Company lists · Data refreshed November 2026

Top 25 Offshore wind contractors worldwide

RevenueBase identified 2,364 company matches for offshore wind contractors worldwide as of November 2026 and tracks 205,299 professional contacts across them, including 50,302 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for offshore wind contractors 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 wind contractors 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
2,364Companies
205,299Contacts tracked
50,302Verified emails
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The 25 largest offshore wind contractors worldwide

Ranked by team size
Top 25 of 2,364 company matches for offshore wind contractors 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 matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+21,606 contacts →

Exact match

“McDermott is a premier provider of engineering and construction solutions to the energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20265,001-10,0009,397 contacts →

Exact match

“SBM Offshore is the world’s deepwater ocean-infrastructure expert.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFredericia, United StatesHQ recorded Nov 6, 20265,001-10,0007,417 contacts →

Exact match

“Ørsted is the global leader in offshore wind power and is one of the largest renewable energy companies in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchBeveren-kruibeke-zwijndrecht, BelgiumHQ recorded Nov 6, 20265,001-10,0004,731 contacts →

Exact match

“DEME (Euronext Brussels: DEME) is a leading contractor in the fields of offshore energy, dredging and marine infrastructure, and environmental remediation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchMenasha, WI, United StatesHQ recorded Nov 6, 20265,001-10,0002,999 contacts →

Exact match

“Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLeiden, NetherlandsHQ recorded Nov 6, 20261,001-5,0002,841 contacts →

Exact match

“Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChâtel-saint-denis, United StatesHQ recorded Nov 6, 20261,001-5,0002,837 contacts →

Exact match

“Allseas is a world-leading contractor in the offshore energy market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 20261,001-5,0002,752 contacts →

Exact match

“Malaysia Marine and Heavy Engineering Holdings Berhad (MHB) is a globally trusted energy and marine solutions provider for a wide range of offshore and onshore facilities and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrownsville, PA, United StatesHQ recorded Nov 6, 202610001+2,607 contacts →

Exact match

“Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchEsbjerg, DenmarkHQ recorded Nov 6, 20261,001-5,0002,116 contacts →

Exact match

“To fulfil the vision of a fossil-free future, we need conventional and renewable energy sources to coexist effectively until the day when renewables can fully keep the world…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFranceHQ recorded Nov 6, 20265,001-10,0001,953 contacts →

Exact match

“The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFredericia, DenmarkHQ recorded Nov 6, 20261,001-5,0001,711 contacts →

Exact match

“Muehlhan Wind Service is a leading full-scope independent service provider delivering wind turbine installation and Operations & Maintenance solutions to wind energy clients in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOslo, NorwayHQ recorded Nov 6, 20261,001-5,0001,607 contacts →

Exact match

“DeepOcean is a technology-driven, independent solution provider in the ocean space.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchFredericia, DenmarkHQ recorded Nov 6, 20261,001-5,0001,473 contacts →

Exact match

“Global Wind Service (GWS) is one of the largest companies in Europe offering onshore and offshore installation and servicing of wind turbines around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchVejle, DenmarkHQ recorded Nov 6, 20261,001-5,0001,388 contacts →

Exact match

“FairWind is a leading provider of one-stop solutions for the installation and service of onshore and offshore wind turbines throughout the world, having worked in more than 40…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFortaleza, BrazilHQ recorded Nov 6, 20261,001-5,0001,374 contacts →

Exact match

“O Grupo Cosampa vem conquistando espaço no mercado, através da prestação de serviços com qualidade e excelência, nas áreas de construção civil, engenharia elétrica e energias…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026201-5001,344 contacts →

Exact match

“(Underwater Engineering) S.A.L was established in 1976.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOslo, NorwayHQ recorded Nov 6, 2026501-1,0001,254 contacts →

Exact match

“Seaway7 Seaway7 is a global leader in the delivery of offshore wind projects, committed to contributing to an efficient and sustainable energy supply for the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNatal, BrazilHQ recorded Nov 6, 20261,001-5,0001,177 contacts →

Exact match

“A SIMM EMPREENDIMENTOS S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFargo, TX, United StatesHQ recorded Nov 6, 20261,001-5,000977 contacts →

Exact match

“Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 2,364 offshore wind contractors worldwide

See the full list, filter by size, metro and specialty, and access 50,302 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore wind contractors worldwide at a glance

As of Nov 6, 2026
24.5%Verified-email coverage
86.8Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
787
11-50
799
51-200
428
201-500
159
501-1,000
66
1,001-5,000
70
5,001-10,000
15
10001+
19

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 wind contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore wind 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. 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 50,302 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 wind contractors by location

20 lists · largest first

Every Offshore wind contractors 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 wind contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore wind contractors are there worldwide?

RevenueBase identified 2,364 company matches for offshore wind contractors 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 wind contractors?

The United Kingdom leads with 370 companies, followed by the United States (193) and Germany (166). Every offshore wind contractors list by country and city is linked on this page.

Which city has the most offshore wind contractors?

London leads with 48 company records, followed by Hamburg (41) and Aberdeen (32).

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 50,302 professional contacts with verified work emails tracked across these 2,364 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.