Company lists · Data refreshed October 2026

Top 25 Fireblocking suppliers worldwide

RevenueBase identified 1,682 company matches for fireblocking suppliers worldwide as of October 2026 and tracks 13,821 professional contacts across them, including 4,523 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for fireblocking 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 fireblocking 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 25, 2026 How this list was built
1,682Companies
13,821Contacts tracked
4,523Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest fireblocking suppliers worldwide

Ranked by team size
Top 25 of 1,682 company matches for fireblocking suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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 matchMedford, MA, United StatesHQ recorded Oct 25, 2026501-1,000342 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2Exact matchWetherby, United KingdomHQ recorded Oct 25, 2026501-1,000331 contacts →

Exact match

“Insulation, drywall, ceilings, construction products, external facades, flooring, partitioning, passive fire protection: whatever your project, Encon has the product range…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3Exact matchSomerville, NJ, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
4Exact matchColumbus, OH, United StatesHQ recorded Oct 25, 2026201-500187 contacts →

Exact match

“Interior Supply Inc.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5Exact matchMaesteg, United KingdomHQ recorded Oct 25, 2026201-500165 contacts →

Exact match

“Siderise is a global expert in the design, manufacture, and supply of high-performance passive fire protection solutions for the building envelope.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6Exact matchSheffield, United KingdomHQ recorded Oct 25, 2026201-500161 contacts →

Exact match

“At Galaxy Insulation & Dry Lining, we’re your nationwide trusted distribution and technical partner.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7Exact matchStanhope, NJ, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
8Exact matchLouisville, KY, United StatesHQ recorded Oct 25, 2026201-500134 contacts →

Exact match

“LSS Life Safety Services® (LSS) is a nationwide leader of fire and smoke damper inspections and repairs, fire door inspection, repair, and re-labeling, as well as firestopping and…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9Exact matchWaterlooville, United KingdomHQ recorded Oct 25, 202651-200128 contacts →

Exact match

“Coopers Fire - Leading The Way In Fire Protection The world's leading Fire Barrier Curtain and Smoke Curtain manufacturer, invented the Gravity Fail Safe Fire Curtain, universally…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10Exact matchSwadlincote, United KingdomHQ recorded Oct 25, 202651-200118 contacts →

Exact match

“First Fence Ltd is one of the front runners in the UK Fencing Industry, supplying a wide range of products from security fencing, temporary fencing, safety barriers to…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11Exact matchGoslar, GermanyHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
13Exact matchIrlam, United KingdomHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
14Exact matchGorrels Way, United KingdomHQ recorded Oct 25, 202651-20085 contacts →

Exact match

“Market Leading Level 4 - LPC / LPS 1048 designers & installers of Automatic Fire protection Systems.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15Exact matchQuezon City, PhilippinesHQ recorded Oct 25, 2026201-50081 contacts →

Exact match

“Authorized and highly-trained on the Design, Supply and Installation, and Maintenance on Fire Protection & Suppression Systems.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16Exact matchOyten, GermanyHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
17Exact matchContagem, BrazilHQ recorded Oct 25, 202651-20075 contacts →

Exact match

“Fundada no ano de 2001, a Refracont vem se destacando no mercado com a comercialização de produtos e serviços, proteção passiva contra incêndio (PPCI), fibra cerâmica…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18Exact matchWest Bromwich, United KingdomHQ recorded Oct 25, 2026201-50072 contacts →

Exact match

“MBP Door Solutions is the largest independent stockist of fire and non-fire doors in the UK.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19Exact matchOosterzele, BelgiumHQ recorded Oct 25, 2026201-50072 contacts →

Exact match

“Rf-Technologies is a prominent European manufacturer of fire resistant solutions for compartmentation and smoke evacuation.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20Exact matchBoise, ID, United StatesHQ recorded Oct 25, 202651-20071 contacts →

Exact match

“Smoke Guard, Inc.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21Exact matchRijkevorsel, BelgiumHQ recorded Oct 25, 202651-20067 contacts →

Exact match

“Met Meyvaert Fire, Alto Security en Eribel komen 3 sterke merken samen.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22Exact matchSouth Granville, CanadaHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
23Exact matchLeeds, United KingdomHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Oct 25, 202651-20066 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25Exact matchWest Yorkshire, United KingdomHQ recorded Oct 25, 202651-20064 contacts →

Exact match

“Polyseam Ltd | Manufacturer of Passive Fire Protection, Sealants & Construction Chemicals Polyseam Ltd is a UK manufacturer of high-performance construction products, specialising…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

Showing 25 of 1,682 fireblocking suppliers worldwide

See the full list, filter by size, metro and specialty, and access 4,523 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Fireblocking suppliers worldwide at a glance

As of Oct 25, 2026
32.7%Verified-email coverage
8.2Average contacts per company
11-50Median size (employees)
3.3%Largest-city concentration · London
Oct 25, 2026Page data refreshed

Companies by employee count

1-10
687
11-50
689
51-200
249
201-500
31
501-1,000
6
1,001-5,000
4
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 fireblocking suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “fireblocking 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 4,523 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.

Fireblocking suppliers by location

9 lists · largest first

Every Fireblocking 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 “fireblocking suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fireblocking suppliers are there worldwide?

RevenueBase identified 1,682 company matches for fireblocking 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?

General Insulation Company, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most fireblocking suppliers?

The United Kingdom leads with 472 companies, followed by the United States (238) and the Netherlands (81). Every fireblocking suppliers list by country and city is linked on this page.

Which city has the most fireblocking suppliers?

London leads with 55 company records, followed by Dubai (17) and Leeds (14).

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 4,523 professional contacts with verified work emails tracked across these 1,682 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 1,682 fireblocking suppliers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.