Company lists · Data refreshed September 2026

Top 25 Thermal insulation products companies worldwide

RevenueBase identified 8,720 thermal insulation products companies worldwide as of September 2026 and tracks 106,430 professional contacts across them, including 28,016 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers thermal insulation products companies 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 22, 2026. Country and city lists for thermal insulation products companies 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 22, 2026 86% judged on-target in blind review
8,720Companies
106,430Contacts tracked
28,016Verified emails
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The 25 largest thermal insulation products companies worldwide

Ranked by team size
Top 25 of 8,720 thermal insulation products companies worldwide, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to thermal insulation products companies: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceIphofen, GermanyHQ checked Sep 22, 202610001+4,158 contacts →

Indirect evidence

“Everyone sees opportunity differently.”

Source: RevenueBase Database · checked Sep 22, 2026
2Strong evidenceDenver, CO, United StatesHQ checked Sep 22, 20265,001-10,0002,811 contacts →

Strong evidence

“At Johns Manville, we build on decades of experience to manufacture commercial roofing, premium-quality insulation and a variety of engineered products for our customers.”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceHedehusene, DenmarkHQ checked Sep 22, 202610001+2,632 contacts →

Indirect evidence

“At ROCKWOOL, everything we do is based on releasing the natural power of stone to enrich modern living.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceRichmond, VA, United StatesHQ checked Sep 22, 20265,001-10,0001,936 contacts →

Indirect evidence

“Founded in 1950, Carpenter Co.”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceParis, FranceHQ checked Sep 22, 20261,001-5,0001,724 contacts →

Indirect evidence

“Calderys is a leading global provider for industries operating in high-temperature conditions.”

Source: RevenueBase Database · checked Sep 22, 2026
6Partial evidenceCapellen, LuxembourgHQ checked Sep 22, 20261,001-5,0001,314 contacts →

Partial evidence

“ARMACELL - DRIVING ENERGY EFFICIENCY Armacell is the inventor of flexible elastomeric foams for equipment insulation.”

Source: RevenueBase Database · checked Sep 22, 2026
7Strong evidenceSheffield, United KingdomHQ checked Sep 22, 20265,001-10,0001,059 contacts →

Strong evidence

“SIG is a leading pan-European provider of specialist construction and insulation products.”

Source: RevenueBase Database · checked Sep 22, 2026
8Partial evidenceLeominster, United StatesHQ checked Sep 22, 20261,001-5,000955 contacts →

Partial 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 22, 2026
9Partial evidenceNew Delhi, IndiaHQ checked Sep 22, 20261,001-5,000868 contacts →

Partial 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 22, 2026
10Partial evidenceBrussels, BelgiumHQ checked Sep 22, 20261,001-5,000707 contacts →

Partial evidence

“Recticel Group is a leading insulation company with headquarters in Belgium and operations in eight countries across Europa and the US.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceDaytona Beach, FL, United StatesHQ checked Sep 22, 2026n/a692 contacts →

Indirect evidence

“TopBuild is now QXO.”

Source: RevenueBase Database · checked Sep 22, 2026
12Partial evidenceCourbevoie, FranceHQ checked Sep 22, 20261,001-5,000671 contacts →

Partial evidence

“KAEFER WANNER, leader français de l’isolation industrielle, est un partenaire très demandé en Isolation Thermique Industrielle et Nucléaire, Echafaudage, Désamiantage, Protection…”

Source: RevenueBase Database · checked Sep 22, 2026
13Indirect evidenceStavanger, NorwayHQ checked Sep 22, 20261,001-5,000663 contacts →

Indirect evidence

“KAEFER is a part of the KAEFER Group, one of Europe’s largest construction companies.”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceDubai, United Arab EmiratesHQ checked Sep 22, 20261,001-5,000612 contacts →

Indirect evidence

“Hira Industries | Serving the Building & Construction Industry Since 1980.”

Source: RevenueBase Database · checked Sep 22, 2026
15Strong evidenceMadrid, SpainHQ checked Sep 22, 20261,001-5,000605 contacts →

Strong evidence

“URSA is a company dedicated to the manufacture and commercialization of thermal and acoustic insulation materials oriented towards sustainability and energy efficiency in…”

Source: RevenueBase Database · checked Sep 22, 2026
16Strong evidenceCharlotte, NC, United StatesHQ checked Sep 22, 20261,001-5,000571 contacts →

Strong evidence

“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceHelsinki, FinlandHQ checked Sep 22, 20261,001-5,000501 contacts →

Indirect evidence

“When you work with us you are making the world a better place.”

Source: RevenueBase Database · checked Sep 22, 2026
18Strong evidenceHouston, TX, United StatesHQ checked Sep 22, 20261,001-5,000488 contacts →

Strong evidence

“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.”

Source: RevenueBase Database · checked Sep 22, 2026
19Indirect evidenceNorthborough, MA, United StatesHQ checked Sep 22, 2026201-500449 contacts →

Indirect evidence

“Aspen is a technology leader in sustainability.”

Source: RevenueBase Database · checked Sep 22, 2026
20Indirect evidenceDenmarkHQ checked Sep 22, 20261,001-5,000425 contacts →

Indirect evidence

“With more than 50 years of research, development and experience, we have become the leading manufacturer of pre-insulated pipe systems.”

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceFort Worth, TX, United StatesHQ checked Sep 22, 2026501-1,000419 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026
22Partial evidenceAtlanta, GA, United StatesHQ checked Sep 22, 202651-200396 contacts →

Partial evidence

“Sto is an international technology leader in the design and production of innovative building materials tailored to human needs.”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceRuswil, SwitzerlandHQ checked Sep 22, 2026501-1,000381 contacts →

Indirect evidence

“Worldwide, about half of the global energy consumption is attributed to heating and cooling buildings.”

Source: RevenueBase Database · checked Sep 22, 2026
24Partial evidenceDeland, FL, United StatesHQ checked Sep 22, 20261,001-5,000348 contacts →

Partial evidence

“Who We Are: Kingspan is a trusted leader in the design, manufacture and supply of high performance building products and solutions for the global property and construction…”

Source: RevenueBase Database · checked Sep 22, 2026
25Indirect evidenceMedford, MA, United StatesHQ checked Sep 22, 2026501-1,000342 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 8,720 thermal insulation products companies worldwide

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Thermal insulation products companies worldwide at a glance

As of Sep 22, 2026
26.3%Verified-email coverage
12.2Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · Istanbul
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
3,471
11-50
3,173
51-200
1,268
201-500
426
501-1,000
102
1,001-5,000
99
5,001-10,000
24
10001+
31

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 thermal insulation products companies, 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 thermal insulation products companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “thermal insulation products companies”. 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 thermal insulation products companies), 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 thermal insulation products companies, 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, 28,016 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 22, 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.

Thermal insulation products companies by location

33 lists · largest first

Every Thermal insulation products companies 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 thermal insulation products companies, 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 thermal insulation products companies are there worldwide?

RevenueBase identified 8,720 thermal insulation products companies 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?

KNAUF, headquartered in Iphofen, tops this list with the largest team on record.

Which country has the most thermal insulation products companies?

The United States leads with 1,510 companies, followed by France (682) and the United Kingdom (548). Every thermal insulation products companies list by country and city is linked on this page.

Which city has the most thermal insulation products companies?

Istanbul leads with 75 headquartered companies, followed by London (38) and Dubai (37).

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 28,016 verified decision-maker contacts tracked across these 8,720 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 22, 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.