Company lists · Data refreshed September 2026

Top 20 Heat recovery steam generator manufacturers based in the United Kingdom

Name: Heat recovery steam generator 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 32 companies tracked

RevenueBase identified 32 company matches for heat recovery steam generator manufacturers associated with the United Kingdom as of September 2026 and tracks 416 professional contacts across them, including 167 with verified work emails. Wakefield is the largest hub.

This list covers company matches for heat recovery steam generator 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 30, 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 30, 2026 How this list was built

32Companies

416Contacts tracked

167Verified emails

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The 20 largest heat recovery steam generator manufacturers based in the United Kingdom

Ranked by team size

Top 20 of 32 company matches for heat recovery steam generator manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Boustead International Heaters	Exact match	Burgess Hill, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
2	Green's	Exact match	Wakefield, United KingdomHQ recorded Sep 30, 2026	51-200	72 contacts →
	Exact match “Green’s is one of Europe’s largest providers of boiler pressure part equipment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Sterling Thermal Technology LTD	Exact match	Aylesbury, United KingdomHQ recorded Sep 30, 2026	51-200	69 contacts →
	Exact match “Your trusted heat exchanger manufacturer - From first principles to lasting partnerships Heat exchanger manufacturer since 1904, we design and produce to custom specifications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Poole Process Equipment LTD	Exact match	Poole, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
5	Econotherm UK LTD	Exact match	Bridgend, United KingdomHQ recorded Sep 30, 2026	11-50	12 contacts →
	Exact match “Design and manufacturing of heat pipes and heat exchangers for use in diverse areas of industrial waste heat recovery.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Citech Energy Recovery Solutions UK LTD	Exact match	Hessle, United KingdomHQ recorded Sep 30, 2026	11-50	11 contacts →
	Exact match “CiTECH’s commitment to the oil and gas industry over the past 8 decades has resulted in the design and delivery of over 220 specialised gas turbine heat recovery systems.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Allcool London	Exact match	Barking, United KingdomHQ recorded Sep 30, 2026	1-10	11 contacts →
	Exact match “Allcool for all your Heating and Cooling Solutions An established company with over 100 years combined experience and knowledge in the generator and heat exchange industry Allcool…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Thermtech	Exact match	Manchester, United KingdomHQ recorded Sep 30, 2026	11-50	11 contacts →
	Exact match “We design, manufacture and install bespoke industrial waste heat recovery systems with unrivaled technical excellence and through a highly skilled workforce.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	IME Group	Exact match	Brentwood, United KingdomHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “When something goes wrong on plant you need one call, one team and one answer.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Flomar LTD	Exact match	Fleckney, United KingdomHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “Founded in 1982, Flomar Ltd was created to meet the demand for knowledge in steam production.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Northern Combustion Systems Limited	Exact match	Dewsbury, United KingdomHQ recorded Sep 30, 2026	11-50	7 contacts →
	Exact match “Provide Process Heating Solutions to a wide variety of industries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Struthers Energy And Power LTD	Exact match	Hull, United KingdomHQ recorded Sep 30, 2026	51-200	6 contacts →
	Exact match “STRUTHERS ENERGY & POWER LTD – Design, Engineering and Supply of World-Class Energy Recovery Plant Our World Leading Patented design of Circular Waste Heat Recovery Units and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Clayton Thermal Products LTD	Exact match	Runcorn, United KingdomHQ recorded Sep 30, 2026	11-50	6 contacts →
	Exact match “Clayton Steam System Solutions is an international group with a reputation for technological advance and innovation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	TEI Limited	Exact match	Wakefield, United KingdomHQ recorded Sep 30, 2026	201-500	5 contacts →
	Exact match “TEi Limited is a leading organisation in the United Kingdom specialising in the manufacture, installation and repair & maintenance of high-pressure steam raising plant and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	ZPE LTD	Exact match	Caldicot, United KingdomHQ recorded Sep 30, 2026	11-50	4 contacts →
	Exact match “The ZPE Ltd’s waste heat/steam to electricity harvesting system saves on your fuel and power costs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Dext Heat Recovery	Exact match	Barrowford, United KingdomHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “The Dext team came together in 2009 with a combined 30 years’ industry experience.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Heatxforce Limited	Exact match	Solihull, United KingdomHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Heatxforce deliver a one-stop solution for all of your heat transfer and heat exchangers requirements from concept to commissioning.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Heatcatcher LTD	Exact match	Falmer, United KingdomHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Decarbonising heat in manufacturing industries by integrating Waste Heat Recovery (WHR) systems with High Temperature Heat Pumps (HTHP) hot water generators and Organic Rankine…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	M E Energy LTD	Exact match	Burntwood, United KingdomHQ recorded Sep 30, 2026	51-200	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Heap Dawson Limited	Exact match	Gt Manchester, United KingdomHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 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 “heat recovery steam generator 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 20 of 32 heat recovery steam generator manufacturers based in the United Kingdom

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Heat recovery steam generator manufacturers based in the United Kingdom at a glance

As of Sep 30, 2026

40.1%Verified-email coverage

13.0Average contacts per company

11-50Median size (employees)

9.4%Largest-city concentration · Wakefield

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 32 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 “heat recovery steam generator 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 167 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 30, 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 “heat recovery steam generator manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heat recovery steam generator manufacturers are there based in the United Kingdom?

RevenueBase identified 32 company matches for heat recovery steam generator 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?

Boustead International Heaters tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most heat recovery steam generator manufacturers?

Wakefield leads with 3 company records, followed by Poole (2) and Aylesbury Bucks (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 167 professional contacts with verified work emails tracked across these 32 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 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 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.