Company lists · Data refreshed November 2026

Top 25 Offshore grid integration firms worldwide

RevenueBase identified 1,430 company matches for offshore grid integration firms worldwide as of November 2026 and tracks 83,246 professional contacts across them, including 22,189 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for offshore grid integration firms worldwide, 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 November 6, 2026. Country and city lists for offshore grid integration firms follow the table.

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 Nov 6, 2026 How this list was built
1,430Companies
83,246Contacts tracked
22,189Verified emails
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The 25 largest offshore grid integration firms worldwide

Ranked by team size
Top 25 of 1,430 company matches for offshore grid integration firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMilan, ItalyHQ recorded Nov 6, 202610001+36,899 contacts →

Exact match

“Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSharjah, United Arab EmiratesHQ recorded Nov 6, 20265,001-10,0006,498 contacts →

Exact match

“With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMacaé, BrazilHQ recorded Nov 6, 20261,001-5,0003,117 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNanterre, FranceHQ recorded Nov 6, 20265,001-10,0002,108 contacts →

Exact match

“With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 20265,001-10,0001,929 contacts →

Exact match

“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact match11510 Puerto Real, SpainHQ recorded Nov 6, 20261,001-5,0001,579 contacts →

Exact match

“Founded in 1972, Dragados Offshore S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAberdeenshire, United KingdomHQ recorded Nov 6, 2026501-1,000972 contacts →

Exact match

“Altera Infrastructure is a leading global energy infrastructure services group focused on the ownership and operation of offshore energy assets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAbu Dhabi Uae, SingaporeHQ recorded Nov 6, 20261,001-5,000945 contacts →

Exact match

“We are a leading provider of integrated marine solutions driving the global transformation to sustainable energy by delivering impact where it matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCopenhagen V, DenmarkHQ recorded Nov 6, 20261,001-5,000913 contacts →

Exact match

“Cadeler is a pure-play offshore wind installation partner and the global leader in turbine transport and installation, operating the world’s largest fleet of heavy-lift jack-up…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000760 contacts →

Exact match

“Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLeeds, United KingdomHQ recorded Nov 6, 20261,001-5,000740 contacts →

Exact match

“Freedom is a leading provider of facilities and power engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026501-1,000716 contacts →

Exact match

“Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLittleport, United StatesHQ recorded Nov 6, 2026501-1,000632 contacts →

Exact match

“JDR Cable Systems, part of the TFKable Group, is a global provider of power and control solutions for the offshore energy market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMohali, IndiaHQ recorded Nov 6, 2026501-1,000558 contacts →

Exact match

“HARTEK, established in 1991, is a leading Engineering, Procurement, and Construction (EPC) company with operations across the energy value chain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBelfast, United KingdomHQ recorded Nov 6, 2026501-1,000400 contacts →

Exact match

“Omexom in the United Kingdom and Republic of Ireland is the VINCI Energies brand dedicated to the Generation, Transmission, and Distribution of electricity as well as the design…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHessle, United KingdomHQ recorded Nov 6, 202651-200386 contacts →

Exact match

“Boston Energy is a specialist delivery partner to the offshore wind industry, supporting OEMs, Developers, Tier 1 contractors and vessel owners across the full wind farm lifecycle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRome, ItalyHQ recorded Nov 6, 2026501-1,000332 contacts →

Exact match

“CEBAT SpA is a leader in utility networks’ development and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWoking, United KingdomHQ recorded Nov 6, 2026201-500313 contacts →

Exact match

“2H Offshore delivers leading-edge advanced systems engineering for all types of offshore structures in the oil and gas and renewable energy sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWillow Grove, MA, United StatesHQ recorded Nov 6, 20261,001-5,000305 contacts →

Exact match

“Asplundh Engineering Services leverages more than 100 years of experience to provide a superior, single-point solution for engineering, design and testing services to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSchiedam, TX, NetherlandsHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“GustoMSC, part of NOV, provides offshore designs, reliable equipment and engineering solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 2026201-500267 contacts →

Exact match

“Hanab Energy Solutions delivers integrated services for future-proof high-voltage infrastructure, offering advice, engineering, design, installation, maintenance and optimization…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCumming, GA, United StatesHQ recorded Nov 6, 202651-200199 contacts →

Exact match

“RavenVolt Inc, An ABM Company provides turn-key microgrid solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNorthumberland, United KingdomHQ recorded Nov 6, 2026201-500198 contacts →

Exact match

“Osbit’s vision is to unlock a clean energy future by creating smarter technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCologne, GermanyHQ recorded Nov 6, 202651-200194 contacts →

Exact match

“envelio - Supporting the smarter, faster evolution of your power grid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNorwich, United KingdomHQ recorded Nov 6, 20261,001-5,000193 contacts →

Exact match

“Acteon delivers data-driven, engineering-led solutions across the lifecycle of offshore energy infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,430 offshore grid integration firms worldwide

See the full list, filter by size, metro and specialty, and access 22,189 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore grid integration firms worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
58.2Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
663
11-50
474
51-200
186
201-500
41
501-1,000
20
1,001-5,000
18
5,001-10,000
5
10001+
7

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for offshore grid integration firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore grid integration firms” 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. 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 22,189 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 November 6, 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.

Offshore grid integration firms by location

12 lists · largest first

Every Offshore grid integration firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “offshore grid integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore grid integration firms are there worldwide?

RevenueBase identified 1,430 company matches for offshore grid integration firms worldwide as of November 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?

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

Which country has the most offshore grid integration firms?

The United Kingdom leads with 268 companies, followed by the United States (137) and Germany (90). Every offshore grid integration firms list by country and city is linked on this page.

Which city has the most offshore grid integration firms?

London leads with 41 company records, followed by Hamburg (19) and Houston (10).

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 22,189 professional contacts with verified work emails tracked across these 1,430 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 November 6, 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.