Company lists · Data refreshed September 2026

Top 13 Midstream energy infrastructure contractors based in the United Kingdom

Name: Midstream energy infrastructure 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 32 companies tracked

RevenueBase identified 32 midstream energy infrastructure contractors headquartered in the United Kingdom as of September 2026 and tracks 1,800 professional contacts across them, including 572 with verified work emails. London is the largest hub.

This list covers midstream energy infrastructure contractors headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

32Companies

1,800Contacts tracked

572Verified emails

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The 13 largest midstream energy infrastructure contractors based in the United Kingdom

Ranked by team size

Top 13 of 32 midstream energy infrastructure contractors based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to midstream energy infrastructure contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Altera Infrastructure	Strong evidence	Aberdeenshire, United KingdomHQ checked Sep 17, 2026	501-1,000	955 contacts →
	Strong evidence “Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.” Source: RevenueBase Database · checked Sep 17, 2026
2	Radius Systems	Partial evidence	South Normanton, United KingdomHQ checked Sep 17, 2026	201-500	195 contacts →
	Partial evidence “Part of Radius Group Holdings, Radius Systems is proud to be the pipeline experts for the gas, water, energy, power and telecoms sectors.” Source: RevenueBase Database · checked Sep 17, 2026
3	Derrick Services UK LTD	Indirect evidence	Great Yarmouth, United KingdomHQ checked Sep 17, 2026	51-200	111 contacts →
	Indirect evidence “Derrick Service UK Ltd (DSL) is a diversified oil & gas construction company which provides a broad range of products and services to the market from our Worldwide locations.” Source: RevenueBase Database · checked Sep 17, 2026
4	STS Marine Solutions	Partial evidence	Sunderland, United KingdomHQ checked Sep 17, 2026	201-500	55 contacts →
	Partial evidence “STS Marine Solutions is a specialist provider of marine services supporting global energy logistics across oil, LNG and emerging clean fuel markets.” Source: RevenueBase Database · checked Sep 17, 2026
5	Land And Marine Engineering Limited	Indirect evidence	Bromborough, United KingdomHQ checked Sep 17, 2026	201-500	52 contacts →
	Indirect evidence “Land and Marine Engineering Limited, a part of the Murphy Group of companies is an international engineering and construction company.” Source: RevenueBase Database · checked Sep 17, 2026
6	Inactive	Strong evidence	Warrington, United KingdomHQ checked Sep 17, 2026	201-500	49 contacts →
	Strong evidence “United Living Energy specialises in the construction of oil and gas transmission pipelines and associated network infrastructure.” Source: RevenueBase Database · checked Sep 17, 2026
7	OSL Consulting Engineers	Partial evidence	Hull, United KingdomHQ checked Sep 17, 2026	51-200	41 contacts →
	Partial evidence “OSL is a multi-disciplined team of creative, forward thinking technical specialists, working collaboratively with the energy and related sectors to provide quality implemented…” Source: RevenueBase Database · checked Sep 17, 2026
8	Kistos	Partial evidence	London, United KingdomHQ checked Sep 17, 2026	51-200	32 contacts →
	Partial evidence “Kistos is a high-growth, agile integrated energy company focused on unlocking value across its portfolio and through disciplined, value-accretive M&A.” Source: RevenueBase Database · checked Sep 17, 2026
9	Prestige Pipelaying JV LTD	Partial evidence	March, United KingdomHQ checked Sep 17, 2026	201-500	29 contacts →
	Partial evidence “Welcome to Prestige Pipelaying LTD, a distinguished industry leader in the provision of essential infrastructure services within the United Kingdom.” Source: RevenueBase Database · checked Sep 17, 2026
10	Petro GAS LLP	Indirect evidence	London, United KingdomHQ checked Sep 17, 2026	501-1,000	28 contacts →
	Indirect evidence “PetroGas” Company was founded in 1998.” Source: RevenueBase Database · checked Sep 17, 2026
11	North SEA Midstream Partners	Strong evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	11-50	27 contacts →
	Strong evidence “North Sea Midstream Partners (“NSMP” ”) is a privately-owned business that was formed in 2012 to pursue midstream infrastructure opportunities in the North Sea.” Source: RevenueBase Database · checked Sep 17, 2026
12	P&h Pipelines & Services Limited	Strong evidence	Warrington, United KingdomHQ checked Sep 17, 2026	11-50	9 contacts →
	Strong evidence “We were established in 1987 as a cross-country pipelines contractor and have developed into an organisation that provides high quality support to water infrastructure clients…” Source: RevenueBase Database · checked Sep 17, 2026
13	Ancala Midstream	Strong evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	11-50	7 contacts →
	Strong evidence “Ancala Midstream Acquisitions Limited is an independent operator of complex midstream gas infrastructure.” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: midstream energy infrastructure contractors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names midstream energy infrastructure contractors.
Partial evidence: Its own public description names part of midstream energy infrastructure contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name midstream energy infrastructure contractors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 13 of 32 midstream energy infrastructure contractors based in the United Kingdom

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Midstream energy infrastructure contractors based in the United Kingdom at a glance

As of Sep 17, 2026

31.8%Verified-email coverage

56.2Average contacts per company

11-50Median size (employees)

12.5%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

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 32 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among midstream energy infrastructure contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “midstream energy infrastructure contractors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names midstream energy infrastructure contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among midstream energy infrastructure contractors, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 572 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names midstream energy infrastructure contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many midstream energy infrastructure contractors are there based in the United Kingdom?

RevenueBase identified 32 midstream energy infrastructure contractors headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Altera Infrastructure, headquartered in Prospect Park, tops this list with the largest team on record.

Which city has the most midstream energy infrastructure contractors?

London leads with 4 headquartered companies, followed by Aberdeen (2) and Warrington (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 572 verified decision-maker contacts tracked across these 32 companies.

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 Smart Search, 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.