Company lists · Data refreshed October 2026
Top 25 Firestop sealants suppliers worldwide
RevenueBase identified 427 company matches for firestop sealants suppliers worldwide as of October 2026 and tracks 3,160 professional contacts across them, including 1,128 with verified work emails. The United Kingdom is the largest market and London the largest hub.
This list covers company matches for firestop sealants suppliers worldwide, 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 October 25, 2026. Country and city lists for firestop sealants suppliers follow the table.
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 firestop sealants suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 194 contacts → | ||||
Exact match “For over 30 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 2 | 141 contacts → | ||||
Exact match “Isolatek, originally established in 1875 as a manufacturer of mineral wool, is today a global leader in the development, manufacture, and distribution of proprietary Passive Fire…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 97 contacts → | ||||
Exact match “Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 78 contacts → | ||||
Exact match “SAFE IS SIMPLY SAFE DOYMA is a leading manufacturer of sealing and fire protection systems based in Oyten.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “Saving lives and preserving property.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 66 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 64 contacts → | ||||
Exact match “FSIME is 3M Master Contractor with FM 4991 certification, operating in Middle East.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 59 contacts → | ||||
Exact match “Silicone Specialties Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 54 contacts → | ||||
Exact match “FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 39 contacts → | ||||
Exact match “National Firestopping Solutions (NFS) is the industry's premier Factory Mutual (FM) 4991 & Underwriters Laboratory (UL) approved full-service firestopping contractor.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 34 contacts → | ||||
Exact match “Integrated in the TESTA Group - holding that owns various companies with a strong technological component and services, TRIA is a Portuguese company dedicated to the development…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 32 contacts → | ||||
Exact match “Vi erbjuder kunskap, tjänster och produkter inom: Brandtätning, brandisolering, brandskyddsmålning, brandskyddsutbildning, SBA, samt brandskydd och brandsläckare för den…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 32 contacts → | ||||
Exact match “Established in 1988, NUCO Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “Leading the Specification and Installation of Passive Fire Protection Systems Across the UK.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 31 contacts → | ||||
Exact match “Established in 1988, Fireseal is one of Ireland’s leading contractors and suppliers of passive fire protection solutions.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 29 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 28 contacts → | ||||
Exact match “Providing cost effective Fire Stopping Solutions to large and small scale contractors/end users across the UK.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 28 contacts → | ||||
Exact match “When fire strikes, get time on your side.” Vijay Systems Engineers Pvt.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 19 | 27 contacts → | ||||
Exact match “Norseal is a specialist wholesale distributor of intumescent fire and smoke seals.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 20 | 26 contacts → | ||||
Exact match “Welcome to West Coast Firestopping, Inc!” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 25 contacts → | ||||
Exact match “Passire is a unique company offering a comprehensive range of passive fire protection solutions and services.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 23 contacts → | ||||
Exact match “Commercial Specialty Sub Contractor Since 1975 Carciofini is a leader in the industry of Joint Sealants, Firestopping, Coatings, Expansion Joint Systems, and Restoration.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “Het belang van brandscheidingen en brandcompartimenteringen wordt in veel gevallen onderschat.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “Gleeson Powers is a specialty commercial contractor, offering firestopping and other passive fire protection solutions as well as air & vapor barrier, waterproofing, caulking and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 21 contacts → | ||||
Exact match “Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Recorded in the RevenueBase company graph · Oct 25, 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 “firestop sealants suppliers”. 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 427 firestop sealants suppliers worldwide
See the full list, filter by size, metro and specialty, and access 1,128 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Firestop sealants suppliers worldwide at a glance
As of Oct 25, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for firestop sealants suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “firestop sealants suppliers” 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. 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 1,128 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 October 25, 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.
Firestop sealants suppliers by location
4 lists · largest firstEvery Firestop sealants suppliers 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 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 “firestop sealants suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many firestop sealants suppliers are there worldwide?
RevenueBase identified 427 company matches for firestop sealants suppliers worldwide as of October 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?
Specified Technologies Inc. STI Firestop tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most firestop sealants suppliers?
The United Kingdom leads with 100 companies, followed by the United States (83) and the Netherlands (38). Every firestop sealants suppliers list by country and city is linked on this page.
Which city has the most firestop sealants suppliers?
London leads with 13 company records, followed by Auckland (5) and Dubai (5).
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 1,128 professional contacts with verified work emails tracked across these 427 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 October 25, 2026.
