Company lists · Data refreshed September 2026
Top 25 Thermal insulation companies based in Germany
RevenueBase identified 334 thermal insulation companies headquartered in Germany as of September 2026 and tracks 10,699 professional contacts across them, including 3,438 with verified work emails. Berlin is the largest hub.
This list covers thermal insulation companies headquartered in Germany, 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.
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 thermal insulation companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,158 contacts → | ||||
Indirect evidence “Everyone sees opportunity differently.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,624 contacts → | ||||
Indirect evidence “For over a century, KAEFER has been helping clients to protect and extend the life of their most valuable assets, while ensuring operational efficiency and the smooth delivery of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,129 contacts → | ||||
Partial 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 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 302 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 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 216 contacts → | ||||
Indirect evidence “Impressum weiter unten - Die Schöck Bauteile GmbH ist ein Unternehmen der weltweit tätigen Schöck Gruppe.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 157 contacts → | ||||
Strong evidence “We are a world-leading manufacturer of high-temperature insulation tmax is the specialist in the design and manufacture of thermal and acoustic insulation systems for all…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 137 contacts → | ||||
Partial evidence “va-Q-tec is a pioneer in sophisticated solutions for thermal energy efficiency, as well as temperature-controlled supply chains.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 118 contacts → | ||||
Indirect evidence “Die DEUTSCHE ROCKWOOL bietet Dämmlösungen aus nichtbrennbarer Steinwolle für die Dämmung von Gebäudehülle, Innenausbau und Gebäudetechnik an.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 113 contacts → | ||||
Indirect evidence “Als einer der führenden Produzenten und Dienstleister im Bausektor und der Dämmstofftechnik, ist die Unternehmensgruppe BACHL an über 30 Standorten im In- und Ausland tätig.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 103 contacts → | ||||
Indirect evidence “ISOVER.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 89 contacts → | ||||
Indirect evidence “Die 95-jährige Erfahrung und branchenübergreifende Innovationsleistung der KRAMER GmbH manifestieren sich in den vier Sparten Dämmtechnik, Kühlraumbau, Ladenbau und Modulbau.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 68 contacts → | ||||
Partial evidence “GUTEX is one of Europe’s pioneers in ecological insulation solutions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 54 contacts → | ||||
Partial evidence “ARNOLD Group is your competent partner for innovative insulation systems and mechanical service solutions for industrial production facilities.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 50 contacts → | ||||
Indirect evidence “Always finding the best solution for the customer is the goal that drives innovative ideas and continuous improvement at Kaimann.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 47 contacts → | ||||
Indirect evidence “Mit zukunftsweisenden Ideen und kreativer Innovationskraft ist Kingspan weltweit führender Anbieter von isolierenden Dach- und Wandelementen.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 44 contacts → | ||||
Indirect evidence “HECK Wall Systems, mit Sitz in Marktredwitz, zählt mit den zwei starken Marken Rajasil und HECK zu den führenden Herstellern von Spezialbaustoffen für Bausanierung und…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 37 contacts → | ||||
Indirect evidence “Die e-r-s group ist Ihr kompetenter Partner für hochwertige Wärmedämm- und Feuerfestlösungen in der Industrie.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 36 contacts → | ||||
Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 36 contacts → | ||||
Indirect evidence “puren, based in Überlingen on Lake Constance, is in business for over 50 years, making the medium-sized, internationally active group of companies with over 300 employees and its…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 32 contacts → | ||||
Indirect evidence “Seit mehr als 75 Jahren steht Dr.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 28 contacts → | ||||
Indirect evidence “Die Bohle-Gruppe bietet ein umfassendes Leistungsspektrum Die Bohle-Gruppe hat sich in ihrer 100-jährigen Firmengeschichte immer weiter zum modernen Dienstleister entwickelt.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 contacts → | ||||
Indirect evidence “Wenn Standard nicht reicht.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 17 contacts → | ||||
Indirect evidence “naturheld ist ein Hersteller für umweltfreundliche Dämmsysteme aus Bayern.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 17 contacts → | ||||
Partial evidence “KUVAG - Leading in Insulation Technology” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 16 contacts → | ||||
Indirect evidence “ND Coatings GmbH is a company based out of Papenburg, Germany.” Source: RevenueBase Database · checked Sep 22, 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: thermal insulation companies. 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 thermal insulation companies.
- Partial evidence
- Its own public description names part of thermal insulation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name thermal insulation companies. 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 334 thermal insulation companies based in Germany
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Thermal insulation companies based in Germany at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 334 companies.
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 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.
- What qualifies
- Companies headquartered in Germany whose own description of what they do matches “thermal insulation 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 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 companies, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
- 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, 3,438 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.
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 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 companies are there based in Germany?
RevenueBase identified 334 thermal insulation companies headquartered in Germany 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 city has the most thermal insulation companies?
Berlin leads with 10 headquartered companies, followed by Hamburg (10) and Bremen (7).
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 3,438 verified decision-maker contacts tracked across these 334 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.
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