Company lists · Data refreshed September 2026

Top 25 Subsea equipment installation companies based in Norway

Name: Subsea equipment installation companies based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 159 companies tracked

RevenueBase identified 159 company matches for subsea equipment installation companies associated with Norway as of September 2026 and tracks 9,629 professional contacts across them, including 3,033 with verified work emails. Stavanger is the largest hub.

This list covers company matches for subsea equipment installation companies 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 22, 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 22, 2026 How this list was built

159Companies

9,629Contacts tracked

3,033Verified emails

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The 25 largest subsea equipment installation companies based in Norway

Ranked by team size

Top 25 of 159 company matches for subsea equipment installation companies based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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	DOF	Exact match	Bergen, NorwayHQ recorded Sep 22, 2026	5,001-10,000	2,942 contacts →
	Exact match “With a multi-national workforce of over 5,700 personnel, DOF is an international group of companies which owns and operates a fleet of modern offshore/subsea vessels, with an…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	AGR	Exact match	Oslo, NorwayHQ recorded Sep 22, 2026	501-1,000	768 contacts →
	Exact match “AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Mhwirth	Exact match	Kristiansand, NorwayHQ recorded Sep 22, 2026	1,001-5,000	560 contacts →
	Exact match “October 2021.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Island Offshore	Exact match	Ulsteinvik, NorwayHQ recorded Sep 22, 2026	501-1,000	501 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 22, 2026 · View company records in RevenueBase
5	Global Maritime	Exact match	Stavanger, NorwayHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
6	Reach Subsea	Exact match	Haugesund, NorwayHQ recorded Sep 22, 2026	201-500	454 contacts →
	Exact match “Reach Subsea ASA (“Reach Subsea”, “Reach” or “the Group”) is a prominent offshore contractor that offer high quality solutions and technology to clients in need of ocean data and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Eidesvik Offshore ASA	Exact match	Langevag, NorwayHQ recorded Sep 22, 2026	501-1,000	308 contacts →
	Exact match “Offshore Shipping Company.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Akofs Offshore	Exact match	Oslo, NorwayHQ recorded Sep 22, 2026	201-500	233 contacts →
	Exact match “AKOFS Offshore is a global provider of vessel based subsea well construction and intervention services to the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Omega Subsea	Exact match	Bergen, NorwayHQ recorded Sep 22, 2026	201-500	209 contacts →
	Exact match “Omega Subsea delivers ROV, survey, engineering, and subsea project services to the global offshore industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Imenco	Exact match	Aksdal, NorwayHQ recorded Sep 22, 2026	201-500	199 contacts →
	Exact match “Imenco is a group of companies working mainly in five main business areas: Offshore oil & gas, offshore renewables, aquaculture, marine & naval and industrial.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	IK Group	Exact match	Stavanger, NorwayHQ recorded Sep 22, 2026	51-200	123 contacts →
	Exact match “IK SUBSEA - IK TOPSIDE - IK TRAX - IZOMAX - NORCLAMP Our clever use of proven technology makes your flowlines and pipelines run safely and profitably.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	Havila Subsea & Renewables	Exact match	Aalesund, NorwayHQ recorded Sep 22, 2026	201-500	120 contacts →
	Exact match “Havila Subsea & Renewables operates an advanced fleet of vessels dedicated to Diving, Offshore Inspection, Repair, and Maintenance (IRM), as well as Construction.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Island Drilling Company AS	Exact match	Sandsli, NorwayHQ recorded Sep 22, 2026	51-200	114 contacts →
	Exact match “Island Drilling was established in 2006 by industry veterans and Island Offshore, the leading global player in well intervention, to build and own special purpose semi-submersible…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	NYMO	Exact match	Grimstad, NorwayHQ recorded Sep 22, 2026	201-500	105 contacts →
	Exact match “Nymo is a full-service engineering, procurement and construction company within the oil & gas and process industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Optime, A Halliburton Service	Exact match	Notodden, NorwayHQ recorded Sep 22, 2026	51-200	98 contacts →
	Exact match “Optime, A Halliburton Service is an innovative subsea oil and gas provider focusing on cost efficient solutions specifically towards products within the well access, well…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Level Offshore	Exact match	Haugesund, NorwayHQ recorded Sep 22, 2026	51-200	78 contacts →
	Exact match “Connecting Top Talent with Leading Offshore Companies.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Moss Maritime	Exact match	Lysaker, NorwayHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
18	Technip India Limited	Exact match	Sandvika, NorwayHQ recorded Sep 22, 2026	51-200	59 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Agility	Exact match	Skien, NorwayHQ recorded Sep 22, 2026	51-200	53 contacts →
	Exact match “A Trusted Partner in Subsea Technology.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Semar AS	Exact match	Lysaker, NorwayHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
21	Petrolink AS	Exact match	NorwayHQ recorded Sep 22, 2026	51-200	50 contacts →
	Exact match “Petrolink operates platforms, subsea installations and floating production units offshore, oil and gas terminals onshore, refineries and process plants including power plants and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Subseadesign AS	Exact match	Lierbyen, NorwayHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
23	NOR Offshore Rental	Exact match	Haugesund, NorwayHQ recorded Sep 22, 2026	11-50	47 contacts →
	Exact match “NOR wants a world where the offshore, subsea, and renewable industries share a common pool of state-of-the-art equipment, so that everything is efficient, cost effective, and more…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Wellconnection Group	Exact match	Stavanger, NorwayHQ recorded Sep 22, 2026	51-200	46 contacts →
	Exact match “WellConnection Group is the leading company within inspection, maintenance and repair services (IMR) for drilling and subsea equipment on the Norwegian Continental Shelf.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	RTS	Exact match	Åkrehamn, NorwayHQ recorded Sep 22, 2026	11-50	44 contacts →
	Exact match “RTS is a supplier of engineering solutions, equipment rental, product sales and personnel supply.” Recorded in the RevenueBase company graph · Sep 22, 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 “subsea equipment installation companies”. 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 159 subsea equipment installation companies based in Norway

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Subsea equipment installation companies based in Norway at a glance

As of Sep 22, 2026

31.5%Verified-email coverage

60.6Average contacts per company

11-50Median size (employees)

10.1%Largest-city concentration · Stavanger

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 159 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 “subsea equipment installation 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. 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 3,033 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 22, 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 “subsea equipment installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea equipment installation companies are there based in Norway?

RevenueBase identified 159 company matches for subsea equipment installation companies 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?

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

Which city has the most subsea equipment installation companies?

Stavanger leads with 16 company records, followed by Oslo (11) and Haugesund (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 3,033 professional contacts with verified work emails tracked across these 159 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 22, 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.