Ready to reach these companies? Verified emails and direct dials for all 427 firestop sealants suppliers worldwide. Start with a free account, no credit card.
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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
Company intelligence · public preview
Top 25 firestop sealants suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 427 matching company records for firestop sealants suppliers worldwide, with 3,160 tracked contacts and 1,128 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: October 25, 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 firestop sealants suppliers worldwide
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 | Specified Technologies Inc. STI Firestopstifirestop.com HQ: Somerville, NJ, United StatesReported employees: 201-500 | Somerville, NJ, United States | 201-500 | Exact match | 194 contacts → |
“For over 30 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Isolatek Internationalisolatek.com HQ: Stanhope, NJ, United StatesReported employees: 51-200 | Stanhope, NJ, United States | 51-200 | Exact match | 141 contacts → |
“Isolatek, originally established in 1875 as a manufacturer of mineral wool, is today a global leader in the development, manufacture, and distribution of proprietary Passive Fire…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CLM Fireproofingclmfireproofing.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Doyma Gmbh & COdoyma.de HQ: Oyten, GermanyReported employees: 201-500 | Oyten, Germany | 201-500 | Exact match | 78 contacts → |
“SAFE IS SIMPLY SAFE DOYMA is a leading manufacturer of sealing and fire protection systems based in Oyten.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Lorientlorientuk.com HQ: Newton Abbot, United KingdomReported employees: 51-200 | Newton Abbot, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Saving lives and preserving property.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | FGH Insulation COfghinsulation.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 66 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Fsime Constructionfsime.com HQ: Business Bay, United Arab EmiratesReported employees: 201-500 | Business Bay, United Arab Emirates | 201-500 | Exact match | 64 contacts → |
“FSIME is 3M Master Contractor with FM 4991 certification, operating in Middle East.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Silicone Specialties, Inc. SSIssicm.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 59 contacts → |
“Silicone Specialties Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | FSI Promat By Etexpromat.com HQ: Measham, United KingdomReported employees: 51-200 | Measham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | National Firestopping Solutionsnefirestop.com HQ: Saco, ME, United StatesReported employees: 51-200 | Saco, ME, United States | 51-200 | Exact match | 39 contacts → |
“National Firestopping Solutions (NFS) is the industry's premier Factory Mutual (FM) 4991 & Underwriters Laboratory (UL) approved full-service firestopping contractor.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tria Portugaltria.pt HQ: Mortágua, PortugalReported employees: 51-200 | Mortágua, Portugal | 51-200 | Exact match | 34 contacts → |
“Integrated in the TESTA Group - holding that owns various companies with a strong technological component and services, TRIA is a Portuguese company dedicated to the development…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Vallentuna, SwedenReported employees: 51-200 | Vallentuna, Sweden | 51-200 | Exact match | 32 contacts → |
“Vi erbjuder kunskap, tjänster och produkter inom: Brandtätning, brandisolering, brandskyddsmålning, brandskyddsutbildning, SBA, samt brandskydd och brandsläckare för den…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Nuco INCnucoinc.comHQ: Guelph, ON, CanadaReported employees: 11-50 | Guelph, ON, Canada | 11-50 | Exact match | 32 contacts → |
“Established in 1988, NUCO Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ARK Fire Protection LTDark-fp.co.uk HQ: Peterborough, United KingdomReported employees: 11-50 | Peterborough, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Leading the Specification and Installation of Passive Fire Protection Systems Across the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Firesealfireseal.ieHQ: Dublin 12, IrelandReported employees: 51-200 | Dublin 12, Ireland | 51-200 | Exact match | 31 contacts → |
“Established in 1988, Fireseal is one of Ireland’s leading contractors and suppliers of passive fire protection solutions.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Northern Caulking INCnortherncaulking.com HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 29 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | TBL Fire Protection LTDtblfireprotection.com HQ: Meriden, United StatesReported employees: 11-50 | Meriden, United States | 11-50 | Exact match | 28 contacts → |
“Providing cost effective Fire Stopping Solutions to large and small scale contractors/end users across the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vijay Systems Engineersvijaysystems.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 28 contacts → |
“When fire strikes, get time on your side.” Vijay Systems Engineers Pvt.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Norseal LTDnorseal.co.uk HQ: Prudhoe, United KingdomReported employees: 11-50 | Prudhoe, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Norseal is a specialist wholesale distributor of intumescent fire and smoke seals.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | West Coast Firestopping, INCwestcoastfirestop.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 26 contacts → |
