Company lists · Data refreshed September 2026

Top 25 Process heating equipment manufacturers based in the United Kingdom

Name: Process heating equipment 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 17, 2026 204 companies tracked

RevenueBase identified 204 company matches for process heating equipment manufacturers associated with the United Kingdom as of September 2026 and tracks 3,352 professional contacts across them, including 1,272 with verified work emails. London is the largest hub.

This list covers company matches for process heating equipment 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 September 17, 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 Sep 17, 2026 How this list was built

204Companies

3,352Contacts tracked

1,272Verified emails

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The 25 largest process heating equipment manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 204 company matches for process heating equipment manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Darchem Engineering	Exact match	Stillington, United KingdomHQ recorded Sep 17, 2026	501-1,000	317 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Dimplex UK	Exact match	Southampton, United KingdomHQ recorded Sep 17, 2026	501-1,000	201 contacts →
	Exact match “For over 75 years, Dimplex has been the trusted name for electric heating.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Exheat	Exact match	Watton, United KingdomHQ recorded Sep 17, 2026	51-200	142 contacts →
	Exact match “At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Unitbirwelco	Exact match	Elba Crescent, United KingdomHQ recorded Sep 17, 2026	201-500	117 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 · Sep 17, 2026 · View company records in RevenueBase
5	Spooner Industries LTD	Exact match	Ilkley, United KingdomHQ recorded Sep 17, 2026	51-200	101 contacts →
	Exact match “Spooner Industries Limited manufacture industrial process equipment such as industrial ovens, air flotation and dryers, coolers, provers and air pollution abatement equipment for…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Boustead International Heaters	Exact match	Burgess Hill, United KingdomHQ recorded Sep 17, 2026	51-200	79 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 · Sep 17, 2026 · View company records in RevenueBase
7	Wozair Limited	Exact match	Gillingham, United KingdomHQ recorded Sep 17, 2026	51-200	79 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 · Sep 17, 2026 · View company records in RevenueBase
8	Ormandy Rycroft Engineering	Exact match	Bradford, United KingdomHQ recorded Sep 17, 2026	51-200	65 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 · Sep 17, 2026 · View company records in RevenueBase
9	Saacke Combustion Services LTD	Exact match	Havant, United KingdomHQ recorded Sep 17, 2026	51-200	57 contacts →
	Exact match “SAACKE is your qualified partner when it comes to highly efficient, reliable combustion plants with low emissions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Dunphy Combustion Limited	Exact match	Rochdale, United KingdomHQ recorded Sep 17, 2026	51-200	53 contacts →
	Exact match “Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Hamworthy Heating LTD	Exact match	Hull, United KingdomHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “Hamworthy Heating is a British manufacturer and supplier of commercial heating and hot water products.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Lochinvar, UK	Exact match	Banbury, United KingdomHQ recorded Sep 17, 2026	11-50	40 contacts →
	Exact match “Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Warmflow Engineering Co. Limited	Exact match	Lisburn, United KingdomHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “Warmflow specialise in design, manufacturing, fabrication, sub assembly and kitting solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Fulton Boiler Works GB Limited	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “Fulton Ltd specialises in the design and manufacture of steam, hot water, thermal fluid boilers, packaged plant rooms and skid-mounted systems for industrial, commercial and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Consarc Engineering LTD	Exact match	Holytown, United KingdomHQ recorded Sep 17, 2026	51-200	37 contacts →
	Exact match “CONSARC Engineering Ltd are world leaders in the design, manufacture, installation and commissioning of vacuum and controlled atmosphere furnace equipment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Babcock Wanson UK LTD	Exact match	Borehamwood, United KingdomHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Backer Heatrod LTD	Exact match	Bolton, United KingdomHQ recorded Sep 17, 2026	11-50	36 contacts →
	Exact match “Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Poole Process Equipment LTD	Exact match	Poole, United KingdomHQ recorded Sep 17, 2026	11-50	34 contacts →
	Exact match “Poole Process Equipment Ltd are leaders in the design, manufacture & repair of air cooled & tubular heat exchangers and of pressure vessels.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Thermco Systems Limited	Exact match	Washington, United KingdomHQ recorded Sep 17, 2026	51-200	31 contacts →
	Exact match “Headquartered in Washington, West Sussex, United Kingdom Thermco Systems a Division of Tetreon Technologies, is the world’s most trusted brand name in horizontal diffusion…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Atag Heating Technology UK Limited	Exact match	Dunfermline, United KingdomHQ recorded Sep 17, 2026	51-200	31 contacts →
	Exact match “BUILT TO LAST ATAG truly is a unique company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	GRE Ltd. Thermal Engineering And Cryogenics	Exact match	Willand, United KingdomHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “GRE is a privately owned business based in the UK.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Holroyd Components LTD	Exact match	Saffron Walden, United KingdomHQ recorded Sep 17, 2026	51-200	27 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 · Sep 17, 2026 · View company records in RevenueBase
23	Turnbull & Scott Engineers LTD	Exact match	Hawick, United KingdomHQ recorded Sep 17, 2026	11-50	25 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 · Sep 17, 2026 · View company records in RevenueBase
24	Airflow Products LTD	Exact match	Sheffield, United KingdomHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “The Airflow Group provide a range of products and services in Industrial Ovens, Spray Booths, Product Finishing and Controlled Environments for Industrial applications.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Elnur UK	Exact match	Leigh, United KingdomHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “process heating equipment manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 204 process heating equipment manufacturers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,272 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Process heating equipment manufacturers based in the United Kingdom at a glance

As of Sep 17, 2026

37.9%Verified-email coverage

16.4Average contacts per company

11-50Median size (employees)

3.9%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

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 204 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 “process heating equipment 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 1,272 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 September 17, 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 “process heating equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many process heating equipment manufacturers are there based in the United Kingdom?

RevenueBase identified 204 company matches for process heating equipment manufacturers associated with the United Kingdom as of September 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?

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

Which city has the most process heating equipment manufacturers?

London leads with 8 company records, followed by Sheffield (8) and Stoke-On-Trent (4).

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 1,272 professional contacts with verified work emails tracked across these 204 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 September 17, 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.