Company lists · Data refreshed September 2026

Top 25 Offshore wind maintenance companies worldwide

RevenueBase identified 1,972 company matches for offshore wind maintenance companies worldwide as of September 2026 and tracks 115,826 professional contacts across them, including 22,704 with verified work emails. The United Kingdom is the largest market and Singapore the largest hub.

This list covers company matches for offshore wind maintenance companies 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 September 20, 2026. Country and city lists for offshore wind maintenance companies 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 Sep 20, 2026 How this list was built
1,972Companies
115,826Contacts tracked
22,704Verified emails
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The 25 largest offshore wind maintenance companies worldwide

Ranked by team size
Top 25 of 1,972 company matches for offshore wind maintenance companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 Sep 20, 202610001+34,095 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 · Sep 20, 2026 · View company records in RevenueBase
2Exact matchMacaé, BrazilHQ recorded Sep 20, 20261,001-5,0002,752 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchPaso Robles, CA, United StatesHQ recorded Sep 20, 20261,001-5,0002,620 contacts →

Exact match

“PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchChâtel-saint-denis, SwitzerlandHQ recorded Sep 20, 20261,001-5,0002,554 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchDaxing District, ChinaHQ recorded Sep 20, 202610001+2,392 contacts →

Exact match

“As a reliable global strategic partner in clean energy, Goldwind is committed Driving a Renewable Future and centering its business on Ecology-Oriented Development+ENERGY industry…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchAl-khobar, Saudi ArabiaHQ recorded Sep 20, 20261,001-5,0002,312 contacts →

Exact match

“Zamil Offshore Services Company has been offering diversified offshore and marine support services to the oil and gas industry since 1977.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 20, 20261,001-5,0001,706 contacts →

Exact match

“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchFredericia, DenmarkHQ recorded Sep 20, 20261,001-5,0001,438 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 · Sep 20, 2026 · View company records in RevenueBase
9Exact matchIkast, DenmarkHQ recorded Sep 20, 20261,001-5,0001,423 contacts →

Exact match

“KK Wind Solutions is a dedicated greentech company with more than 35 years of experience in electrical systems for wind turbines.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Sep 20, 2026201-5001,407 contacts →

Exact match

“With more than 50 years of legacy, Maersk Supply Service celebrates a new important milestone: from November 1st, our headquarters are officially located in Brazil.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchFredericia, DenmarkHQ recorded Sep 20, 20261,001-5,0001,393 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 · Sep 20, 2026 · View company records in RevenueBase
12Exact matchOslo, NorwayHQ recorded Sep 20, 20261,001-5,0001,375 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchVejle, DenmarkHQ recorded Sep 20, 20261,001-5,0001,252 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 · Sep 20, 2026 · View company records in RevenueBase
14Exact matchEsbjerg, DenmarkHQ recorded Sep 20, 20261,001-5,000751 contacts →

Exact match

“ESVAGT was founded in 1981 with the purpose of making the sea a safe place to work.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchCopenhagen V, DenmarkHQ recorded Sep 20, 20261,001-5,000750 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 · Sep 20, 2026 · View company records in RevenueBase
16Exact matchVejle, DenmarkHQ recorded Sep 20, 2026501-1,000640 contacts →

Exact match

“Flex Wind began as a company focused on wind turbine installation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchViman Nagar, IndiaHQ recorded Sep 20, 2026501-1,000587 contacts →

Exact match

“RENOM describes itself as the India's first independent service provider, handling MW-class turbines and providing comprehensive O&M services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchPorto, PortugalHQ recorded Sep 20, 2026501-1,000564 contacts →

Exact match

“Advanced diagnosis of faults of the whole type of electrical systems Commissioning of wind turbines Troubleshooting during the different lifetime periods of wind turbines…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 20, 2026501-1,000512 contacts →

Exact match

“GMS operates a modern fleet of highly versatile self-propelled lift boats, across international markets.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchUlsteinvik, NorwayHQ recorded Sep 20, 2026501-1,000501 contacts →

Exact match

“Island Offshore - The Island Offshore Group is a leading provider of services to the offshore industry ranging from Platform Supply, Walk-to-work and Anchor Handling to Advanced…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchAarhus, DenmarkHQ recorded Sep 20, 2026201-500488 contacts →

Exact match

“Leading global renewable energy inspection, repair and maintenance service provider for wind turbine manufacturers and wind farm owners, providing services and expertise to all…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchCopenhagen, DenmarkHQ recorded Sep 20, 2026201-500462 contacts →

Exact match

“We are unlocking the full potential of offshore wind to power the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchPamplona, SpainHQ recorded Sep 20, 2026501-1,000441 contacts →

Exact match

“TETRACE es un Grupo Empresarial dedicado a ingeniería, construcción y mantenimiento de activos renovables, constituido en 2010.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchHull, United KingdomHQ recorded Sep 20, 2026501-1,000440 contacts →

Exact match

“GEV Wind Power is the global leading wind turbine maintenance & repair specialist.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchHamburg, GermanyHQ recorded Sep 20, 20261,001-5,000437 contacts →

Exact match

“In 26 years, the power of wind has never ceased to fascinate us.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 1,972 offshore wind maintenance companies worldwide

See the full list, filter by size, metro and specialty, and access 22,704 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore wind maintenance companies worldwide at a glance

As of Sep 20, 2026
19.6%Verified-email coverage
58.7Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Singapore
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
683
11-50
715
51-200
346
201-500
129
501-1,000
39
1,001-5,000
42
5,001-10,000
2
10001+
8

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 maintenance companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore wind maintenance companies” 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 22,704 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 20, 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 maintenance companies by location

16 lists · largest first

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

Countries

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 maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore wind maintenance companies are there worldwide?

RevenueBase identified 1,972 company matches for offshore wind maintenance companies worldwide 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?

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 maintenance companies?

The United Kingdom leads with 212 companies, followed by the United States (167) and Germany (127). Every offshore wind maintenance companies list by country and city is linked on this page.

Which city has the most offshore wind maintenance companies?

Singapore leads with 35 company records, followed by Houston (24) and Istanbul (23).

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 22,704 professional contacts with verified work emails tracked across these 1,972 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 20, 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.