“Welcome to West Coast Firestopping, Inc!” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Passifire TMpassifire-sa.com HQ: Riyadh, Saudi ArabiaReported employees: 51-200 | Riyadh, Saudi Arabia | 51-200 | Exact match | 25 contacts → |
“Passire is a unique company offering a comprehensive range of passive fire protection solutions and services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Carciofini Companycarciofini.com HQ: Burnsville, MN, United StatesReported employees: 11-50 | Burnsville, MN, United States | 11-50 | Exact match | 23 contacts → |
“Commercial Specialty Sub Contractor Since 1975 Carciofini is a leader in the industry of Joint Sealants, Firestopping, Coatings, Expansion Joint Systems, and Restoration.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Bergh Brandscheidingenberghbrandveiligheid.nl HQ: Oud-gastel, NetherlandsReported employees: 11-50 | Oud-gastel, Netherlands | 11-50 | Exact match | 22 contacts → |
“Het belang van brandscheidingen en brandcompartimenteringen wordt in veel gevallen onderschat.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gleeson Powers INCgleesonpowers.com HQ: Southborough, MA, United StatesReported employees: 51-200 | Southborough, MA, United States | 51-200 | Exact match | 22 contacts → |
“Gleeson Powers is a specialty commercial contractor, offering firestopping and other passive fire protection solutions as well as air & vapor barrier, waterproofing, caulking and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Quelfirequelfire.co.uk HQ: Wardle, United KingdomReported employees: 11-50 | Wardle, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 427 company matches
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Firestop sealants suppliers: dataset insights
October 25, 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
424 records in the displayed employee bands.
3 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 427 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: October 25, 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 ↗
Firestop sealants suppliers by location
4 lists · largest firstEvery Firestop sealants suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for firestop sealants suppliers?
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 firestop sealants suppliers did RevenueBase find worldwide?
The saved snapshot records 427 matching company records, 3,160 tracked contacts and 1,128 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: October 25, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 firestop sealants suppliers worldwide. Snapshot: October 25, 2026. https://revenuebase.ai/companies/browse/firestop-sealants-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 firestop sealants suppliers worldwide
RevenueBase records 427 matching company records for firestop sealants suppliers worldwide, with 3,160 tracked contacts and 1,128 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: October 25, 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 firestop sealants suppliers worldwide
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 | Specified Technologies Inc. STI Firestopstifirestop.com HQ: Somerville, NJ, United StatesReported employees: 201-500 | Somerville, NJ, United States | 201-500 | Exact match | 194 contacts → |
“For over 30 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Isolatek Internationalisolatek.com HQ: Stanhope, NJ, United StatesReported employees: 51-200 | Stanhope, NJ, United States | 51-200 | Exact match | 141 contacts → |
“Isolatek, originally established in 1875 as a manufacturer of mineral wool, is today a global leader in the development, manufacture, and distribution of proprietary Passive Fire…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CLM Fireproofingclmfireproofing.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Founded 36 years ago, CLM Fireproofing are industry-leading experts in passive fire protection and fire stopping.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Doyma Gmbh & COdoyma.de HQ: Oyten, GermanyReported employees: 201-500 | Oyten, Germany | 201-500 | Exact match | 78 contacts → |
“SAFE IS SIMPLY SAFE DOYMA is a leading manufacturer of sealing and fire protection systems based in Oyten.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Lorientlorientuk.com HQ: Newton Abbot, United KingdomReported employees: 51-200 | Newton Abbot, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Saving lives and preserving property.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | FGH Insulation COfghinsulation.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 66 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Fsime Constructionfsime.com HQ: Business Bay, United Arab EmiratesReported employees: 201-500 | Business Bay, United Arab Emirates | 201-500 | Exact match | 64 contacts → |
“FSIME is 3M Master Contractor with FM 4991 certification, operating in Middle East.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Silicone Specialties, Inc. SSIssicm.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 59 contacts → |
“Silicone Specialties Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | FSI Promat By Etexpromat.com HQ: Measham, United KingdomReported employees: 51-200 | Measham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“FSi Promat develops and manufactures a wide range of tested and certified fire stopping and cavity barrier products and systems.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | National Firestopping Solutionsnefirestop.com HQ: Saco, ME, United StatesReported employees: 51-200 | Saco, ME, United States | 51-200 | Exact match | 39 contacts → |
