Company lists · Data refreshed September 2026

Top 25 Insulation product manufacturers worldwide

Name: Insulation product manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 7,255 companies tracked

RevenueBase identified 7,255 insulation product manufacturers worldwide as of September 2026 and tracks 118,945 professional contacts across them, including 32,837 with verified work emails and 0 with mobile numbers. The United States is the largest market and Istanbul the largest hub.

This list covers insulation product 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 17, 2026. Country and city lists for insulation product 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 17, 2026 86% judged on-target in blind review

7,255Companies

118,945Contacts tracked

32,837Verified emails

0Mobile numbers

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The 25 largest insulation product manufacturers worldwide

Ranked by team size

Top 25 of 7,255 insulation product manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to insulation product 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	USG	Strong evidence	Chicago, IL, United StatesHQ checked Sep 17, 2026	5,001-10,000	4,323 contacts →
	Strong evidence “USG Corporation is an industry-leading manufacturer of building products and innovative solutions highlighted by Sheetrock®, Durock®, and Securock® Brands.” Source: RevenueBase Database · checked Sep 17, 2026
2	KNAUF	Indirect evidence	Iphofen, GermanyHQ checked Sep 17, 2026	10001+	4,158 contacts →
	Indirect evidence “Everyone sees opportunity differently.” Source: RevenueBase Database · checked Sep 17, 2026
3	James Hardie	Partial evidence	Chicago, IL, United StatesHQ checked Sep 17, 2026	5,001-10,000	4,146 contacts →
	Partial evidence “James Hardie Industries is the world’s #1 producer and marketer of high-performance fiber cement and fiber gypsum building solutions.” Source: RevenueBase Database · checked Sep 17, 2026
4	Johns Manville	Strong evidence	Denver, CO, United StatesHQ checked Sep 17, 2026	5,001-10,000	2,811 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 17, 2026
5	Rockwool Group	Indirect evidence	Hedehusene, DenmarkHQ checked Sep 17, 2026	10001+	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 17, 2026
6	Carpenter CO	Indirect evidence	Richmond, VA, United StatesHQ checked Sep 17, 2026	5,001-10,000	1,936 contacts →
	Indirect evidence “Founded in 1950, Carpenter Co.” Source: RevenueBase Database · checked Sep 17, 2026
7	Foundation Building Materials	Indirect evidence	Santa Ana, CA, United StatesHQ checked Sep 17, 2026	5,001-10,000	1,623 contacts →
	Indirect evidence “Foundation Building Materials (FBM) is North America's leading specialty building materials distributor, operating 370+ locations across the US and Canada.” Source: RevenueBase Database · checked Sep 17, 2026
8	IKO North America	Partial evidence	Brampton, ON, CanadaHQ checked Sep 17, 2026	1,001-5,000	1,317 contacts →
	Partial evidence “IKO Roofing is a worldwide leader in the roofing, waterproofing, and insulation industry for residential and commercial markets.” Source: RevenueBase Database · checked Sep 17, 2026
9	SIG PLC	Strong evidence	Sheffield, United KingdomHQ checked Sep 17, 2026	5,001-10,000	1,059 contacts →
	Strong evidence “SIG is a leading pan-European provider of specialist construction and insulation products.” Source: RevenueBase Database · checked Sep 17, 2026
10	Kingspan Insulation	Strong evidence	Leominster, United StatesHQ checked Sep 17, 2026	1,001-5,000	955 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 17, 2026
11	Fletcher Building	Indirect evidence	Auckland, New ZealandHQ checked Sep 17, 2026	10001+	952 contacts →
	Indirect evidence “Fletcher Building has proudly called New Zealand home since 1909, and today, we employ over 12,500+ people across New Zealand, Australia, and the South Pacific.” Source: RevenueBase Database · checked Sep 17, 2026
12	Lloyd Insulations India Limited	Partial evidence	New Delhi, IndiaHQ checked Sep 17, 2026	1,001-5,000	868 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 17, 2026
13	Recticel	Partial evidence	Brussels, BelgiumHQ checked Sep 17, 2026	1,001-5,000	707 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 17, 2026
14	Topbuild	Indirect evidence	Daytona Beach, FL, United StatesHQ checked Sep 17, 2026	n/a	692 contacts →
	Indirect evidence “TopBuild is now QXO.” Source: RevenueBase Database · checked Sep 17, 2026
15	Kaefer France	Indirect evidence	Courbevoie, FranceHQ checked Sep 17, 2026	1,001-5,000	671 contacts →
	Indirect 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 17, 2026
16	Hira Industries LLC	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 17, 2026	1,001-5,000	612 contacts →
