Company lists · Data refreshed November 2026

Top 24 Subsea network installation companies based in Norway

RevenueBase identified 41 company matches for subsea network installation companies associated with Norway as of November 2026 and tracks 2,213 professional contacts across them, including 874 with verified work emails. Oslo is the largest hub.

This list covers company matches for subsea network 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 November 6, 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 Nov 6, 2026 How this list was built
41Companies
2,213Contacts tracked
874Verified emails
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The 24 largest subsea network installation companies based in Norway

Ranked by team size
Top 24 of 41 company matches for subsea network installation companies based in Norway, 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 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
2Exact matchNotodden, NorwayHQ recorded Nov 6, 202651-200122 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSkien, NorwayHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“A Trusted Partner in Subsea Technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBergen, NorwayHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Swire Seabed provides a highly flexible range of integrated subsea services to the global Oil & Gas and renewables industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHaugesund, NorwayHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Diving & maintenance contractor operating worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLierskogen, NorwayHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Benestad is a leading manufacturer of electrical penetrator & connection systems for subsea oil & gas industry and defense industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSandnes, NorwayHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Allton is a Technology & Service company that specialises in Ocean Bottom Node data acquisition for Hydrocarbon Exploration and Production (E&P), CO2 Measurement Monitoring and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBergen, NorwayHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“For over 35 years, oil companies have relied on UNITECH Energy Group to help them improve the safety, reliability and efficiency of their subsea systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBryne, NorwayHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“FOX Subsea is an integrated service and expertise for SPS-contractors' total scope of work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchKolltveit, NorwayHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Valen Marina AS er en sjøentreprenør som har sitt virke innenfor dykke- og ROV tjenester.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTysnes, NorwayHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Njord Aqua AS er et undervannsservice selskap rettet mot havbruk og kystnær industri.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRørvik, NorwayHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Nærøysund Aquaservice AS er en allsidig og veldrevet bedrift i Nærøysund kommune i Trøndelag som selger tjenester og produkter, hovedsakelig til havbruksnæringen, men også til…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSøreidgrend, NorwayHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Sohome is a vendor and system integrator of IT infrastructure for the maritime and offshore industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBergen, NorwayHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Insea Quality Services is a consultancy company with a high level of competency and experience in both inshore and offshore subsea operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchFosnavaag, NorwayHQ recorded Nov 6, 202611-507 contacts →

Exact match

“The Ulmatec Insea segment originates in the acquisition of Baro Mek.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSandefjord, NorwayHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Eneri Fiber AS er et selskap med solid kompetanse innen utbygging, drift og vedlikehold av fiberoptisk infrastruktur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchStavanger, NorwayHQ recorded Nov 6, 202611-504 contacts →

Exact match

“North Sea Cables Norge AS was established in Norway in 1989 as a subsidiary of the Scottish North Sea Cables ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKongsberg, NorwayHQ recorded Nov 6, 20261-104 contacts →

Exact match

“wireless infrastructure to enable remote operations on existing and future subsea High Data Rate low latency subsea and structure based wireless network”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOslo, NorwayHQ recorded Nov 6, 202611-503 contacts →

Exact match

“I eMCOM har vi fokus på effektive løsninger innen optisk fiber og datanettverk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLangesund, NorwayHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNøtterøy, NorwayHQ recorded Nov 6, 20261-103 contacts →

Exact match

“We offer marine technology aimed at maritime industries, farming and the underwater market in general.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOslo, NorwayHQ recorded Nov 6, 202611-502 contacts →

Exact match

“WHO WE ARE Havind is a Norwegian consultancy company specialized in Subsea Umbilicals, Risers and Flowlines (SURF) and Subsea Production Systems (SPS).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchÅlesund, NorwayHQ recorded Nov 6, 20261-101 contacts →

Exact match

“GLC Satcom offers telecommunications and satellite communication systems, as well as offshore instrumentation and electrical construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchErvik, NorwayHQ recorded Nov 6, 20261-101 contacts →

Exact match

Recorded description not available.

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

Showing 24 of 41 subsea network installation companies based in Norway

See the full list, filter by size, metro and specialty, and access 874 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsea network installation companies based in Norway at a glance

As of Nov 6, 2026
39.5%Verified-email coverage
54.0Average contacts per company
11-50Median size (employees)
12.2%Largest-city concentration · Oslo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
17
11-50
17
51-200
5
201-500
1
1,001-5,000
1

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 41 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 network 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 874 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.

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

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

RevenueBase identified 41 company matches for subsea network installation companies associated with Norway 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?

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

Which city has the most subsea network installation companies?

Oslo leads with 5 company records, followed by Haugesund (3) and Bergen (2).

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 874 professional contacts with verified work emails tracked across these 41 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.