“National Firestopping Solutions (NFS) is the industry's premier Factory Mutual (FM) 4991 & Underwriters Laboratory (UL) approved full-service firestopping contractor.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tria Portugaltria.pt HQ: Mortágua, PortugalReported employees: 51-200 | Mortágua, Portugal | 51-200 | Exact match | 34 contacts → |
“Integrated in the TESTA Group - holding that owns various companies with a strong technological component and services, TRIA is a Portuguese company dedicated to the development…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Vallentuna, SwedenReported employees: 51-200 | Vallentuna, Sweden | 51-200 | Exact match | 32 contacts → |
“Vi erbjuder kunskap, tjänster och produkter inom: Brandtätning, brandisolering, brandskyddsmålning, brandskyddsutbildning, SBA, samt brandskydd och brandsläckare för den…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Nuco INCnucoinc.com HQ: Guelph, ON, CanadaReported employees: 11-50 | Guelph, ON, Canada | 11-50 | Exact match | 32 contacts → |
“Established in 1988, NUCO Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ARK Fire Protection LTDark-fp.co.uk HQ: Peterborough, United KingdomReported employees: 11-50 | Peterborough, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Leading the Specification and Installation of Passive Fire Protection Systems Across the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Firesealfireseal.ie HQ: Dublin 12, IrelandReported employees: 51-200 | Dublin 12, Ireland | 51-200 | Exact match | 31 contacts → |
“Established in 1988, Fireseal is one of Ireland’s leading contractors and suppliers of passive fire protection solutions.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Northern Caulking INCnortherncaulking.com HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 29 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | TBL Fire Protection LTDtblfireprotection.com HQ: Meriden, United StatesReported employees: 11-50 | Meriden, United States | 11-50 | Exact match | 28 contacts → |
“Providing cost effective Fire Stopping Solutions to large and small scale contractors/end users across the UK.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vijay Systems Engineersvijaysystems.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 28 contacts → |
“When fire strikes, get time on your side.” Vijay Systems Engineers Pvt.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Norseal LTDnorseal.co.uk HQ: Prudhoe, United KingdomReported employees: 11-50 | Prudhoe, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Norseal is a specialist wholesale distributor of intumescent fire and smoke seals.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | West Coast Firestopping, INCwestcoastfirestop.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 26 contacts → |
“Welcome to West Coast Firestopping, Inc!” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Passifire TMpassifire-sa.com HQ: Riyadh, Saudi ArabiaReported employees: 51-200 | Riyadh, Saudi Arabia | 51-200 | Exact match | 25 contacts → |
“Passire is a unique company offering a comprehensive range of passive fire protection solutions and services.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Carciofini Companycarciofini.com HQ: Burnsville, MN, United StatesReported employees: 11-50 | Burnsville, MN, United States | 11-50 | Exact match | 23 contacts → |
“Commercial Specialty Sub Contractor Since 1975 Carciofini is a leader in the industry of Joint Sealants, Firestopping, Coatings, Expansion Joint Systems, and Restoration.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Bergh Brandscheidingenberghbrandveiligheid.nl HQ: Oud-gastel, NetherlandsReported employees: 11-50 | Oud-gastel, Netherlands | 11-50 | Exact match | 22 contacts → |
“Het belang van brandscheidingen en brandcompartimenteringen wordt in veel gevallen onderschat.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Gleeson Powers INCgleesonpowers.com HQ: Southborough, MA, United StatesReported employees: 51-200 | Southborough, MA, United States | 51-200 | Exact match | 22 contacts → |
“Gleeson Powers is a specialty commercial contractor, offering firestopping and other passive fire protection solutions as well as air & vapor barrier, waterproofing, caulking and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Quelfirequelfire.co.uk HQ: Wardle, United KingdomReported employees: 11-50 | Wardle, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Quelfire is a leading manufacturer and supplier of tested firestopping solutions for service penetrations in buildings.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 427 company matches
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Firestop sealants suppliers: dataset insights
October 25, 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
424 records in the displayed employee bands.
3 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 427 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: October 25, 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 ↗
Firestop sealants suppliers by location
4 lists · largest firstEvery Firestop sealants suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for firestop sealants suppliers?
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 firestop sealants suppliers did RevenueBase find worldwide?
The saved snapshot records 427 matching company records, 3,160 tracked contacts and 1,128 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: October 25, 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
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Cite this list
RevenueBase Data Team. Top 25 firestop sealants suppliers worldwide. Snapshot: October 25, 2026. https://revenuebase.ai/companies/browse/firestop-sealants-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