	Indirect evidence “Hira Industries \| Serving the Building & Construction Industry Since 1980.” Source: RevenueBase Database · checked Sep 17, 2026
17	Ursa By Etex	Strong evidence	Madrid, SpainHQ checked Sep 17, 2026	1,001-5,000	605 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 17, 2026
18	Selena Group	Partial evidence	Wroclaw, PolandHQ checked Sep 17, 2026	1,001-5,000	590 contacts →
	Partial evidence “Selena Group is a global producer and distributor of construction chemicals and one of the four largest producers of polyurethane foam for construction industry in the world.” Source: RevenueBase Database · checked Sep 17, 2026
19	SPI	Strong evidence	Charlotte, NC, United StatesHQ checked Sep 17, 2026	1,001-5,000	571 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 17, 2026
20	Fanosa	Partial evidence	Hermosillo, MexicoHQ checked Sep 17, 2026	1,001-5,000	571 contacts →
	Partial evidence “Somos la empresa líder en la fabricación de productos de Poliestireno Expandido (EPS).” Source: RevenueBase Database · checked Sep 17, 2026
21	PAROC	Indirect evidence	Helsinki, FinlandHQ checked Sep 17, 2026	1,001-5,000	501 contacts →
	Indirect evidence “When you work with us you are making the world a better place.” Source: RevenueBase Database · checked Sep 17, 2026
22	Distribution International	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	1,001-5,000	488 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 17, 2026
23	Service Partners	Indirect evidence	Daytona Beach, FL, United StatesHQ checked Sep 17, 2026	501-1,000	459 contacts →
	Indirect evidence “Service Partners is a nationwide distributor of building supplies used in the construction industry.” Source: RevenueBase Database · checked Sep 17, 2026
24	VON Roll	Indirect evidence	Wesel, GermanyHQ checked Sep 17, 2026	1,001-5,000	434 contacts →
	Indirect evidence “Please note that this account is no longer being actively managed.” Source: RevenueBase Database · checked Sep 17, 2026
25	Logstor District Heating Solutions	Partial evidence	DenmarkHQ checked Sep 17, 2026	1,001-5,000	425 contacts →
	Partial 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 17, 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: insulation product 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 insulation product manufacturers.
Partial evidence: Its own public description names part of insulation product manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name insulation product 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 7,255 insulation product manufacturers worldwide

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Insulation product manufacturers worldwide at a glance

As of Sep 17, 2026

27.6%Verified-email coverage

16.4Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Istanbul

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

2,743

11-50

2,690

51-200

1,108

201-500

368

501-1,000

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 insulation product 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: 33 countries, largest first: the United States, France, the United Kingdom, India, Italy, Türkiye, Canada, Germany, the Netherlands, Spain and 23 more. Country and city lists for insulation product manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “insulation product 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 insulation product 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 insulation product 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, 32,837 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 17, 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.

Insulation product manufacturers by location

34 lists · largest first

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

Countries

Cities

Insulation product manufacturers based in Mumbai, India40

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 insulation product 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 insulation product manufacturers are there worldwide?

RevenueBase identified 7,255 insulation product 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?

USG, headquartered in Chicago, tops this list with the largest team on record.

Which country has the most insulation product manufacturers?

The United States leads with 1,627 companies, followed by France (568) and the United Kingdom (544). Every insulation product manufacturers list by country and city is linked on this page.

Which city has the most insulation product manufacturers?

Istanbul leads with 86 headquartered companies, followed by Houston (42) and Mumbai (40).

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 32,837 verified decision-maker contacts tracked across these 7,255 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 17, 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.