Company lists · Data refreshed October 2026

Top 14 Penetration seals suppliers based in the United Kingdom

RevenueBase identified 31 company matches for penetration seals suppliers associated with the United Kingdom as of October 2026 and tracks 381 professional contacts across them, including 172 with verified work emails. Cramlington is the largest hub.

This list covers company matches for penetration seals suppliers associated with the United Kingdom, 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.

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
31Companies
381Contacts tracked
172Verified emails
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The 14 largest penetration seals suppliers based in the United Kingdom

Ranked by team size
Top 14 of 31 company matches for penetration seals suppliers based in the United Kingdom, 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 matchBradford, United KingdomHQ recorded Oct 28, 202651-20091 contacts →

Exact match

“KLINGER is the world's leading sealing solutions and services provider.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchWorcester, United KingdomHQ recorded Oct 28, 202651-20075 contacts →

Exact match

“OBEX Protection Ltd is a global leader in the supply of innovative sealing and protection solutions for commercial glazing and façades.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchHuntingdon, United KingdomHQ recorded Oct 28, 202651-20037 contacts →

Exact match

“VIP-Polymers are World Class provider of Globally approved sealing gaskets.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchBury, United KingdomHQ recorded Oct 28, 202611-5033 contacts →

Exact match

“We provide cable and pipe sealing solutions for a wide range of applications within many different industries.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchWardle, United KingdomHQ recorded Oct 28, 202611-5021 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 28, 2026 · View company records in RevenueBase
6Exact matchNorthumberland, United KingdomHQ recorded Oct 28, 202611-5019 contacts →

Exact match

“CSD Sealing System (UK) have specialised in the supply and installation of technically advanced cable transits, flexible pipe penetrations and RISE and Nofirno cable duct seals…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchChessington, United KingdomHQ recorded Oct 28, 202611-5018 contacts →

Exact match

“PFC Corofil is one of the UK's leading manufacturers of passive fire protection products.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchBarton-upon-humber, United KingdomHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“Passive fire protection specialists Holistic Fire Safety provide a range of tested and engineered solutions by fire stopping penetrations and defects in walls, floors, roofs…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchNottinghamshire, United KingdomHQ recorded Oct 28, 202651-20010 contacts →

Exact match

“CRS Fire Protection Ltd are a specialist passive fire protection and air sealing company based in the midlands Formed in 2009 CRS Fire Protection ltd is a family run business and…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchDroitwich Spa, United KingdomHQ recorded Oct 28, 202651-20010 contacts →

Exact match

“Pyroplex has an ever increasing worldwide reputation as a leading manufacturer of high performance fire containment systems.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchCramlington, United KingdomHQ recorded Oct 28, 202611-504 contacts →

Exact match

“CSD Technical Services are a recognised service provider with over 30 years of experience in the supply, inspection and installation of cable transits and pipe penetration systems.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchScunthorpe, United KingdomHQ recorded Oct 28, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchDerbyshire, United KingdomHQ recorded Oct 28, 202611-502 contacts →

Exact match

“Innovative retrofit cavity barrier solution.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchColchester, United KingdomHQ recorded Oct 28, 20261-101 contacts →

Exact match

“Our fire stopping specialists work with clients in Essex and Suffolk to ensure any penetrations or openings within their working environments are fully sealed with heat and smoke…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 14 of 31 penetration seals suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 172 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Penetration seals suppliers based in the United Kingdom at a glance

As of Oct 28, 2026
45.1%Verified-email coverage
12.3Average contacts per company
11-50Median size (employees)
6.5%Largest-city concentration · Cramlington
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
11
51-200
6

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 31 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 the United Kingdom whose business descriptions match “penetration seals 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. 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 172 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.

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

How many penetration seals suppliers are there based in the United Kingdom?

RevenueBase identified 31 company matches for penetration seals suppliers associated with the United Kingdom 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?

Klinger United Kingdom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most penetration seals suppliers?

Cramlington leads with 2 company records, followed by Aldershot (1) and Barton-Upon-Humber (1).

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 172 professional contacts with verified work emails tracked across these 31 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.