Company lists · Data refreshed October 2026

Top 25 Oil well platform maintenance services based in Norway

Name: Oil well platform maintenance services based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 92 companies tracked

RevenueBase identified 92 company matches for oil well platform maintenance services associated with Norway as of October 2026 and tracks 3,804 professional contacts across them, including 729 with verified work emails. Stavanger is the largest hub.

This list covers company matches for oil well platform maintenance services 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 October 19, 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 Oct 19, 2026 How this list was built

92Companies

3,804Contacts tracked

729Verified emails

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The 25 largest oil well platform maintenance services based in Norway

Ranked by team size

Top 25 of 92 company matches for oil well platform maintenance services based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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	Mhwirth	Exact match	Kristiansand, NorwayHQ recorded Oct 19, 2026	1,001-5,000	570 contacts →
	Exact match “October 2021.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2	Island Offshore	Exact match	Ulsteinvik, NorwayHQ recorded Oct 19, 2026	501-1,000	532 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 · Oct 19, 2026 · View company records in RevenueBase
3	Linjebygg AS	Exact match	Molde, NorwayHQ recorded Oct 19, 2026	201-500	254 contacts →
	Exact match “Linjebygg provides LIFE CYCLE EXTENSION.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Akofs Offshore	Exact match	Oslo, NorwayHQ recorded Oct 19, 2026	201-500	246 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 · Oct 19, 2026 · View company records in RevenueBase
5	TS Group	Exact match	Porsgrunn, NorwayHQ recorded Oct 19, 2026	201-500	228 contacts →
	Exact match “TS Group is a multidiscipline industry- and oil service company with offices in Porsgrunn, Molde, Herøya Industripark and Bergen.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6	Island Drilling Company AS	Exact match	Sandsli, NorwayHQ recorded Oct 19, 2026	51-200	128 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 · Oct 19, 2026 · View company records in RevenueBase
7	PSW Technology	Exact match	Mongstad, NorwayHQ recorded Oct 19, 2026	201-500	124 contacts →
	Exact match “PSW Technology offers a wide range of services and solutions to the global drilling industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8	Havila Subsea & Renewables	Exact match	Aalesund, NorwayHQ recorded Oct 19, 2026	201-500	123 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 · Oct 19, 2026 · View company records in RevenueBase
9	Techouse AS	Exact match	Sandnes, NorwayHQ recorded Oct 19, 2026	51-200	102 contacts →
	Exact match “Techouse is a leader in the provision of offshore platform processing equipment and services to the international oil & gas industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	SUB SEA Services AS	Exact match	Stavanger, NorwayHQ recorded Oct 19, 2026	51-200	57 contacts →
	Exact match “Sub Sea Services is a solution-focused, flexible and collaboration oriented partner to the offshore drilling industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11	FØN Energy Services	Exact match	Fornebu, NorwayHQ recorded Oct 19, 2026	51-200	56 contacts →
	Exact match “Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12	WEPCO	Exact match	Stavanger, NorwayHQ recorded Oct 19, 2026	11-50	46 contacts →
	Exact match “Wepco AS ble etablert i 1986 og er i dag et moderne og velutstyrt service-verksted med høyt kvalifisert personell.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13	MSI	Exact match	Drøbak, NorwayHQ recorded Oct 19, 2026	51-200	44 contacts →
	Exact match “We bring the shipyard to you" MSI specialises in working while the asset is in operation.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14	Subseapartner AS	Exact match	Haugesund, NorwayHQ recorded Oct 19, 2026	11-50	41 contacts →
	Exact match “SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	Wellconnection Group	Exact match	Stavanger, NorwayHQ recorded Oct 19, 2026	51-200	37 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 · Oct 19, 2026 · View company records in RevenueBase
16	Petrolink AS	Exact match	NorwayHQ recorded Oct 19, 2026	51-200	36 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 · Oct 19, 2026 · View company records in RevenueBase
17	Techno Dive	Exact match	Avaldsnes, NorwayHQ recorded Oct 19, 2026	11-50	27 contacts →
	Exact match “Techno Dive is your partner for Safe and Efficient Subsea Work.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18	Wellpartner AS	Exact match	Tananger, NorwayHQ recorded Oct 19, 2026	51-200	24 contacts →
	Exact match “WellPartner AS is a service company that delivers technical expertise and high quality equipment and services within subsea drilling, completion and intervention operations.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	Stinger Technology AS	Exact match	Stavanger, NorwayHQ recorded Oct 19, 2026	11-50	24 contacts →
	Exact match “Stinger Technology AS is an innovative solution provider focusing on underwater wells monitoring, seabed surveys and jacket inspections.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20	Noble Installation AS	Exact match	Rudskogen, NorwayHQ recorded Oct 19, 2026	51-200	24 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 · Oct 19, 2026 · View company records in RevenueBase
21	A S Delprodukt	Exact match	Melhus, NorwayHQ recorded Oct 19, 2026	51-200	24 contacts →
	Exact match “Delprodukt is a leading supplier of mechanical services within land based industry, shipping and maritime, energy production, offshore and sub-sea, plate and welding services…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22	North Well Gefro AS	Exact match	Randaberg, NorwayHQ recorded Oct 19, 2026	51-200	21 contacts →
	Exact match “NWG offers rapid response and fast delivery of repairs and maintenance of mechanical, drilling and subsea equipment.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23	Albatross Industries AS	Exact match	Sola, NorwayHQ recorded Oct 19, 2026	51-200	21 contacts →
	Exact match “Albatross Industries AS was established in 2006.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24	Kasomo Energy AS	Exact match	Trondheim, NorwayHQ recorded Oct 19, 2026	11-50	20 contacts →
	Exact match “Welcome to Kasomo Energy, your one-stop-shop for technical service solutions.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25	Sotra Contracting AS - Socon	Exact match	Ågotnes, NorwayHQ recorded Oct 19, 2026	11-50	17 contacts →
	Exact match “Sotra Contracting AS - SOCON is a member of the SOTRA GROUP, including SOCON Norheimsund Sveis AS and Sotra Anchor & Chain AS.” Recorded in the RevenueBase company graph · Oct 19, 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 “oil well platform maintenance services”. 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 92 oil well platform maintenance services based in Norway

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Oil well platform maintenance services based in Norway at a glance

As of Oct 19, 2026

19.2%Verified-email coverage

41.3Average contacts per company

11-50Median size (employees)

13.0%Largest-city concentration · Stavanger

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 92 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 “oil well platform maintenance services” 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 729 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 October 19, 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 “oil well platform maintenance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil well platform maintenance services are there based in Norway?

RevenueBase identified 92 company matches for oil well platform maintenance services associated with Norway as of October 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?

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

Which city has the most oil well platform maintenance services?

Stavanger leads with 12 company records, followed by Molde (5) and Sola (5).

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 729 professional contacts with verified work emails tracked across these 92 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 October 19, 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.