Company lists · Data refreshed September 2026
Top 25 Insulation and air sealing companies based in Belgium
RevenueBase identified 160 company matches for insulation and air sealing companies associated with Belgium as of September 2026 and tracks 1,662 professional contacts across them, including 275 with verified work emails. Hasselt is the largest hub.
This list covers company matches for insulation and air sealing companies associated with Belgium, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 insulation and air sealing companies based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 707 contacts → | ||||
Exact match “Recticel Group is a leading insulation company with headquarters in Belgium and operations in eight countries across Europa and the US.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 22 contacts → | ||||
Exact match “Version FR ) ISOPROC produceert en verdeelt producten en totaaloplossingen voor de bouwschil van residentiële, appartements- en tertiaire gebouwen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 19 contacts → | ||||
Exact match “Founded in 1985, the Vincent Piront Company specialises in synthetic waterproofing.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 17 contacts → | ||||
Exact match “ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 17 contacts → | ||||
Exact match “nergie zonder zorgen Ga je bouwen?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 16 contacts → | ||||
Exact match “Isolation par projection ou injection de mousse PUR.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “Castelein Sealants is op korte termijn zeer sterk gegroeid als producent voor afdichtingen op maat.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “Isolteam, met vestigingen in Kortemark, Hoboken en Denderleeuw, beschikt over een dynamische ploeg van meer dan 75 bedreven experten, zowel op vlak van studie als van uitvoering.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “Beter renoveren of BENOveren doe je samen met BENOTEC.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “Isofoam is de specialist in gespoten PUR-isolatie, zowel voor privéwoningen als voor bedrijfs- en openbare gebouwen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “Protect what matters most.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “Cleys bv is jouw specialist in energetische renovaties.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Insulation and building plastics - Isorex BVBA is een groot- en detailhandel in isolatiemateriaal en PVC- producten.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “BOWERS® creëert doordachte woon- en werkplekken door goed te isoleren, optimaal te ventileren, energiezuinig te verwarmen en alles ‘smart’ op elkaar af te stemmen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “Expitisol is de specialist in industriële isolatie.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Isolair is de gecertificeerde specialist in na-isolatie van spouwmuren, zowel voor renovatie- als voor nieuwbouwprojecten.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “GT-FOAM is gespecialiseerd in het aanbieding van in-situ isolatietoepassingen voor zowel nieuwbouw als renovatieprojecten.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “NELTANE is a construction company specialised in HVAC and Natural insulation based in Charleroi, Belgium.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Isolblow is een moderne en familiale KMO, gespecialiseerd in ecologische isolatietechnieken.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Als groothandel met een eigen plaatsingsdienst, bieden we een waaier aan kwalitatieve producten en diensten onder één dak.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “Isoworx, is een toonaangevend bedrijf gespecialiseerd in industriële HVAC-isolatie.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Basée sur une expérience en rénovation de toiture et charpente depuis près de 30 ans, c’est en 2006 que l’entreprise a diversifié ses activités par l’isolation haute performance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Entreprise spécialisée dans l'isolation et le parachèvement” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “insulation and air sealing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 160 insulation and air sealing companies based in Belgium
See the full list, filter by size, metro and specialty, and access 275 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Insulation and air sealing companies based in Belgium at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 160 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Belgium whose business descriptions match “insulation and air sealing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 275 professional contacts with verified work emails across the full matched dataset. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “insulation and air sealing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many insulation and air sealing companies are there based in Belgium?
RevenueBase identified 160 company matches for insulation and air sealing companies associated with Belgium as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Recticel tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most insulation and air sealing companies?
Hasselt leads with 5 company records, followed by Brussels (5) and Bilzen (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 275 professional contacts with verified work emails tracked across these 160 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 160 insulation and air sealing companies based in Belgium. Start with a free account, no credit card.
