Company lists · Data refreshed October 2026

Top 25 Oil refinery maintenance contractors based in the United Kingdom

RevenueBase identified 113 company matches for oil refinery maintenance contractors associated with the United Kingdom as of October 2026 and tracks 3,899 professional contacts across them, including 837 with verified work emails. London is the largest hub.

This list covers company matches for oil refinery 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 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
113Companies
3,899Contacts tracked
837Verified emails
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The 25 largest oil refinery maintenance contractors based in the United Kingdom

Ranked by team size
Top 25 of 113 company matches for oil refinery maintenance contractors 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 matchWarrington, United KingdomHQ recorded Oct 22, 20261,001-5,0002,157 contacts →

Exact match

“With a strong commitment to sustainability, Bilfinger UK stands out as a premier provider of engineering and maintenance services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchGrangemouth, United KingdomHQ recorded Oct 22, 20261,001-5,000511 contacts →

Exact match

“Located at Grangemouth, some 40km west of Edinburgh, one of INEOS’ largest manufacturing sites directly employs c1500 highly skilled people.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchKintore, United KingdomHQ recorded Oct 22, 202611-50132 contacts →

Exact match

“RELIABLE | RESOURCEFUL | READY We continually raise the bar by challenging ourselves and our clients to enable safe and efficient performance.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchScunthorpe, United KingdomHQ recorded Oct 22, 2026201-50095 contacts →

Exact match

“A specialist industrial services group that supports the global oil refining and petrochemical industries, based in North Lincolnshire, United Kingdom, Cat Tech International Ltd.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchAberdeen, United KingdomHQ recorded Oct 22, 2026201-50082 contacts →

Exact match

“At TDC we focus on two fundamental areas of business; our customers and our people.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchNantwich, United KingdomHQ recorded Oct 22, 202651-20074 contacts →

Exact match

“We are a successful mechanical installation company offering services to the Oil & Gas / Petro-Chemical Industries.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchSittingbourne, United KingdomHQ recorded Oct 22, 202651-20063 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 · Oct 22, 2026 · View company records in RevenueBase
8Exact matchSowerby Bridge, United KingdomHQ recorded Oct 22, 202651-20046 contacts →

Exact match

“Eurotank Service Group is a nationwide specialist contractor/consultant to the downstream petroleum industry.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchTamworth, United KingdomHQ recorded Oct 22, 202651-20031 contacts →

Exact match

“The UK’s leader in pipeline, vessel & structural repair solutions for global offshore/onshore oil and gas operations.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchCardiff, United KingdomHQ recorded Oct 22, 202611-5030 contacts →

Exact match

“Jemsar Engineering Limited is a focused, safe and cost effective business, aimed at supporting all major clients and contractors with maintenance and turnarounds around the UK.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchInverurie, United KingdomHQ recorded Oct 22, 202611-5029 contacts →

Exact match

“Metron Group Limited is an independent Engineering Service Company dedicated to improving platform reliability and hence overall production efficiency, in the Energy & Oil & Gas…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchBasildon, United KingdomHQ recorded Oct 22, 202651-20024 contacts →

Exact match

“Founded in 1970, GR Carr (Essex) Ltd.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchChesterfield, United KingdomHQ recorded Oct 22, 202611-5022 contacts →

Exact match

“Multiplex have over 3 decades of experience within UK Industry, specialising in providing aftermarket service and repair solutions.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchEdinburgh, United KingdomHQ recorded Oct 22, 202611-5022 contacts →

Exact match

“Fleet Oil Limited is a specialist Oilfield Chemistry Consultancy providing solutions to Oil Services companies and Production Operators globally.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchNantwich, United KingdomHQ recorded Oct 22, 202611-5021 contacts →

Exact match

“ProDecon is a leading provider of turnkey chemical cleaning, refinery decontamination and pre-commissioning cleaning services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchGuildford, United KingdomHQ recorded Oct 22, 202651-20017 contacts →

Exact match

“CORMAT Group – ISO 9001:2015 & ISO 45001:2018 Certified.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchCanvey Island, United KingdomHQ recorded Oct 22, 202611-5016 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 · Oct 22, 2026 · View company records in RevenueBase
18Exact matchRayleigh, United KingdomHQ recorded Oct 22, 202611-5016 contacts →

Exact match

“A globally unique company providing bespoke, research driven, international services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchBurton On Trent, United KingdomHQ recorded Oct 22, 202651-20016 contacts →

Exact match

“Hi-tech Fabrication Ltd is a mechanical or industrial engineering company based out of Bretby Business Park, Bretby, Burton On Trent, United Kingdom.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchHull, United KingdomHQ recorded Oct 22, 202611-5015 contacts →

Exact match

“Since 2006 Petrotech have specialised in industrial services across a range of maintenance and contracts along with reactive remedial works primarily to the Petrochemical, Power…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchBelfast, United KingdomHQ recorded Oct 22, 202611-5013 contacts →

Exact match

“FIN provides a single source of industrial maintenance and engineering services to clients throughout the water/wastewater, manufacturing, petrochem, food & drink and pharma…”

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

Exact match

“Established in 1969, our client base extends to all sectors of industrial processes and manufacturing, and includes many ‘Blue Chip’ global organisations.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchNorwich, United KingdomHQ recorded Oct 22, 202611-5012 contacts →

Exact match

“Falcon Global serves major oil companies, engineering contractors and shipbuilders as consultants and contractors.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchTruro, United KingdomHQ recorded Oct 22, 202611-5011 contacts →

Exact match

“With over 40 years’ providing engineered solutions to the industrial and marine fuel and oil industries, from storage tank maintenance to decommissioning, fuel testing to fuel…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchAberdeen, United KingdomHQ recorded Oct 22, 202611-5011 contacts →

Exact match

“EOS Europe Ltd (EOS) deliver a range of specialist services to the oil and gas industry, specifically focusing on the offshore drilling and production markets.”

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

Showing 25 of 113 oil refinery maintenance contractors based in the United Kingdom

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Oil refinery maintenance contractors based in the United Kingdom at a glance

As of Oct 22, 2026
21.5%Verified-email coverage
34.5Average contacts per company
11-50Median size (employees)
9.7%Largest-city concentration · London
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
41
51-200
17
201-500
3
1,001-5,000
3
10001+
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 113 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 “oil refinery 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 837 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 “oil refinery maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil refinery maintenance contractors are there based in the United Kingdom?

RevenueBase identified 113 company matches for oil refinery maintenance contractors 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?

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

Which city has the most oil refinery maintenance contractors?

London leads with 11 company records, followed by Aberdeen (7) and Manchester (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 837 professional contacts with verified work emails tracked across these 113 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 113 oil refinery maintenance contractors 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.