Company lists · Data refreshed September 2026

Top 25 Offshore wind installation contractors based in Norway

Name: Offshore wind installation contractors based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 75 companies tracked

RevenueBase identified 75 company matches for offshore wind installation contractors associated with Norway as of September 2026 and tracks 3,459 professional contacts across them, including 1,197 with verified work emails. Oslo is the largest hub.

This list covers company matches for offshore wind installation contractors associated with Norway, 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

75Companies

3,459Contacts tracked

1,197Verified emails

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The 25 largest offshore wind installation contractors based in Norway

Ranked by team size

Top 25 of 75 company matches for offshore wind installation contractors based in Norway, 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	Seaway7	Exact match	Oslo, NorwayHQ recorded Sep 17, 2026	501-1,000	1,205 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 · Sep 17, 2026 · View company records in RevenueBase
2	Global Maritime	Exact match	Stavanger, NorwayHQ recorded Sep 17, 2026	201-500	472 contacts →
	Exact match “Global Maritime delivers integrated marine solutions for a changing offshore world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Ocean Installer	Exact match	Stavanger, NorwayHQ recorded Sep 17, 2026	201-500	299 contacts →
	Exact match “Ocean Installer is a leading marine construction company that specializes in offshore installation services with more than 15 years of experience delivering large and complex…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Fred. Olsen Windcarrier	Exact match	Oslo, NorwayHQ recorded Sep 17, 2026	51-200	234 contacts →
	Exact match “Fred.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Edda Wind	Exact match	Haugesund, NorwayHQ recorded Sep 17, 2026	51-200	137 contacts →
	Exact match “Edda Wind has been dissolved and is no longer operating as of May 2026.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Integrated Wind Solutions ASA	Exact match	Oslo, NorwayHQ recorded Sep 17, 2026	11-50	119 contacts →
	Exact match “Integrated Wind Solutions ASA aims to become a leading integrated provider of offshore wind services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Havfram	Exact match	Oslo, NorwayHQ recorded Sep 17, 2026	51-200	88 contacts →
	Exact match “Havfram is a pure play offshore wind company, providing transport and installation services to the offshore wind sector as an owner and operator of Wind Turbine Installation…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Norwind Offshore	Exact match	Ålesund, NorwayHQ recorded Sep 17, 2026	11-50	81 contacts →
	Exact match “Purpose-built vessels, designed specifically for advanced maritime operations in the development and service of the offshore wind market.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Moss Maritime	Exact match	Lysaker, NorwayHQ recorded Sep 17, 2026	51-200	65 contacts →
	Exact match “Moss Maritime provides leading technology and expertise within design and engineering services to the offshore energy sector as well as other ocean-based sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Vårgrønn	Exact match	Stavanger, NorwayHQ recorded Sep 17, 2026	11-50	56 contacts →
	Exact match “Vårgrønn is an agile, Norway-based offshore wind company powering the energy transition through development, construction, operation, and ownership of offshore wind energy and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Semar AS	Exact match	Lysaker, NorwayHQ recorded Sep 17, 2026	11-50	52 contacts →
	Exact match “Semar was founded in 1980 as an independent engineering consultant firm devoted primarily to the offshore oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Subseadesign AS	Exact match	Lierbyen, NorwayHQ recorded Sep 17, 2026	51-200	47 contacts →
	Exact match “SubseaDesign (SD) is an engineering, design and fabrication company providing equipment and services for the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Inocean	Exact match	Sentrum, NorwayHQ recorded Sep 17, 2026	51-200	29 contacts →
	Exact match “Inocean delivers design, engineering- and project management services, and cover Oil & Gas as well as the Renewable Industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Deep Wind Offshore	Exact match	Haugesund, NorwayHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Deep Wind Offshore skal utvikle og generere fornybar energi, og vi har eiere som ønsker vekst i sektoren.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Kongstein	Exact match	Bergen, NorwayHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “WHO are we?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Aquastructures AS	Exact match	Trondheim, NorwayHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Aquastructures is recognized and acknowledged as an innovative and leading engineering house, establishing long term client relations, finding viable and sustainable technical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Noble Installation AS	Exact match	Rudskogen, NorwayHQ recorded Sep 17, 2026	51-200	23 contacts →
	Exact match “Om NOBLE INSTALLATION AS: Heleid datterselskap av Noble AS, etablert i Vår virksomhet er innenfor marine operasjoner, offshore installasjon, mekanisk montasje og produksjon.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Kvenna	Exact match	Ålesund, NorwayHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Kvenna is located in the beautiful city of Aalesund, Norway.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Fram Marine AS	Exact match	Skøyen, NorwayHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “By combining years of experience in Project Execution and Management with Technical and Operational expertise in Marine, Energy and Renewable industry, Fram Marine is dedicated to…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Norwegian Offshore Wind	Exact match	Haugesund, NorwayHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “Norwegian offshore wind is the largest representative offshore wind body in Norway with the overall mission to develop world leading supply chains within floating wind.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Windstaller Alliance AS	Exact match	Lysaker, NorwayHQ recorded Sep 17, 2026	n/a	16 contacts →
	Exact match “Windstaller Alliance is combining the expertise of three offshore industry leaders to deliver an integrated and highly flexible offering of products, fabrication services, subsea…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	NEDIG	Exact match	Arendal, NorwayHQ recorded Sep 17, 2026	51-200	16 contacts →
	Exact match “Nedig er et elektroinstallasjonsfirma med over 60 ansatte, som er lokalisert i Arendal.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Hyndla	Exact match	Flekkefjord, NorwayHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Hyndla is a part of Procon Wind Energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Meventus	Exact match	Kristiansand, NorwayHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Meventus is a renewable energy consultant and service company with offices in Norway and Sweden delivering services spanning the entire wind power project life cycle to customers…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Axess Industries	Exact match	Bergen, NorwayHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Lifting and material handling solutions” 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 “offshore wind installation contractors”. 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 75 offshore wind installation contractors based in Norway

See the full list, filter by size, metro and specialty, and access 1,197 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore wind installation contractors based in Norway at a glance

As of Sep 17, 2026

34.6%Verified-email coverage

46.1Average contacts per company

11-50Median size (employees)

25.3%Largest-city concentration · Oslo

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 75 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 Norway whose business descriptions match “offshore wind installation 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. 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 1,197 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 “offshore wind installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore wind installation contractors are there based in Norway?

RevenueBase identified 75 company matches for offshore wind installation contractors associated with Norway 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?

Seaway7 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most offshore wind installation contractors?

Oslo leads with 19 company records, followed by Stavanger (5) and Bergen (4).

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 1,197 professional contacts with verified work emails tracked across these 75 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.