Company lists · Data refreshed October 2026

Top 25 Auxiliary, back-up, emergency & stand-by power plants suppliers based in the United Kingdom

RevenueBase identified 124 company matches for auxiliary, back-up, emergency & stand-by power plants suppliers associated with the United Kingdom as of October 2026 and tracks 2,599 professional contacts across them, including 847 with verified work emails. London is the largest hub.

This list covers company matches for auxiliary, back-up, emergency & stand-by power plants suppliers 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 22, 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 22, 2026 How this list was built
124Companies
2,599Contacts tracked
847Verified emails
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The 25 largest auxiliary, back-up, emergency & stand-by power plants suppliers based in the United Kingdom

Ranked by team size
Top 25 of 124 company matches for auxiliary, back-up, emergency & stand-by power plants suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLarne, United KingdomHQ recorded Oct 22, 20261,001-5,000488 contacts →

Exact match

“Founded in 1966, FG Wilson is a leading global supplier of diesel generator sets with a strong heritage of quality, support and value.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchScarborough, United KingdomHQ recorded Oct 22, 2026201-500229 contacts →

Exact match

“Founded in 1935 Dale Power Solutions Ltd have been providing reliable; secure power solutions for mission critical services & systems throughout the world.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchNormanton, United KingdomHQ recorded Oct 22, 2026201-500179 contacts →

Exact match

“Generator Power are specialists in the provision of power via the hire and sale of diesel and LPG generators, bunded fuel tanks and other ancillary equipment.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchWarmley, United KingdomHQ recorded Oct 22, 2026201-500168 contacts →

Exact match

“We bring the energy!”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchHeanor, United KingdomHQ recorded Oct 22, 202651-200120 contacts →

Exact match

“WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchWrexham, United KingdomHQ recorded Oct 22, 202651-200104 contacts →

Exact match

“Riello UPS Ltd is a leader in the manufacture of uninterruptible power supplies (UPS) from 400 VA to 6.4 MVA and standby generators from 8 kVA to 2.5 MVA.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchSherburn In Elmet, United KingdomHQ recorded Oct 22, 202651-20095 contacts →

Exact match

“YorPower are multi award winning company with their head office based in the UK.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchAndover, United KingdomHQ recorded Oct 22, 202651-20086 contacts →

Exact match

“The UK's leading Technical Experts in Standby Power, Uninterruptible Power Supplies and Combined Heat & Power Systems.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchGillingham, United KingdomHQ recorded Oct 22, 202651-20063 contacts →

Exact match

“MEMS Power Generation is the UK leader in generator hire, approaching our 50th year of delivering temporary power solutions that businesses can depend on.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchSwindon, United KingdomHQ recorded Oct 22, 202611-5055 contacts →

Exact match

“UPS Systems PLC are the UK’s leading independent supplier of standby power and occupy a unique position in the provision of back-up power solutions to businesses of all sizes.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchPreston, United KingdomHQ recorded Oct 22, 202611-5038 contacts →

Exact match

“Central Power Services is one of the UK’s most trusted independent power specialists, delivering 24/7 generator hire, sales, and maintenance solutions nationwide.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchHavant, United KingdomHQ recorded Oct 22, 202611-5034 contacts →

Exact match

“P&I Group (formerly P&I Generators) are trusted Critical Power Specialists, delivering generator and UPS solutions across the UK since As a family-run business, we pride ourselves…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchCrumlin, United KingdomHQ recorded Oct 22, 202611-5027 contacts →

Exact match

“At Project Power we pride ourselves on our quality of equipment, high level of service and teamwork ethos – all of which is at the heart of everything we do – we call this our…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchWirral, United KingdomHQ recorded Oct 22, 202611-5026 contacts →

Exact match

“Delivering on our promise to be a reliable, effective and powerful solution for your business.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchRuncorn, United KingdomHQ recorded Oct 22, 202611-5020 contacts →

Exact match

“Pharos Generator Services with over 60 years’ experience in the power generation industry, specialise in the supply, installation, commissioning, repair and servicing of diesel…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchPontefract, United KingdomHQ recorded Oct 22, 202611-5019 contacts →

Exact match

“At Newburn Power, we specialise in providing temporary power and distribution solutions for projects of every scale – from major construction sites and utilities, to NHS…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchStoke On Trent, United KingdomHQ recorded Oct 22, 202611-5017 contacts →

Exact match

“Yellow Power Ltd are designers, suppliers and installers of new and used diesel and gas powered generation systems, including provision of all ancillary equipment, commissioning…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchSurrey, United KingdomHQ recorded Oct 22, 202611-5016 contacts →

Exact match

“Mercury Power Limited have an extensive team of experienced industry experts who specialise in all critical power projects.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchSheffield, United KingdomHQ recorded Oct 22, 202611-5016 contacts →

Exact match

“Keeping Power in Your Hands ” At Power Control & Automation Solutions Ltd, we don’t just provide services-we deliver peace of mind.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchEvesham, United KingdomHQ recorded Oct 22, 202611-5016 contacts →

Exact match

“Established in 1950, Woodlands Power was one of the first providers of critical, standby & temporary power in the UK.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchThame, United KingdomHQ recorded Oct 22, 202611-5015 contacts →

Exact match

“Critical Power Supplies is a leading independent UK multi-brand supplier of critical power and energy solutions including uninterruptible power supplies and standby power…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchHoughton Regis, United KingdomHQ recorded Oct 22, 202611-5014 contacts →

Exact match

“Star Power provides temporary power solutions to a wide variety of industries.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchKempston Hardwick, United KingdomHQ recorded Oct 22, 202611-5013 contacts →

Exact match

“At Specialist Power Systems it is our mission to be the leading independent supplier of secure power equipment and services in the UK.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 22, 202651-20013 contacts →

Exact match

“Industry-leading temporary power solutions for industrial and critical infrastructure applications.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchAlloa, United KingdomHQ recorded Oct 22, 202611-5012 contacts →

Exact match

“RMD is an independent specialist in integrated power and cooling solutions.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 124 auxiliary, back-up, emergency & stand-by power plants suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 847 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Auxiliary, back-up, emergency & stand-by power plants suppliers based in the United Kingdom at a glance

As of Oct 22, 2026
32.6%Verified-email coverage
21.0Average contacts per company
11-50Median size (employees)
4.8%Largest-city concentration · London
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
51
51-200
19
201-500
6
501-1,000
1
1,001-5,000
1

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 124 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 “auxiliary, back-up, emergency & stand-by power plants suppliers” 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 847 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 22, 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 “auxiliary, back-up, emergency & stand-by power plants suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many auxiliary, back-up, emergency & stand-by power plants suppliers are there based in the United Kingdom?

RevenueBase identified 124 company matches for auxiliary, back-up, emergency & stand-by power plants suppliers 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?

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

Which city has the most auxiliary, back-up, emergency & stand-by power plants suppliers?

London leads with 6 company records, followed by Crewe (3) and Glasgow (3).

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 847 professional contacts with verified work emails tracked across these 124 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 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 124 auxiliary, back-up, emergency & stand-by power plants suppliers based in the United Kingdom. Start with a free account, no credit card.

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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.