Company lists · Data refreshed September 2026

Top 25 Rock mineral wool insulation manufacturers worldwide

RevenueBase identified 2,024 rock mineral wool insulation manufacturers worldwide as of September 2026 and tracks 36,923 professional contacts across them, including 10,476 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers rock mineral wool insulation 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 rock mineral wool insulation 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
2,024Companies
36,923Contacts tracked
10,476Verified emails
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The 25 largest rock mineral wool insulation manufacturers worldwide

Ranked by team size
Top 25 of 2,024 rock mineral wool insulation manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to rock mineral wool insulation 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHedehusene, DenmarkHQ checked Sep 30, 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 30, 2026
2Strong evidenceVise, BelgiumHQ checked Sep 30, 20265,001-10,0001,935 contacts →

Strong evidence

“Knauf Insulation is one of the world’s largest manufacturers of insulation products and solutions.”

Source: RevenueBase Database · checked Sep 30, 2026
3Partial evidenceCapellen, LuxembourgHQ checked Sep 30, 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 30, 2026
4Strong evidenceLeominster, United StatesHQ checked Sep 30, 20261,001-5,000955 contacts →

Strong 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 30, 2026
5Partial evidenceBrussels, BelgiumHQ checked Sep 30, 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 30, 2026
6Indirect evidenceDaytona Beach, FL, United StatesHQ checked Sep 30, 2026n/a692 contacts →

Indirect evidence

“TopBuild is now QXO.”

Source: RevenueBase Database · checked Sep 30, 2026
7Strong evidenceMadrid, SpainHQ checked Sep 30, 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 30, 2026
8Partial evidenceCharlotte, NC, United StatesHQ checked Sep 30, 20261,001-5,000571 contacts →

Partial 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 30, 2026
9Indirect evidenceHelsinki, FinlandHQ checked Sep 30, 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 30, 2026
10Partial evidenceHouston, TX, United StatesHQ checked Sep 30, 20261,001-5,000488 contacts →

Partial 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 30, 2026
11Indirect evidenceMedford, MA, United StatesHQ checked Sep 30, 2026501-1,000342 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
12Partial evidenceWetherby, United KingdomHQ checked Sep 30, 2026501-1,000328 contacts →

Partial evidence

“Insulation, drywall, ceilings, construction products, external facades, flooring, partitioning, passive fire protection: whatever your project, Encon has the product range…”

Source: RevenueBase Database · checked Sep 30, 2026
13Indirect evidenceHanau-steinheim, GermanyHQ checked Sep 30, 20261,001-5,000302 contacts →

Indirect evidence

“Wego Systembaustoffe GmbH ist mit dem Bereich Wärme, Kälte, Schall- und Brandschutz mit der Sparte VTI (Vertrieb Technischer Isolier- und Dämmstoffe) ein Tochterunternehmen der…”

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceİstanbul, TürkiyeHQ checked Sep 30, 2026501-1,000295 contacts →

Indirect evidence

“Tarihçe Türkiye yalıtım sektörünün öncüsü olarak 1965 yılında kurulan İzocam A.Ş'nin Gebze'deki ilk fabrikası 1967 yılında camyünü üretimine başlayarak faaliyete geçmiştir.”

Source: RevenueBase Database · checked Sep 30, 2026
15Indirect evidenceLandivisiau, FranceHQ checked Sep 30, 2026501-1,000280 contacts →

Indirect evidence

“Queguiner Materiaux is a matériaux de construction company based out of 45Rue Georges Clemenceau, Landivisiau, Brittany, France.”

Source: RevenueBase Database · checked Sep 30, 2026
16Indirect evidenceParis, FranceHQ checked Sep 30, 2026501-1,000255 contacts →

Indirect evidence

“Nous révélons les bienfaits de la roche, ressource naturelle abondante pour relever les enjeux planétaires.”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidenceSaint Cyr En Val, FranceHQ checked Sep 30, 2026201-500251 contacts →

Indirect evidence

“Fondée en 1974, Thévenin SA s’est construite autour de valeurs fortes : proximité, écoute, courage, ambition, organisation, esprit d’entreprendre.”

Source: RevenueBase Database · checked Sep 30, 2026
18Partial evidenceCoventry, United KingdomHQ checked Sep 30, 2026201-500214 contacts →

Partial evidence

“Minster is one of the largest growing national specialist insulation and dry lining distributors in the UK.”

Source: RevenueBase Database · checked Sep 30, 2026
19Partial evidenceGemert, NetherlandsHQ checked Sep 30, 202610001+209 contacts →

Partial evidence

“Kingspan Unidek is a supplier of innovative solutions for fast and efficient construction and insulation.”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceColumbus, OH, United StatesHQ checked Sep 30, 2026201-500180 contacts →

Indirect evidence

“Interior Supply Inc.”

Source: RevenueBase Database · checked Sep 30, 2026
21Indirect evidenceAlahmadi, KuwaitHQ checked Sep 30, 2026501-1,000172 contacts →

Indirect evidence

“KIMMCO-Isover, is a joint-venture between the International Leader in Construction Products and which considered one of the largest, privately owned companies in the Gulf region…”

Source: RevenueBase Database · checked Sep 30, 2026
22Partial evidenceMumbai, IndiaHQ checked Sep 30, 20261,001-5,000158 contacts →

Partial evidence

“Saint-Gobain India – Insulation Business, as part of the global Saint-Gobain Group, carries a legacy woven from innovation and purpose.”

Source: RevenueBase Database · checked Sep 30, 2026
23Indirect evidenceAnápolis, BrazilHQ checked Sep 30, 2026501-1,000157 contacts →

Indirect evidence

“A Isoeste Construtivos Isotérmicos se orgulha de ser líder em tecnologia na área de produtos com isolação térmica.”

Source: RevenueBase Database · checked Sep 30, 2026
24Indirect evidenceTreillières, FranceHQ checked Sep 30, 2026201-500155 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceCigacice, PolandHQ checked Sep 30, 20261,001-5,000150 contacts →

Indirect evidence

“Jesteśmy częścią globalnej Grupy ROCKWOOL – lidera w produkcji innowacyjnych rozwiązań z wełny skalnej.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 2,024 rock mineral wool insulation manufacturers worldwide

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Rock mineral wool insulation manufacturers worldwide at a glance

As of Sep 30, 2026
28.4%Verified-email coverage
18.2Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Istanbul
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
727
11-50
667
51-200
338
201-500
154
501-1,000
36
1,001-5,000
43
5,001-10,000
11
10001+
18

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 rock mineral wool insulation 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 rock mineral wool insulation manufacturers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “rock mineral wool insulation 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 rock mineral wool insulation 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 rock mineral wool insulation 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, 10,476 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.

Rock mineral wool insulation manufacturers by location

15 lists · largest first

Every Rock mineral wool insulation manufacturers 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 rock mineral wool insulation 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 rock mineral wool insulation manufacturers are there worldwide?

RevenueBase identified 2,024 rock mineral wool insulation 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?

Rockwool Group, headquartered in Hedehusene, tops this list with the largest team on record.

Which country has the most rock mineral wool insulation manufacturers?

The United States leads with 289 companies, followed by Türkiye (117) and India (108). Every rock mineral wool insulation manufacturers list by country and city is linked on this page.

Which city has the most rock mineral wool insulation manufacturers?

Istanbul leads with 23 headquartered companies, followed by Ankara (10) and London (10).

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 10,476 verified decision-maker contacts tracked across these 2,024 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.