checked Sep 16, 2026	1,001-5,000	663 contacts →
	Indirect evidence “KAEFER is a part of the KAEFER Group, one of Europe’s largest construction companies.” Source: RevenueBase Database · checked Sep 16, 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: building envelope specialists. 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 building envelope specialists.
Partial evidence: Its own public description names part of building envelope specialists, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name building envelope specialists. 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 8,877 building envelope specialists worldwide

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Building envelope specialists worldwide at a glance

As of Sep 16, 2026

31.5%Verified-email coverage

18.3Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

3,553

11-50

3,297

51-200

1,358

201-500

319

501-1,000

104

1,001-5,000

5,001-10,000

10001+

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 building envelope specialists, 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: 28 countries, largest first: the United States, France, the United Kingdom, Germany, Canada, the Netherlands, Italy, Spain, Switzerland, Türkiye and 18 more. Country and city lists for building envelope specialists are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “building envelope specialists”. 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 building envelope specialists), 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 building envelope specialists, 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, 51,005 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.

Building envelope specialists by location

32 lists · largest first

Every Building envelope specialists 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 building envelope specialists, 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 building envelope specialists are there worldwide?

RevenueBase identified 8,877 building envelope specialists 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?

Construction Specialties, headquartered in Lebanon, tops this list with the largest team on record.

Which country has the most building envelope specialists?

The United States leads with 1,972 companies, followed by France (1,048) and the United Kingdom (1,006). Every building envelope specialists list by country and city is linked on this page.

Which city has the most building envelope specialists?

London leads with 120 headquartered companies, followed by Istanbul (80) and New York (76).

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 51,005 verified decision-maker contacts tracked across these 8,877 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.