Company lists · Data refreshed September 2026

Top 25 Fired heater manufacturers based in the United Kingdom

Name: Fired heater 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 84 companies tracked

RevenueBase identified 84 fired heater manufacturers headquartered in the United Kingdom as of September 2026 and tracks 1,099 professional contacts across them, including 483 with verified work emails. London is the largest hub.

This list covers fired heater 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

84Companies

1,099Contacts tracked

483Verified emails

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The 25 largest fired heater manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 84 fired heater 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 fired heater 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	Exheat	Strong evidence	Watton, United KingdomHQ checked Sep 30, 2026	51-200	142 contacts →
	Strong evidence “At EXHEAT, we design and manufacture electric process heaters and control solutions.” Source: RevenueBase Database · checked Sep 30, 2026
2	Unitbirwelco	Indirect evidence	Elba Crescent, United KingdomHQ checked Sep 30, 2026	201-500	117 contacts →
	Indirect evidence “As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Source: RevenueBase Database · checked Sep 30, 2026
3	Boustead International Heaters	Strong evidence	Burgess Hill, United KingdomHQ checked Sep 30, 2026	51-200	79 contacts →
	Strong evidence “Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Source: RevenueBase Database · checked Sep 30, 2026
4	Wozair Limited	Strong evidence	Gillingham, United KingdomHQ checked Sep 30, 2026	51-200	79 contacts →
	Strong evidence “Wozair specialises in the design and manufacture of high integrity heating, ventilating and air conditioning (HVAC) equipment for offshore oil and gas, nuclear, marine…” Source: RevenueBase Database · checked Sep 30, 2026
5	Ormandy Rycroft Engineering	Partial evidence	Bradford, United KingdomHQ checked Sep 30, 2026	51-200	65 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
6	Saacke Combustion Services LTD	Indirect evidence	Havant, United KingdomHQ checked Sep 30, 2026	51-200	57 contacts →
	Indirect evidence “SAACKE is your qualified partner when it comes to highly efficient, reliable combustion plants with low emissions.” Source: RevenueBase Database · checked Sep 30, 2026
7	Lochinvar, UK	Strong evidence	Banbury, United KingdomHQ checked Sep 30, 2026	11-50	40 contacts →
	Strong evidence “Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Source: RevenueBase Database · checked Sep 30, 2026
8	Backer Heatrod LTD	Strong evidence	Bolton, United KingdomHQ checked Sep 30, 2026	11-50	36 contacts →
	Strong evidence “Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.” Source: RevenueBase Database · checked Sep 30, 2026
9	Flotech Performance Systems	Partial evidence	Chichester, United KingdomHQ checked Sep 30, 2026	11-50	35 contacts →
	Partial evidence “Flotech Performance Systems is a manufacturer and turnkey solutions provider to the Petrochemical, Process and Energy sectors.” Source: RevenueBase Database · checked Sep 30, 2026
10	Poole Process Equipment LTD	Strong evidence	Poole, United KingdomHQ checked Sep 30, 2026	11-50	34 contacts →
	Strong evidence “Poole Process Equipment Ltd are leaders in the design, manufacture & repair of air cooled & tubular heat exchangers and of pressure vessels.” Source: RevenueBase Database · checked Sep 30, 2026
11	Turnbull & Scott Engineers LTD	Partial evidence	Hawick, United KingdomHQ checked Sep 30, 2026	11-50	25 contacts →
	Partial evidence “Turnbull & Scott are mechanical and electrical engineers specialising in the generation, transfer and recovery of heat.” Source: RevenueBase Database · checked Sep 30, 2026
12	Elnur UK	Partial evidence	Leigh, United KingdomHQ checked Sep 30, 2026	11-50	19 contacts →
	Partial evidence “ELNUR was founded in 1973 and since then, we have established ourselves as one of the leading UK providers of the most efficient heating system in the world: electric heating.” Source: RevenueBase Database · checked Sep 30, 2026
13	Comtherm LTD	Partial evidence	Droitwich, United KingdomHQ checked Sep 30, 2026	11-50	19 contacts →
	Partial evidence “Established in 1974, Comtherm Ltd has over forty years of experience in the design, manufacture, installation and commissioning of industrial combustion equipment for the…” Source: RevenueBase Database · checked Sep 30, 2026
14	Calgavin LTD	Partial evidence	Warwickshire, United KingdomHQ checked Sep 30, 2026	11-50	18 contacts →
	Partial evidence “CALGAVIN are proud to work in partnership with some of the largest global businesses to provide robust heat transfer solutions to the process industry.” Source: RevenueBase Database · checked Sep 30, 2026
