Company lists · Data refreshed September 2026

Top 25 Mechanical insulation manufacturers based in the United Kingdom

Name: Mechanical insulation manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 250 companies tracked

RevenueBase identified 250 mechanical insulation manufacturers headquartered in the United Kingdom as of September 2026 and tracks 3,654 professional contacts across them, including 1,625 with verified work emails. London is the largest hub.

This list covers mechanical insulation manufacturers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

250Companies

3,654Contacts tracked

1,625Verified emails

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The 25 largest mechanical insulation manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 250 mechanical insulation manufacturers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to mechanical insulation manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Darchem Engineering	Indirect evidence	Stillington, United KingdomHQ checked Sep 30, 2026	501-1,000	317 contacts →
	Indirect evidence “Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Source: RevenueBase Database · checked Sep 30, 2026
2	Rockwool UK	Indirect evidence	Bridgend, United KingdomHQ checked Sep 30, 2026	501-1,000	178 contacts →
	Indirect evidence “ROCKWOOL Limited is part of the ROCKWOOL Group.” Source: RevenueBase Database · checked Sep 30, 2026
3	Superglass Insulation By Etex	Indirect evidence	Stirling, United KingdomHQ checked Sep 30, 2026	201-500	55 contacts →
	Indirect evidence “We can offer you thermal and acoustic glass mineral wool products that meet exacting standards together with a service that’s tailored to you.” Source: RevenueBase Database · checked Sep 30, 2026
4	MAX Energy LTD	Partial evidence	Leicester, United KingdomHQ checked Sep 30, 2026	201-500	53 contacts →
	Partial evidence “Max Energy Ltd is a UK based new build construction company specialising in the sale of insulation to the new build housing sector on a supply and install basis.” Source: RevenueBase Database · checked Sep 30, 2026
5	Essex Thermal Services LTD	Partial evidence	Dartford, United KingdomHQ checked Sep 30, 2026	51-200	47 contacts →
	Partial evidence “Essex Thermal Services Ltd are a UK based company specialising in Thermal Insulation, Trace Heating, Ventilation and Air Conditioning Installs.” Source: RevenueBase Database · checked Sep 30, 2026
6	Kingspan Technical Insulation LTD	Strong evidence	Basildon, United KingdomHQ checked Sep 30, 2026	51-200	40 contacts →
	Strong evidence “We manufacture high performance insulation products for pipework and ductwork in building services / HVAC, process, petrochemical and refrigeration services applications.” Source: RevenueBase Database · checked Sep 30, 2026
7	Actis Insulation	Partial evidence	Chippenham, United KingdomHQ checked Sep 30, 2026	11-50	28 contacts →
	Partial evidence “ACTIS is an innovative European insulation specialist whose vision is to develop effective and environmentally friendly ways of reducing energy consumption.” Source: RevenueBase Database · checked Sep 30, 2026
8	YBS Insulation	Partial evidence	Creswell, United KingdomHQ checked Sep 30, 2026	11-50	25 contacts →
	Partial evidence “YBS Insulation has grown steadily over the years from a one man operation producing one product in 1994 to the large manufacturing and distribution company it is today with an…” Source: RevenueBase Database · checked Sep 30, 2026
9	Polyfoam XPS	Strong evidence	Hartlepool, United KingdomHQ checked Sep 30, 2026	11-50	21 contacts →
	Strong evidence “Polyfoam XPS Ltd is a leading manufacturer of closed cell, extruded polystyrene insulation.” Source: RevenueBase Database · checked Sep 30, 2026
10	Culimeta-Saveguard Limited	Indirect evidence	Cheshire, United KingdomHQ checked Sep 30, 2026	51-200	20 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
11	K&g Distribution LTD	Partial evidence	Knowsley Industrial Park, United KingdomHQ checked Sep 30, 2026	11-50	18 contacts →
	Partial evidence “K&G Distribution Ltd is a specialist stockist and distributor of thermal, fire, acoustic insulation and associated products for use in HVAC, Marine/Offshore, Petrochem, Powergen…” Source: RevenueBase Database · checked Sep 30, 2026
12	Seymour Manufacturing International SMI	Partial evidence	Telford, United KingdomHQ checked Sep 30, 2026	11-50	18 contacts →
	Partial evidence “Thermal protection perfection - we're the inventors of the acclaimed Tempro, the remarkable lightweight thermal insulation material which has been scientifically proven to cut…” Source: RevenueBase Database · checked Sep 30, 2026
13	AIM	Partial evidence	Crawley, United KingdomHQ checked Sep 30, 2026	51-200	14 contacts →
	Partial evidence “Established in 1989 as an insulation converter.” Source: RevenueBase Database · checked Sep 30, 2026
14	Wray-Tech Supplies LTD	Partial evidence	Galleywood, United KingdomHQ checked Sep 30, 2026	11-50	13 contacts →
	Partial evidence “Innovative Insulation Solutions with Comprehensive Technical Support: Wray-tech specialises in Fire Protection, Acoustic materials, Thermal solutions, Drylining, and External…” Source: RevenueBase Database · checked Sep 30, 2026
15	IMS Insulation	Strong evidence	Bromborough, United KingdomHQ checked Sep 30, 2026	51-200	12 contacts →