Download this list →Related lists
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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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insulation and air sealing companies based in Australia
- Insulation and air sealing companies based in Austria
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- Insulation and air sealing companies based in Canada
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Company intelligence · public preview
Top 25 insulation and air sealing companies based in Belgium
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 160 matching company records for insulation and air sealing companies based in Belgium, with 1,662 tracked contacts and 275 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 insulation and air sealing companies based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Recticelrecticel.com HQ: Brussels, BelgiumReported employees: 1,001-5,000 | Brussels, Belgium | 1,001-5,000 | Exact match | 707 contacts → |
“Recticel Group is a leading insulation company with headquarters in Belgium and operations in eight countries across Europa and the US.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Isoprocisoproc.be HQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 22 contacts → |
“Version FR ) ISOPROC produceert en verdeelt producten en totaaloplossingen voor de bouwschil van residentiële, appartements- en tertiaire gebouwen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SA Vincent Pirontvincentpiront.com HQ: Thimister, BelgiumReported employees: 11-50 | Thimister, Belgium | 11-50 | Exact match | 19 contacts → |
“Founded in 1985, the Vincent Piront Company specialises in synthetic waterproofing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Isolutionisolution.be HQ: Namur, BelgiumReported employees: 11-50 | Namur, Belgium | 11-50 | Exact match | 17 contacts → |
“ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Alfasunalfasun.beHQ: Ninove, BelgiumReported employees: 11-50 | Ninove, Belgium | 11-50 | Exact match | 17 contacts → |
“nergie zonder zorgen Ga je bouwen?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Isotrieisotrie.com HQ: Ghent, BelgiumReported employees: 51-200 | Ghent, Belgium | 51-200 | Exact match | 16 contacts → |
“Isolation par projection ou injection de mousse PUR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Castelein Sealantscasteleinsealants.euHQ: Kapellen, BelgiumReported employees: 11-50 | Kapellen, Belgium | 11-50 | Exact match | 14 contacts → |
“Castelein Sealants is op korte termijn zeer sterk gegroeid als producent voor afdichtingen op maat.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Isolteamisolteam.be HQ: Kortemark, BelgiumReported employees: 51-200 | Kortemark, Belgium | 51-200 | Exact match | 13 contacts → |
“Isolteam, met vestigingen in Kortemark, Hoboken en Denderleeuw, beschikt over een dynamische ploeg van meer dan 75 bedreven experten, zowel op vlak van studie als van uitvoering.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Benotecbenotec.be HQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 11 contacts → |
“Beter renoveren of BENOveren doe je samen met BENOTEC.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Bouw & Energie Advies By Studibobouw-energieadvies.beHQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 10 contacts → |
“Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Isofoamisofoam.be HQ: Turnhout, BelgiumReported employees: 11-50 | Turnhout, Belgium | 11-50 | Exact match | 10 contacts → |
“Isofoam is de specialist in gespoten PUR-isolatie, zowel voor privéwoningen als voor bedrijfs- en openbare gebouwen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Owens Corning Foamglas Europefoamglas.com HQ: Tessenderlo, BelgiumReported employees: 201-500 | Tessenderlo, Belgium | 201-500 | Exact match | 10 contacts → |
“Protect what matters most.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CLEYScleys.be HQ: Waasmunster, BelgiumReported employees: 11-50 | Waasmunster, Belgium | 11-50 | Exact match | 9 contacts → |
“Cleys bv is jouw specialist in energetische renovaties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Isorexisorex.com HQ: Gavere, BelgiumReported employees: 11-50 | Gavere, Belgium | 11-50 | Exact match | 9 contacts → |
“Insulation and building plastics - Isorex BVBA is een groot- en detailhandel in isolatiemateriaal en PVC- producten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bowersbowers.be HQ: Gistel, BelgiumReported employees: 11-50 | Gistel, Belgium | 11-50 | Exact match | 8 contacts → |
“BOWERS® creëert doordachte woon- en werkplekken door goed te isoleren, optimaal te ventileren, energiezuinig te verwarmen en alles ‘smart’ op elkaar af te stemmen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Expitisolexpitisol.be HQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 8 contacts → |
“Expitisol is de specialist in industriële isolatie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Isolairisolair.be HQ: Hasselt, BelgiumReported employees: 11-50 | Hasselt, Belgium | 11-50 | Exact match | 7 contacts → |
“Isolair is de gecertificeerde specialist in na-isolatie van spouwmuren, zowel voor renovatie- als voor nieuwbouwprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Gt-Foamgt-foam.be HQ: Ravels, BelgiumReported employees: 11-50 | Ravels, Belgium | 11-50 | Exact match | 6 contacts → |
“GT-FOAM is gespecialiseerd in het aanbieding van in-situ isolatietoepassingen voor zowel nieuwbouw als renovatieprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Neltaneneltane.be HQ: Charleroi, BelgiumReported employees: 1-10 | Charleroi, Belgium | 1-10 | Exact match | 6 contacts → |
“NELTANE is a construction company specialised in HVAC and Natural insulation based in Charleroi, Belgium.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Isoleazisoleaz.be HQ: Kraainem, BelgiumReported employees: 1-10 | Kraainem, Belgium | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Isolblowisolblow.be HQ: Aalter, BelgiumReported employees: 1-10 | Aalter, Belgium | 1-10 | Exact match | 5 contacts → |
“Isolblow is een moderne en familiale KMO, gespecialiseerd in ecologische isolatietechnieken.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Styxx The Sealing Expertsstyxx.beHQ: Meulebeke, BelgiumReported employees: 1-10 | Meulebeke, Belgium | 1-10 | Exact match | 5 contacts → |
“Als groothandel met een eigen plaatsingsdienst, bieden we een waaier aan kwalitatieve producten en diensten onder één dak.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Isoworx Hvac-Isolatieisoworxbvba.be HQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 5 contacts → |
“Isoworx, is een toonaangevend bedrijf gespecialiseerd in industriële HVAC-isolatie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Delhez Systèmes SAdelhezsystemes.be HQ: Thimister-clermont, BelgiumReported employees: 11-50 | Thimister-clermont, Belgium | 11-50 | Exact match | 4 contacts → |
“Basée sur une expérience en rénovation de toiture et charpente depuis près de 30 ans, c’est en 2006 que l’entreprise a diversifié ses activités par l’isolation haute performance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DMF Isolationdmf-isolation.com HQ: Soignies, BelgiumReported employees: 1-10 | Soignies, Belgium | 1-10 | Exact match | 4 contacts → |
“Entreprise spécialisée dans l'isolation et le parachèvement” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 160 company matches
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Insulation and air sealing companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
159 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 160 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for insulation and air sealing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many insulation and air sealing companies did RevenueBase find based in Belgium?