15	Cooperheat Equipment LTD	Indirect evidence	Southport, United KingdomHQ checked Sep 30, 2026	51-200	15 contacts →
	Indirect evidence “We’ve been leading innovators in thermal technology since 1957.” Source: RevenueBase Database · checked Sep 30, 2026
16	Thermoplant Offshore Services Limited	Strong evidence	Kingston Upon Hull, United KingdomHQ checked Sep 30, 2026	51-200	15 contacts →
	Strong evidence “Specialists in the Design and Manufacture of high quality Heating, Ventilation and Air Conditioning/Refrigeration Systems for the Onshore and Offshore Petrochemical Industries and…” Source: RevenueBase Database · checked Sep 30, 2026
17	Combat Heating Solutions LTD	Partial evidence	Wednesbury, United KingdomHQ checked Sep 30, 2026	51-200	13 contacts →
	Partial evidence “Combat Heating Solutions has been an established name in the commercial heating industry for more than 50 years.” Source: RevenueBase Database · checked Sep 30, 2026
18	Therco Serck	Partial evidence	Sheffield, United KingdomHQ checked Sep 30, 2026	51-200	13 contacts →
	Partial evidence “With a legacy in heat transfer dating back to the early 1900’s, our heat exchangers are integral to the most critical of global industries – from oil refineries and chemical…” Source: RevenueBase Database · checked Sep 30, 2026
19	Proctor Process Plant LTD	Indirect evidence	Burnley, United KingdomHQ checked Sep 30, 2026	11-50	12 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
20	Global Combustion Systems	Partial evidence	Livingston, United KingdomHQ checked Sep 30, 2026	11-50	11 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026
21	Airflow Environmental	Indirect evidence	Sheffield, United KingdomHQ checked Sep 30, 2026	11-50	10 contacts →
	Indirect evidence “Airflow Group \| Global Leaders in Industrial Ovens & Spray Booths.” Source: RevenueBase Database · checked Sep 30, 2026
22	The Force Group LTD	Indirect evidence	Shirley, United KingdomHQ checked Sep 30, 2026	11-50	10 contacts →
	Indirect evidence “At the Force Group we are a multi-disciplinary team with product specialists you can count upon as an extension to your workforce.” Source: RevenueBase Database · checked Sep 30, 2026
23	BN Thermic LTD	Strong evidence	Crawley, United KingdomHQ checked Sep 30, 2026	11-50	9 contacts →
	Strong evidence “Manufacturer and supplier of high quality commercial and industrial electric heaters and controls.” Source: RevenueBase Database · checked Sep 30, 2026
24	Braude A Trading Division Of Backer Heatrod LTD	Indirect evidence	Bolton, United KingdomHQ checked Sep 30, 2026	11-50	8 contacts →
	Indirect evidence “E.” Source: RevenueBase Database · checked Sep 30, 2026
25	Space RAY UK	Partial evidence	Claydon, United KingdomHQ checked Sep 30, 2026	51-200	7 contacts →
	Partial evidence “As a leading expert in the heating industry with more than 70 years of experience, Space-Ray delivers outstanding value-based heating products & support that our customers have…” 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: fired heater 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 fired heater manufacturers.
Partial evidence: Its own public description names part of fired heater manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name fired heater 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 84 fired heater manufacturers based in the United Kingdom

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Fired heater manufacturers based in the United Kingdom at a glance

As of Sep 30, 2026

43.9%Verified-email coverage

13.1Average contacts per company

11-50Median size (employees)

6.0%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

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 84 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 fired heater 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 “fired heater 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 fired heater 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 fired heater 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, 483 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 fired heater 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 fired heater manufacturers are there based in the United Kingdom?

RevenueBase identified 84 fired heater 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?

Exheat, headquartered in Thetford, tops this list with the largest team on record.

Which city has the most fired heater manufacturers?

London leads with 5 headquartered companies, followed by Sheffield (4) and Bolton (2).

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 483 verified decision-maker contacts tracked across these 84 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.