Company lists · Data refreshed September 2026

Top 25 Power plant maintenance contractors based in the United Kingdom

Name: Power plant maintenance contractors 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 139 companies tracked

RevenueBase identified 139 company matches for power plant maintenance contractors associated with the United Kingdom as of September 2026 and tracks 6,631 professional contacts across them, including 953 with verified work emails. London is the largest hub.

This list covers company matches for power plant maintenance contractors 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

139Companies

6,631Contacts tracked

953Verified emails

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The 25 largest power plant maintenance contractors based in the United Kingdom

Ranked by team size

Top 25 of 139 company matches for power plant maintenance contractors 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	GEV Wind Power	Exact match	Hull, United KingdomHQ recorded Sep 17, 2026	501-1,000	440 contacts →
	Exact match “GEV Wind Power is the global leading wind turbine maintenance & repair specialist.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Quartzelec Limited	Exact match	Rugby, United KingdomHQ recorded Sep 17, 2026	501-1,000	412 contacts →
	Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	RWG Repair & Overhauls	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	201-500	316 contacts →
	Exact match “RWG (Repair & Overhauls) Limited is a Siemens Energy business.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Rainham Industrial Services LTD	Exact match	Essex, United KingdomHQ recorded Sep 17, 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 · Sep 17, 2026 · View company records in RevenueBase
5	PJD Mechanical Engineering	Exact match	Doncaster, United KingdomHQ recorded Sep 17, 2026	51-200	86 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 · Sep 17, 2026 · View company records in RevenueBase
6	JBC	Exact match	Normanton, United KingdomHQ recorded Sep 17, 2026	51-200	86 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 · Sep 17, 2026 · View company records in RevenueBase
7	Fletcher Moorland	Exact match	Stoke On Trent, United KingdomHQ recorded Sep 17, 2026	51-200	75 contacts →
	Exact match “Fletcher Moorland Ltd, are the experts in repairing, replacing, or upgrading Electric Motors, Pumps, Air Handling Units, Inverter Drives, Servo Motors, HMIs, PCBs, PSUs and more.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	IPS Newcastle LTD	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 17, 2026	51-200	64 contacts →
	Exact match “IPS Newcastle, part of the Integrated Power Services Group, improves the performance of electromechanical assets around the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	MKE Engineering Group	Exact match	Sittingbourne, United KingdomHQ recorded Sep 17, 2026	51-200	63 contacts →
	Exact match “MKE Engineering (Mid Kent Electrical) is the largest independent engineering service provider of its kind in the South East, operating from 3 different sites covering Kent…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Powerforce Global	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	51-200	62 contacts →
	Exact match “We are a global provider of flexible and robust Field Service solutions to Original Equipment Manufacturers (OEMs) and Plant Owners across the Energy & Utilities sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Alba Power	Exact match	Edinburgh, United KingdomHQ recorded Sep 17, 2026	51-200	40 contacts →
	Exact match “Alba Power is the leading global independent for the provision of dedicated support services, to the aeroderivative/industrial gas turbine, power turbine and marine tyne turbines…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	GES Group	Exact match	Ballymena, United KingdomHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “Established over 40 years ago as Grants Electrical Services (NI) Ltd, we have grown into GES Group, a leading Electrical and Mechanical Engineering company, serving customers…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Turbine Services Limited	Exact match	Glasgow, United KingdomHQ recorded Sep 17, 2026	51-200	34 contacts →
	Exact match “Turbine Services is a global provider to owners and operators of industrial gas turbines, offering an employee skill-base in excess of man-years of experience in gas turbine…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Rochem Fyrewash	Exact match	Winchester, United KingdomHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “Rochem Technical Services are world leaders in gas turbine and process compressor cleaning technologies and cleaning chemicals (FYREWASH®).” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	LM Services NI LTD	Exact match	Belfast, United KingdomHQ recorded Sep 17, 2026	51-200	27 contacts →
	Exact match “LM Services (NI) Ltd formerly known as LM Electric is an electrical and mechanical engineering company dedicated to developing solutions through the application of innovative…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Industrial Maintenance Services LTD	Exact match	Portsmouth, United KingdomHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “IMS specialise in the maintenance of production equipment and associated infrastructure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Central Group UK	Exact match	Prescot, United KingdomHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “At Central we provide fast, workable and innovative solutions using our extensive experience in motors, pumps, drives and alternators.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Applied Power Engineering LTD	Exact match	Rotherham, United KingdomHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “At Applied Power Engineering, we specialise in generator commissioning, optioneering, and generator installation, ensuring reliable power solutions tailored to your needs.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	HK Engineering LTD	Exact match	Melksham, United KingdomHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “HK Engineering Ltd is a leading engineering company specialising in electrical and gas testing and innovative solutions, with a solid commitment to excellence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Cabel UK	Exact match	Oakham, United KingdomHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Cabel is a dedicated company specialising in the electromechanical industry offering the repair and rewind of rotating electrical equipment including alternators, pumps, motors…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	CPM Engineering	Exact match	Manchester, United KingdomHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “CPM Engineering are a Manchester based electrical and mechanical engineering company, offering reactive and preventative maintenance services to rotating machines.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Altofix LTD	Exact match	Sheffield, United KingdomHQ recorded Sep 17, 2026	1-10	19 contacts →
	Exact match “Altofix primarily operates in the Power Generation sector carrying out inspection, maintenance, repair, NDT, rescue and boiler cleaning work (deslags) at EfW and Biomass plants…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Thomson LTD	Exact match	Hillam, United KingdomHQ recorded Sep 17, 2026	51-200	16 contacts →
	Exact match “Specialist in overhaul and maintenance of energy from waste plants and industrial plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Luma Engineering LTD	Exact match	Canvey Island, United KingdomHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Luma Engineering Ltd is a company specialising in all aspects of preventative and reactive maintenance on all types of mechanical processing machinery.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Turbo-Machinery Services Limited	Exact match	Bedford, United KingdomHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Specialists in the service, repair and support of Steam Turbines and associated Industrial Rotating Machinery.” 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 “power plant maintenance contractors”. 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 139 power plant maintenance contractors based in the United Kingdom

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Power plant maintenance contractors based in the United Kingdom at a glance

As of Sep 17, 2026

14.4%Verified-email coverage

47.7Average contacts per company

11-50Median size (employees)

4.3%Largest-city concentration · London

Sep 17, 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 139 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 “power plant maintenance contractors” 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 953 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 “power plant maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power plant maintenance contractors are there based in the United Kingdom?

RevenueBase identified 139 company matches for power plant maintenance contractors 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?

GEV Wind Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most power plant maintenance contractors?

London leads with 6 company records, followed by Aberdeen (5) and Sheffield (5).

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 953 professional contacts with verified work emails tracked across these 139 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.