The saved snapshot records 160 matching company records, 1,662 tracked contacts and 275 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Insulation and air sealing companies by geography
- Insulation and air sealing companies based in Australia
- Insulation and air sealing companies based in Austria
- Insulation and air sealing companies based in Brazil
- Insulation and air sealing companies based in Canada
- Insulation and air sealing companies based in Denmark
- Insulation and air sealing companies based in France
- Insulation and air sealing companies based in Germany
- Insulation and air sealing companies based in India
- Insulation and air sealing companies based in Ireland
- Insulation and air sealing companies based in Italy
- Insulation and air sealing companies based in the Netherlands
- Insulation and air sealing companies based in New Zealand
Cite this list
RevenueBase Data Team. Top 25 insulation and air sealing companies based in Belgium. Snapshot: September 20, 2026. https://revenuebase.ai/companies/insulation-and-air-sealing-companies/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Insulation and air sealing companies based in Australia
- Insulation and air sealing companies based in Austria
- Insulation and air sealing companies based in Brazil
- Insulation and air sealing companies based in Canada
- Insulation and air sealing companies based in Denmark
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Company intelligence · public preview
Top 25 insulation and air sealing companies based in Belgium
RevenueBase records 160 matching company records for insulation and air sealing companies based in Belgium, with 1,662 tracked contacts and 275 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 insulation and air sealing companies based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Recticelrecticel.com HQ: Brussels, BelgiumReported employees: 1,001-5,000 | Brussels, Belgium | 1,001-5,000 | Exact match | 707 contacts → |
“Recticel Group is a leading insulation company with headquarters in Belgium and operations in eight countries across Europa and the US.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Isoprocisoproc.be HQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 22 contacts → |
“Version FR ) ISOPROC produceert en verdeelt producten en totaaloplossingen voor de bouwschil van residentiële, appartements- en tertiaire gebouwen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SA Vincent Pirontvincentpiront.com HQ: Thimister, BelgiumReported employees: 11-50 | Thimister, Belgium | 11-50 | Exact match | 19 contacts → |
“Founded in 1985, the Vincent Piront Company specialises in synthetic waterproofing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Isolutionisolution.be HQ: Namur, BelgiumReported employees: 11-50 | Namur, Belgium | 11-50 | Exact match | 17 contacts → |
“ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Alfasunalfasun.be HQ: Ninove, BelgiumReported employees: 11-50 | Ninove, Belgium | 11-50 | Exact match | 17 contacts → |
“nergie zonder zorgen Ga je bouwen?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Isotrieisotrie.com HQ: Ghent, BelgiumReported employees: 51-200 | Ghent, Belgium | 51-200 | Exact match | 16 contacts → |
“Isolation par projection ou injection de mousse PUR.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Castelein Sealantscasteleinsealants.eu HQ: Kapellen, BelgiumReported employees: 11-50 | Kapellen, Belgium | 11-50 | Exact match | 14 contacts → |
“Castelein Sealants is op korte termijn zeer sterk gegroeid als producent voor afdichtingen op maat.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Isolteamisolteam.be HQ: Kortemark, BelgiumReported employees: 51-200 | Kortemark, Belgium | 51-200 | Exact match | 13 contacts → |
“Isolteam, met vestigingen in Kortemark, Hoboken en Denderleeuw, beschikt over een dynamische ploeg van meer dan 75 bedreven experten, zowel op vlak van studie als van uitvoering.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Benotecbenotec.be HQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 11 contacts → |
“Beter renoveren of BENOveren doe je samen met BENOTEC.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bouw & Energie Advies By Studibobouw-energieadvies.be HQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 10 contacts → |
“Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Isofoamisofoam.be HQ: Turnhout, BelgiumReported employees: 11-50 | Turnhout, Belgium | 11-50 | Exact match | 10 contacts → |
