Company lists · Data refreshed October 2026

Top 25 Indirect fired heaters manufacturers based in the United Kingdom

RevenueBase identified 83 company matches for indirect fired heaters manufacturers associated with the United Kingdom as of October 2026 and tracks 1,189 professional contacts across them, including 465 with verified work emails. Wednesbury is the largest hub.

This list covers company matches for indirect fired heaters manufacturers 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 14, 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 14, 2026 How this list was built
83Companies
1,189Contacts tracked
465Verified emails
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The 25 largest indirect fired heaters manufacturers based in the United Kingdom

Ranked by team size
Top 25 of 83 company matches for indirect fired heaters manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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 matchSouthampton, United KingdomHQ recorded Oct 14, 2026501-1,000195 contacts →

Exact match

“For over 75 years, Dimplex has been the trusted name for electric heating.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2Exact matchWatton, United KingdomHQ recorded Oct 14, 202651-200140 contacts →

Exact match

“At EXHEAT, we design and manufacture electric process heaters and control solutions.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3Exact matchElba Crescent, United KingdomHQ recorded Oct 14, 2026201-500120 contacts →

Exact match

“As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4Exact matchGillingham, United KingdomHQ recorded Oct 14, 202651-20084 contacts →

Exact match

“Wozair specialises in the design and manufacture of high integrity heating, ventilating and air conditioning (HVAC) equipment for offshore oil and gas, nuclear, marine…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5Exact matchBurgess Hill, United KingdomHQ recorded Oct 14, 202651-20083 contacts →

Exact match

“Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6Exact matchBradford, United KingdomHQ recorded Oct 14, 202651-20072 contacts →

Exact match

“Ormandy Rycroft Engineering aims to be a market leading provider of world class heat transfer and packaged solutions through our integrated portfolio of products, and our…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7Exact matchBolton, United KingdomHQ recorded Oct 14, 202611-5036 contacts →

Exact match

“Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8Exact matchSaffron Walden, United KingdomHQ recorded Oct 14, 202651-20030 contacts →

Exact match

“Holroyd are market leaders in specialist bespoke heating products, using the latest heating technology and solutions to solve complex industry challenges.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9Exact matchWilland, United KingdomHQ recorded Oct 14, 202611-5030 contacts →

Exact match

“GRE is a privately owned business based in the UK.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10Exact matchHawick, United KingdomHQ recorded Oct 14, 202611-5026 contacts →

Exact match

“Turnbull & Scott are mechanical and electrical engineers specialising in the generation, transfer and recovery of heat.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11Exact matchDroitwich, United KingdomHQ recorded Oct 14, 202611-5018 contacts →

Exact match

“Established in 1974, Comtherm Ltd has over forty years of experience in the design, manufacture, installation and commissioning of industrial combustion equipment for the…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12Exact matchDoncaster, United KingdomHQ recorded Oct 14, 202611-5017 contacts →

Exact match

“The Schwank Group.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13Exact matchWest Bromwich, United KingdomHQ recorded Oct 14, 202651-20016 contacts →

Exact match

“Tansun has been at the forefront of infrared heating for over 40 years, with a rich heritage of British excellence.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14Exact matchSouthport, United KingdomHQ recorded Oct 14, 202651-20014 contacts →

Exact match

“We’ve been leading innovators in thermal technology since 1957.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15Exact matchBurnley, United KingdomHQ recorded Oct 14, 202611-5013 contacts →

Exact match

“Established in 1983, Proctor Process Plant is a family-owned business who operate in a worldwide market, with a proven reputation for providing our customers with the highest…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16Exact matchWednesbury, United KingdomHQ recorded Oct 14, 202651-20012 contacts →

Exact match

“Combat Heating Solutions has been an established name in the commercial heating industry for more than 50 years.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17Exact matchChalgrove, United KingdomHQ recorded Oct 14, 202611-5011 contacts →

Exact match

“Carlton Thermal Systems Ltd started life in 1993 as Carlton Industrial Controls Ltd, the name being changed in February 2008 as a rebranding exercise.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18Exact matchShirley, United KingdomHQ recorded Oct 14, 202611-5011 contacts →

Exact match

“At the Force Group we are a multi-disciplinary team with product specialists you can count upon as an extension to your workforce.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19Exact matchRomsey, United KingdomHQ recorded Oct 14, 202651-20010 contacts →

Exact match

“British design, British manufacturer of Electric Far Infrared Heating Systems.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20Exact matchLivingston, United KingdomHQ recorded Oct 14, 202611-5010 contacts →

Exact match

“Global Combustion Systems specialise in the design, manufacture and supply of industrial gas, oxygen and fuel oil combustion systems which are used in the glass melting, steel…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21Exact matchFife Ky11 1hz, United KingdomHQ recorded Oct 14, 202651-2009 contacts →

Exact match

“AIC (Advanced Industrial Components) was founded in 2001 and rapidly became an internationally recognised reliable specialist in the design, engineering and manufacture of…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22Exact matchCrawley, United KingdomHQ recorded Oct 14, 202611-509 contacts →

Exact match

“Manufacturer and supplier of high quality commercial and industrial electric heaters and controls.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23Exact matchNorwich, United KingdomHQ recorded Oct 14, 20261-109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24Exact matchFareham, United KingdomHQ recorded Oct 14, 202611-509 contacts →

Exact match

“Yandiya Technologies Ltd, part of a Global Group, is committed to the design development, manufacture and distribution of next generation heating solutions.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25Exact matchNewcastle-under-lyme, United KingdomHQ recorded Oct 14, 202611-508 contacts →

Exact match

“Caltherm are a world-class designer and manufacturer of industrial ovens, furnaces, dryers and coolers, plus associated product handling and automation.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase

Showing 25 of 83 indirect fired heaters manufacturers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 465 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Indirect fired heaters manufacturers based in the United Kingdom at a glance

As of Oct 14, 2026
39.1%Verified-email coverage
14.3Average contacts per company
11-50Median size (employees)
4.8%Largest-city concentration · Wednesbury
Oct 14, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
32
51-200
15
201-500
3
501-1,000
1
5,001-10,000
1

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 83 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 “indirect fired heaters manufacturers” 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 465 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 14, 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 “indirect fired heaters manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many indirect fired heaters manufacturers are there based in the United Kingdom?

RevenueBase identified 83 company matches for indirect fired heaters manufacturers 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?

Dimplex UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most indirect fired heaters manufacturers?

Wednesbury leads with 4 company records, followed by London (3) and Sheffield (3).

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 465 professional contacts with verified work emails tracked across these 83 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 14, 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.