Company lists · Data refreshed September 2026

Top 25 Petrochemical plant builders based in the United Kingdom

Name: Petrochemical 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 Sep 17, 2026 80 companies tracked

RevenueBase identified 80 company matches for petrochemical plant builders associated with the United Kingdom as of September 2026 and tracks 2,680 professional contacts across them, including 756 with verified work emails. London is the largest hub.

This list covers company matches for petrochemical 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 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

80Companies

2,680Contacts tracked

756Verified emails

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The 25 largest petrochemical plant builders based in the United Kingdom

Ranked by team size

Top 25 of 80 company matches for petrochemical plant builders 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	Ineos Grangemouth	Exact match	Grangemouth, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	466 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 · Sep 17, 2026 · View company records in RevenueBase
2	NEXOS	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	501-1,000	446 contacts →
	Exact match “A new breed of engineering, procurement and construction (EPC) provider that is turning next-gen energy into operational reality, through innovative solutions, partnerships and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Claxton Engineering Services	Exact match	Great Yarmouth, United KingdomHQ recorded Sep 17, 2026	201-500	279 contacts →
	Exact match “Claxton, an AF Gruppen Company, combines decades of industry experience, proprietary technology, and exceptional service quality to cut through offshore installation and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Ledwood Mechanical Engineering LTD	Exact match	Pembrokeshire, United KingdomHQ recorded Sep 17, 2026	501-1,000	266 contacts →
	Exact match “Ledwood is an independent engineering, fabrication and construction company specialising in the delivery of complex projects across the oil, gas, process and energy industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Wilton Engineering	Exact match	Middlesbrough, United KingdomHQ recorded Sep 17, 2026	201-500	188 contacts →
	Exact match “Wilton Engineering is a multi-disciplined Engineering Services provider based on a 113 acre site by the River Tees in Middlesbrough, North-East England.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Enka UK Construction Limited	Exact match	London, United KingdomHQ recorded Sep 17, 2026	10001+	104 contacts →
	Exact match “ENKA UK Construction Limited is a commercial real estate company based out of 7 Henrietta Street C/O Redfern Legal LLP, London, United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Copius Group	Exact match	Newtownabbey, United KingdomHQ recorded Sep 17, 2026	201-500	81 contacts →
	Exact match “Copius Group is a premier provider of construction and engineering services, delivering comprehensive solutions for offshore and onshore projects across the globe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	K Home International	Exact match	Stockton-on-tees, United KingdomHQ recorded Sep 17, 2026	51-200	80 contacts →
	Exact match “With over 50 years of continued success, K Home International (KHI) is a family-owned, multi-discipline engineering design and construction company, based in Thornaby…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	JBA Engineering	Exact match	Wynyard, United KingdomHQ recorded Sep 17, 2026	11-50	63 contacts →
	Exact match “JBA are industry-leading consultants, providing flexible engineering and design solutions, procurement, and construction services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Simon Carves	Exact match	Manchester, United KingdomHQ recorded Sep 17, 2026	51-200	44 contacts →
	Exact match “Simon Carves Engineering is a full-service Process Engineering Contractor, providing a comprehensive range of services to the Process and Energy industries worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Quanta EPC	Exact match	Cramlington, United KingdomHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “Quanta delivers engineering, procurement and construction services to the energy industry, working in partnership with our clients to provide integrated end to end solutions…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	OSL Consulting Engineers	Exact match	Hull, United KingdomHQ recorded Sep 17, 2026	51-200	41 contacts →
	Exact match “OSL is a multi-disciplined team of creative, forward thinking technical specialists, working collaboratively with the energy and related sectors to provide quality implemented…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Enerfac Solutions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “Enerfac Solutions is a global leader in Engineering, Procurement, Construction, and Commissioning (EPCC), delivering innovative, reliable, and technologically advanced services…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Flotech Performance Systems	Exact match	Chichester, United KingdomHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “Flotech Performance Systems is a manufacturer and turnkey solutions provider to the Petrochemical, Process and Energy sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	DLT Engineering LTD	Exact match	Higham Ferrers, United KingdomHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “We develop, manufacture and operate the specialist technology for modular construction of bridges, dams, refineries, power stations, offshore structures, buildings and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Eesb Engineering Limited	Exact match	Birkenhead, United KingdomHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Chem Resist Group LTD	Exact match	Dewsbury, United KingdomHQ recorded Sep 17, 2026	51-200	28 contacts →
	Exact match “Chem Resist Group is one of Europe’s leading design and manufacturing specialist in the field of Thermoplastic Process Plant.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Enisca	Exact match	Cookstown, United KingdomHQ recorded Sep 17, 2026	51-200	28 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 · Sep 17, 2026 · View company records in RevenueBase
19	Petro GAS LLP	Exact match	London, United KingdomHQ recorded Sep 17, 2026	501-1,000	28 contacts →
	Exact match “PetroGas” Company was founded in 1998.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	AIM Group	Exact match	Falkirk, United KingdomHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “AIM Group are an engineering, fabrication and construction service provider to a range of sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	AXI	Exact match	Hull, United KingdomHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Axi was founded by industry experienced professionals with expertise in engineering, design, projects, and operations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Ponticelli UK	Exact match	Aberdeen, United KingdomHQ recorded Sep 17, 2026	501-1,000	13 contacts →
	Exact match “Ponticelli have over 100 years’ experience delivering industrial scale ENGINEERING, CONSTRUCTION and MAINTENANCE contracts for international clients, employing over people…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Forge House Group LTD	Exact match	Darlington, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Forge House Group Ltd is a long established, multi-disciplined engineering company based in Darlington.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Clarke Construction Services Limited	Exact match	Lichfield, United KingdomHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “At Clarke Construction (Services) Limited we specialise in construction within the petroleum industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Puma Engineering & Construction LTD	Exact match	Southampton, United KingdomHQ recorded Sep 17, 2026	51-200	8 contacts →
	Exact match “Established in the year our workshops and offices are located in Southampton, Hampshire.” 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 “petrochemical 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 80 petrochemical plant builders based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 756 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Petrochemical plant builders based in the United Kingdom at a glance

As of Sep 17, 2026

28.2%Verified-email coverage

33.5Average contacts per company

11-50Median size (employees)

17.5%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

10001+

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 80 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 “petrochemical 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 756 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 “petrochemical plant builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 80 company matches for petrochemical plant builders 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?

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

Which city has the most petrochemical plant builders?

London leads with 14 company records, followed by Aberdeen (4) and Birmingham (2).

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 756 professional contacts with verified work emails tracked across these 80 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.