“Isofoam is de specialist in gespoten PUR-isolatie, zowel voor privéwoningen als voor bedrijfs- en openbare gebouwen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Owens Corning Foamglas Europefoamglas.com HQ: Tessenderlo, BelgiumReported employees: 201-500 | Tessenderlo, Belgium | 201-500 | Exact match | 10 contacts → |
“Protect what matters most.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CLEYScleys.be HQ: Waasmunster, BelgiumReported employees: 11-50 | Waasmunster, Belgium | 11-50 | Exact match | 9 contacts → |
“Cleys bv is jouw specialist in energetische renovaties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Isorexisorex.com HQ: Gavere, BelgiumReported employees: 11-50 | Gavere, Belgium | 11-50 | Exact match | 9 contacts → |
“Insulation and building plastics - Isorex BVBA is een groot- en detailhandel in isolatiemateriaal en PVC- producten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bowersbowers.be HQ: Gistel, BelgiumReported employees: 11-50 | Gistel, Belgium | 11-50 | Exact match | 8 contacts → |
“BOWERS® creëert doordachte woon- en werkplekken door goed te isoleren, optimaal te ventileren, energiezuinig te verwarmen en alles ‘smart’ op elkaar af te stemmen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Expitisolexpitisol.be HQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 8 contacts → |
“Expitisol is de specialist in industriële isolatie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Isolairisolair.be HQ: Hasselt, BelgiumReported employees: 11-50 | Hasselt, Belgium | 11-50 | Exact match | 7 contacts → |
“Isolair is de gecertificeerde specialist in na-isolatie van spouwmuren, zowel voor renovatie- als voor nieuwbouwprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Gt-Foamgt-foam.be HQ: Ravels, BelgiumReported employees: 11-50 | Ravels, Belgium | 11-50 | Exact match | 6 contacts → |
“GT-FOAM is gespecialiseerd in het aanbieding van in-situ isolatietoepassingen voor zowel nieuwbouw als renovatieprojecten.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Neltaneneltane.be HQ: Charleroi, BelgiumReported employees: 1-10 | Charleroi, Belgium | 1-10 | Exact match | 6 contacts → |
“NELTANE is a construction company specialised in HVAC and Natural insulation based in Charleroi, Belgium.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Isoleazisoleaz.be HQ: Kraainem, BelgiumReported employees: 1-10 | Kraainem, Belgium | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Isolblowisolblow.be HQ: Aalter, BelgiumReported employees: 1-10 | Aalter, Belgium | 1-10 | Exact match | 5 contacts → |
“Isolblow is een moderne en familiale KMO, gespecialiseerd in ecologische isolatietechnieken.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Styxx The Sealing Expertsstyxx.be HQ: Meulebeke, BelgiumReported employees: 1-10 | Meulebeke, Belgium | 1-10 | Exact match | 5 contacts → |
“Als groothandel met een eigen plaatsingsdienst, bieden we een waaier aan kwalitatieve producten en diensten onder één dak.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Isoworx Hvac-Isolatieisoworxbvba.be HQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 5 contacts → |
“Isoworx, is een toonaangevend bedrijf gespecialiseerd in industriële HVAC-isolatie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Delhez Systèmes SAdelhezsystemes.be HQ: Thimister-clermont, BelgiumReported employees: 11-50 | Thimister-clermont, Belgium | 11-50 | Exact match | 4 contacts → |
“Basée sur une expérience en rénovation de toiture et charpente depuis près de 30 ans, c’est en 2006 que l’entreprise a diversifié ses activités par l’isolation haute performance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DMF Isolationdmf-isolation.com HQ: Soignies, BelgiumReported employees: 1-10 | Soignies, Belgium | 1-10 | Exact match | 4 contacts → |
“Entreprise spécialisée dans l'isolation et le parachèvement” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 160 company matches
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Insulation and air sealing companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
159 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 160 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for insulation and air sealing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many insulation and air sealing companies did RevenueBase find based in Belgium?
The saved snapshot records 160 matching company records, 1,662 tracked contacts and 275 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 insulation and air sealing companies based in Belgium. Snapshot: September 20, 2026. https://revenuebase.ai/companies/insulation-and-air-sealing-companies/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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