Company lists · Data refreshed October 2026

Top 25 Industrial steam plant builders based in the United Kingdom

Name: Industrial steam plant builders based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 199 companies tracked

RevenueBase identified 199 company matches for industrial steam plant builders associated with the United Kingdom as of October 2026 and tracks 8,563 professional contacts across them, including 1,130 with verified work emails. London is the largest hub.

This list covers company matches for industrial steam plant builders 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 16, 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 16, 2026 How this list was built

199Companies

8,563Contacts tracked

1,130Verified emails

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The 25 largest industrial steam plant builders based in the United Kingdom

Ranked by team size

Top 25 of 199 company matches for industrial steam plant builders based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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	Spirax Sarco	Exact match	Cheltenham, United KingdomHQ recorded Oct 16, 2026	5,001-10,000	1,754 contacts →
	Exact match “Expertise \| Solutions \| Sustainability A FTSE-100 company, Spirax Sarco is the world's leading provider of steam system solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	Rainham Industrial Services LTD	Exact match	Essex, United KingdomHQ recorded Oct 16, 2026	501-1,000	264 contacts →
	Exact match “Rainham provides specialist industrial services that support the installation, maintenance, refurbishment, decommissioning and replacement of large industrial plants and building…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3	Zeeco Europe LTD	Exact match	Rutland, United KingdomHQ recorded Oct 16, 2026	51-200	180 contacts →
	Exact match “The World Leader in Combustion and Environmental Systems Zeeco, Inc.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	Unitbirwelco	Exact match	Elba Crescent, United KingdomHQ recorded Oct 16, 2026	201-500	120 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 16, 2026 · View company records in RevenueBase
5	Cochran	Exact match	Annan, United KingdomHQ recorded Oct 16, 2026	201-500	119 contacts →
	Exact match “Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	TES Group	Exact match	Cookstown, United KingdomHQ recorded Oct 16, 2026	51-200	118 contacts →
	Exact match “TES are Mechanical & Electrical Specialists, working to the highest standard of engineering excellence.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	Byworth Boilers Limited	Exact match	Keighley, United KingdomHQ recorded Oct 16, 2026	51-200	95 contacts →
	Exact match “Your industrial boiler is at the heart of your operations.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	JBC	Exact match	Normanton, United KingdomHQ recorded Oct 16, 2026	51-200	91 contacts →
	Exact match “JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	PJD Mechanical Engineering	Exact match	Doncaster, United KingdomHQ recorded Oct 16, 2026	51-200	90 contacts →
	Exact match “PJD Mechanical Engineering Ltd Ltd has worked with a number of leading clients, operators and technology companies throughout the UK energy sector for over 30 years.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	Technica LTD	Exact match	Grimsby, United KingdomHQ recorded Oct 16, 2026	51-200	70 contacts →
	Exact match “Technica provide a range of services from front end design, detailed design, project management, project engineering, construction, commissioning and the supply of professional…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11	LCA Group	Exact match	Harwarden, United KingdomHQ recorded Oct 16, 2026	51-200	61 contacts →
	Exact match “LCA Group is a leading provider of project design, manufacture, installation, commissioning and maintenance of electrical, instrumentation and control systems throughout the UK…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12	James Ramsay	Exact match	Glasgow, United KingdomHQ recorded Oct 16, 2026	51-200	59 contacts →
	Exact match “Heating - Pipework - Process - Maintenance.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	Dunphy Combustion Limited	Exact match	Rochdale, United KingdomHQ recorded Oct 16, 2026	51-200	52 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 · Oct 16, 2026 · View company records in RevenueBase
14	Qualter, Hall & CO Limited	Exact match	Barnsley, United KingdomHQ recorded Oct 16, 2026	51-200	49 contacts →
	Exact match “Founded in 1860, Qualter Hall owns a continuous history of engineering excellence in the UK and internationally.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	CDS Energy Services	Exact match	Hull, United KingdomHQ recorded Oct 16, 2026	51-200	42 contacts →
	Exact match “CDS Energy Services combines talented and experienced people with a state-of the art facility in the heart of the UK to provide full turnkey solutions to a range of blue chip…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	Tissot Industry UK	Exact match	Croydon, United KingdomHQ recorded Oct 16, 2026	51-200	39 contacts →
	Exact match “TISSOT Industrie \| Tailored industrial excellence since 1942.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	Eesb Engineering Limited	Exact match	Birkenhead, United KingdomHQ recorded Oct 16, 2026	11-50	39 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	MJM Industrial	Exact match	Colnbrook, United KingdomHQ recorded Oct 16, 2026	51-200	36 contacts →
	Exact match “We design, build, install, and maintain quality infrastructure project solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	Fulton Boiler Works GB Limited	Exact match	Bristol, United KingdomHQ recorded Oct 16, 2026	51-200	36 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 · Oct 16, 2026 · View company records in RevenueBase
20	Field Systems Designs LTD	Exact match	Dorking, United KingdomHQ recorded Oct 16, 2026	51-200	35 contacts →
	Exact match “Field Systems Designs is a specialist Electrical and Mechanical engineering contractor, operating primarily in the water, power, energy from waste & private industry sectors.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	Babcock Wanson UK LTD	Exact match	Borehamwood, United KingdomHQ recorded Oct 16, 2026	51-200	35 contacts →
	Exact match “Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	JW Morris	Exact match	Bridgend, United KingdomHQ recorded Oct 16, 2026	201-500	33 contacts →
	Exact match “JW Morris is an electrical and mechanical engineering company providing installation, manufacturing and wholesaling services to industry and commerce for domestic and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	Enisca	Exact match	Cookstown, United KingdomHQ recorded Oct 16, 2026	51-200	27 contacts →
	Exact match “Enisca is a multi-disciplinary design, engineering and construction business operating in the power and environmental sectors delivering innovative, sustainable and quality…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24	Power System Services LTD	Exact match	Chesterfield, United KingdomHQ recorded Oct 16, 2026	51-200	24 contacts →
	Exact match “Power System Services is an engineering company that has been providing Engineering solutions for heavy industry since 1996.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	Mcquillan Boiler Services LTD	Exact match	Rochdale, United KingdomHQ recorded Oct 16, 2026	51-200	24 contacts →
	Exact match “McQuillan Boiler Services was established in 1989 with the intention of offering our loyal customers reliable support and servicing with both their industrial and commercial steam…” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial steam plant builders”. 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 199 industrial steam plant builders based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,130 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial steam plant builders based in the United Kingdom at a glance

As of Oct 16, 2026

13.2%Verified-email coverage

43.0Average contacts per company

11-50Median size (employees)

3.0%Largest-city concentration · London

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 199 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 “industrial steam plant builders” 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 1,130 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 16, 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 “industrial steam plant builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial steam plant builders are there based in the United Kingdom?

RevenueBase identified 199 company matches for industrial steam plant builders 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?

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

Which city has the most industrial steam plant builders?

London leads with 6 company records, followed by Nottingham (5) and Doncaster (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 1,130 professional contacts with verified work emails tracked across these 199 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 16, 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.