Company lists · Data refreshed October 2026

Top 25 Passive firestop system suppliers worldwide

RevenueBase identified 835 company matches for passive firestop system suppliers worldwide as of October 2026 and tracks 7,081 professional contacts across them, including 2,190 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for passive firestop system 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 28, 2026. Country and city lists for passive firestop system 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 28, 2026 How this list was built
835Companies
7,081Contacts tracked
2,190Verified emails
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The 25 largest passive firestop system suppliers worldwide

Ranked by team size
Top 25 of 835 company matches for passive firestop system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchElland, United KingdomHQ recorded Oct 28, 202651-200197 contacts →

Exact match

“Established in 1989, Checkmate Fire is the UK’s leading Passive Fire Protection specialist, supplying a comprehensive range of third-party accredited survey, installation and…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchSomerville, NJ, United StatesHQ recorded Oct 28, 2026201-500194 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 28, 2026 · View company records in RevenueBase
3Exact matchStanhope, NJ, United StatesHQ recorded Oct 28, 202651-200141 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 28, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Oct 28, 2026201-500140 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchGoslar, GermanyHQ recorded Oct 28, 2026501-1,00098 contacts →

Exact match

“Die STÖBICH Brandschutz GmbH entwickelt, fertigt und installiert weltweit Individual- sowie Serienlösungen im Bereich des baulichen Brandschutzes und zählt zu den innovativsten…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 28, 202651-20097 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 28, 2026 · View company records in RevenueBase
7Exact matchIrlam, United KingdomHQ recorded Oct 28, 2026201-50091 contacts →

Exact match

“With a history spanning more than a century, Tenmat stands as one of the UK’s longest‑established leaders in passive fire protection.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchOyten, GermanyHQ recorded Oct 28, 2026201-50078 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 28, 2026 · View company records in RevenueBase
9Exact matchSouth Granville, CanadaHQ recorded Oct 28, 202651-20067 contacts →

Exact match

“Trafalgar Group is a proudly Australian business specialising in passive fire protection and building access solutions for the construction industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchLeeds, United KingdomHQ recorded Oct 28, 202651-20066 contacts →

Exact match

“NEO property Solutions Ltd is a specialist passive fire protection installer, including Fire Compartmentation Surveys and works, Fire Door Surveys and works and Fire Stopping…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 28, 202651-20066 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchBusiness Bay, United Arab EmiratesHQ recorded Oct 28, 2026201-50064 contacts →

Exact match

“FSIME is 3M Master Contractor with FM 4991 certification, operating in Middle East.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchMelton Mowbray, United KingdomHQ recorded Oct 28, 202651-20063 contacts →

Exact match

“At GRJ, our mission is to protect human life and building investments from the threat of fire.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Oct 28, 202651-20055 contacts →

Exact match

“The Newkem Group is an innovative solution based organization offering the most modern, tested and approved world standard products in the fields of passive fire protection, steel…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchMeasham, United KingdomHQ recorded Oct 28, 202651-20054 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 28, 2026 · View company records in RevenueBase
16Exact matchAuckland, New ZealandHQ recorded Oct 28, 202651-20046 contacts →

Exact match

“Global Fire was established in 2014.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchEllange, LuxembourgHQ recorded Oct 28, 202651-20043 contacts →

Exact match

“Avec plus de 30 ans d'expérience, Ginge-Kerr est un acteur incontournable dans le domaine de la protection incendie active et passive.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchSaco, ME, United StatesHQ recorded Oct 28, 202651-20039 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 28, 2026 · View company records in RevenueBase
19Exact matchDublin 10, IrelandHQ recorded Oct 28, 202651-20039 contacts →

Exact match

“Fire Protection Specialists was founded in 2006, since then it has grown steadily over the years, now operating across Ireland, the UK and Europe.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchHutton, United KingdomHQ recorded Oct 28, 202651-20037 contacts →

Exact match

“Golden Thread Fire Delay supply & install passive fire protection systems & solutions, as well as completing compartmentation & fire door surveys & inspections with full pictorial…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchBasildon, United KingdomHQ recorded Oct 28, 202611-5037 contacts →

Exact match

“Sharpfibre is the UK’s leading specialist fire protection contractor providing passive fire protection systems and life safety solutions.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Oct 28, 202651-20037 contacts →

Exact match

“É uma empresa de Engenharia e Serviços que trabalha com Proteção Passiva Contra Fogo em edificações na Construção Civil e Indústria.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchHarlow, United KingdomHQ recorded Oct 28, 202651-20036 contacts →

Exact match

“Fire Protection markets the Flamebar range of passive fire resisting products, including the innovative Flamebar BW11 and BW18 fire resisting ductwork systems.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchMortágua, PortugalHQ recorded Oct 28, 202651-20034 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 28, 2026 · View company records in RevenueBase
25Exact matchVallentuna, SwedenHQ recorded Oct 28, 202651-20032 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 28, 2026 · View company records in RevenueBase

Showing 25 of 835 passive firestop system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 2,190 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Passive firestop system suppliers worldwide at a glance

As of Oct 28, 2026
30.9%Verified-email coverage
8.5Average contacts per company
11-50Median size (employees)
4.1%Largest-city concentration · London
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
331
11-50
349
51-200
131
201-500
13
501-1,000
4
1,001-5,000
1
10001+
1

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 passive firestop system suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “passive firestop system 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 2,190 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 28, 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.

Passive firestop system suppliers by location

5 lists · largest first

Every Passive firestop system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “passive firestop system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many passive firestop system suppliers are there worldwide?

RevenueBase identified 835 company matches for passive firestop system 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?

Checkmate Fire Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most passive firestop system suppliers?

The United Kingdom leads with 260 companies, followed by the United States (73) and Australia (46). Every passive firestop system suppliers list by country and city is linked on this page.

Which city has the most passive firestop system suppliers?

London leads with 34 company records, followed by Auckland (12) and Dubai (9).

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 2,190 professional contacts with verified work emails tracked across these 835 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 28, 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 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.