	Strong evidence “IMS specialise in the manufacture, machining and supply of high temperature insulation materials and components for use throughout industry world-wide.” Source: RevenueBase Database · checked Sep 30, 2026
16	Agriemach LTD	Partial evidence	Copthorne, United KingdomHQ checked Sep 30, 2026	11-50	11 contacts →
	Partial evidence “We have been market leaders in heat and sound control products for a number of years and many leading equipment and vehicle manufacturers including the aerospace industry are…” Source: RevenueBase Database · checked Sep 30, 2026
17	Elmelin	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	11 contacts →
	Strong evidence “Elmelin manufacture products using Mica and high temperature insulation.” Source: RevenueBase Database · checked Sep 30, 2026
18	Ecoduct LTD	Indirect evidence	Blackpool, United KingdomHQ checked Sep 30, 2026	11-50	11 contacts →
	Indirect evidence “EcoDuct is an innovative, high-performance non-metallic pre-insulated HVAC ductwork system that saves energy, cuts installation time and costs, reduces environmental impact and…” Source: RevenueBase Database · checked Sep 30, 2026
19	Fibre-Tech Industries UK LTD	Indirect evidence	Royston, United KingdomHQ checked Sep 30, 2026	51-200	11 contacts →
	Indirect evidence “Since the company’s creation over 40 years ago, providing innovative solutions to heat management problems has always been at the core of our business.” Source: RevenueBase Database · checked Sep 30, 2026
20	Thermal Logic And Logic AIR Limited	Indirect evidence	Grays, United KingdomHQ checked Sep 30, 2026	11-50	11 contacts →
	Indirect evidence “Thermal Logic Ltd is an established and fast-growing company with a proven track record.” Source: RevenueBase Database · checked Sep 30, 2026
21	Ecotherm Insulation	Partial evidence	Basildon, United KingdomHQ checked Sep 30, 2026	51-200	11 contacts →
	Partial evidence “EcoTherm Insulation (UK) is one of the UK's leading suppliers of PIR rigid thermal insulation.” Source: RevenueBase Database · checked Sep 30, 2026
22	Esspee Fabrications LTD	Partial evidence	St. Helens, United KingdomHQ checked Sep 30, 2026	11-50	10 contacts →
	Partial evidence “Established in 1964, Esspee is the UK's leading machinist and fabricator of engineering composites, thermal and electrical insulation materials.” Source: RevenueBase Database · checked Sep 30, 2026
23	Gill Insulation	Partial evidence	Nottingham, United KingdomHQ checked Sep 30, 2026	51-200	10 contacts →
	Partial evidence “Supplying and installing thermal insulation for over 75 years, priding ourselves on a professional service and close working relationships with our clients.” Source: RevenueBase Database · checked Sep 30, 2026
24	H&v Insulation Supplies Limited	Partial evidence	Stapleford Abbotts, United KingdomHQ checked Sep 30, 2026	11-50	9 contacts →
	Partial evidence “H&V INSULATION SUPPLIES LIMITED is a construction company based out of UNITS1 & 2 THE MITCHELLS GUTTERIDGE LANE, STAPLEFORD ABBOTTS, United Kingdom.” Source: RevenueBase Database · checked Sep 30, 2026
25	Custom Insulation Limited	Partial evidence	Burton On Trent, United KingdomHQ checked Sep 30, 2026	11-50	9 contacts →
	Partial evidence “The UK’s Strongest Independent Technically Competent Service Provider of Acoustic, Thermal & Fire Retardant Insulation Solutions.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: mechanical insulation manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names mechanical insulation manufacturers.
Partial evidence: Its own public description names part of mechanical insulation manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name mechanical insulation manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 250 mechanical insulation manufacturers based in the United Kingdom

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Mechanical insulation manufacturers based in the United Kingdom at a glance

As of Sep 30, 2026

44.5%Verified-email coverage

14.6Average contacts per company

11-50Median size (employees)

6.0%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

117

11-50

100

51-200

201-500

501-1,000

1,001-5,000

10001+

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 250 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among mechanical insulation manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “mechanical insulation manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names mechanical insulation manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among mechanical insulation manufacturers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,625 across the full list. 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 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names mechanical insulation manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many mechanical insulation manufacturers are there based in the United Kingdom?

RevenueBase identified 250 mechanical insulation manufacturers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Darchem Engineering, headquartered in Stockton-On-Tees, tops this list with the largest team on record.

Which city has the most mechanical insulation manufacturers?

London leads with 15 headquartered companies, followed by Birmingham (5) and Liverpool (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,625 verified decision-maker contacts tracked across these 250 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.