Company lists · Data refreshed October 2026

Top 25 Drilling rig installation contractors based in Norway

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

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 45 companies tracked

RevenueBase identified 45 company matches for drilling rig installation contractors associated with Norway as of October 2026 and tracks 3,997 professional contacts across them, including 1,251 with verified work emails. Stavanger is the largest hub.

This list covers company matches for drilling rig 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 October 11, 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 11, 2026 How this list was built

45Companies

3,997Contacts tracked

1,251Verified emails

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The 25 largest drilling rig installation contractors based in Norway

Ranked by team size

Top 25 of 45 company matches for drilling rig installation contractors based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	Archer	Exact match	Sandnes, NorwayHQ recorded Oct 11, 2026	5,001-10,000	2,399 contacts →
	Exact match “Archer is a company providing drilling and well services to the global energy industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Mhwirth	Exact match	Kristiansand, NorwayHQ recorded Oct 11, 2026	1,001-5,000	570 contacts →
	Exact match “October 2021.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	NLI AS	Exact match	Vear, NorwayHQ recorded Oct 11, 2026	201-500	130 contacts →
	Exact match “NLI gruppen er en komplett leverandør av engineering, fabrikasjon, installasjons- og vedlikeholdstjenester med nøkkelkompetanse på stålkonstruksjoner, rør, overflatebehandling og…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	Island Drilling Company AS	Exact match	Sandsli, NorwayHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
5	PSW Technology	Exact match	Mongstad, NorwayHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
6	TCO AS	Exact match	Indre Arna, NorwayHQ recorded Oct 11, 2026	51-200	100 contacts →
	Exact match “TCO is a Norwegian founded global oilfield service company, which specialises in the design, manufacture and installation of glass barrier plugs, chemical injection systems and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	NYMO	Exact match	Grimstad, NorwayHQ recorded Oct 11, 2026	201-500	99 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 · Oct 11, 2026 · View company records in RevenueBase
8	Wellpartner AS	Exact match	Tananger, NorwayHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
9	Independent OIL Tools AS	Exact match	Stavanger, NorwayHQ recorded Oct 11, 2026	11-50	20 contacts →
	Exact match “WE ARE KNOWN FOR BETTER SERVICE & FASTER DELIVERY Independent Oil Tools AS started out back in 1992 in Norway.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Aarsleff Fundamentering & Boring	Exact match	Ulefoss, NorwayHQ recorded Oct 11, 2026	51-200	18 contacts →
	Exact match “Gjennom våre konkurransedyktige tjenester bygger vi tillit og skaper verdier for kunden.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Trade Tech AS	Exact match	Stavanger, NorwayHQ recorded Oct 11, 2026	11-50	14 contacts →
	Exact match “Trade Tech was established in 2001 and is today a major supplier of drilling and well service equipment.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	Onsite Treatment Services	Exact match	Tananger, NorwayHQ recorded Oct 11, 2026	11-50	13 contacts →
	Exact match “OTS offers a large and modern rental fleet, water treatment, slop treatment, tank cleaning, filtration, cuttings handling, vacuum systems, mud skips, well service pumps, pumping…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	NOS Technology AS	Exact match	Stavanger/sandnes, NorwayHQ recorded Oct 11, 2026	11-50	13 contacts →
	Exact match “NOS Technology AS is an engineering company based on employees with more than 20 years of experience from the Oil & Gas business.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Qmatec Drilling AS	Exact match	Åmot, NorwayHQ recorded Oct 11, 2026	11-50	13 contacts →
	Exact match “Qmatec Drilling AS is a mechanical company with the head office located in Vinje, Norway.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Ocean IMR	Exact match	Klepp, NorwayHQ recorded Oct 11, 2026	1-10	13 contacts →
	Exact match “Ocean IMR is an oil service company providing inspection, maintenance and repair services on drilling components.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Toolserv AS	Exact match	Stavanger, NorwayHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “Toolserv AS is divided in four segments: Sales, Engineering, Rental and Workshop.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Olimb Anlegg	Exact match	Råde, NorwayHQ recorded Oct 11, 2026	11-50	10 contacts →
	Exact match “Olimb Anlegg AS er et 100 % familieeid selskap med cirka 30 ansatte.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	RIG Partner AS	Exact match	Stavanger, NorwayHQ recorded Oct 11, 2026	1-10	9 contacts →
	Exact match “Rig Partner is an independent service company with highly qualified resources with extensive experience from rig operations and projects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Båsum Boring AS	Exact match	Krøderen, NorwayHQ recorded Oct 11, 2026	51-200	7 contacts →
	Exact match “Narve Båsum startet i 1952 med boring etter vann med linstøt boremaskin, som hadde en kapasitet på inntil seks meter pr dag.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	IKM Well Services AS	Exact match	Stavanger, NorwayHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match “Tubular cutters” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Nordrill	Exact match	Kristiansand, NorwayHQ recorded Oct 11, 2026	11-50	3 contacts →
	Exact match “NorDrill is a leading engineering company and supplier of state of the art, tailor made Top Drive systems for the onshore and offshore drilling industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Castor Drilling Solution AS	Exact match	Kristiansand, NorwayHQ recorded Oct 11, 2026	1-10	3 contacts →
	Exact match “Castor Drilling Solution AS (CDS) provide high integrity equipment to the offshore drilling market, mainly focusing on niche and tailor-made Heave Compensation, Tensioning…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Saga Offshore Partners AS	Exact match	Stavanger, NorwayHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match “Supplier of drilling, maintenance, engineering and equipment/product services on fixed installations and associated markets on the Norwegian Continental Shelf.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Vestnorsk Brunnboring AS	Exact match	Eikangervåg, NorwayHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Brødrene Myhre AS	Exact match	Jevnaker, NorwayHQ recorded Oct 11, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 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 “drilling rig 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 45 drilling rig installation contractors based in Norway

See the full list, filter by size, metro and specialty, and access 1,251 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drilling rig installation contractors based in Norway at a glance

As of Oct 11, 2026

31.3%Verified-email coverage

88.8Average contacts per company

11-50Median size (employees)

24.4%Largest-city concentration · Stavanger

Oct 11, 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 45 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 “drilling rig 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 1,251 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 11, 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 “drilling rig installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drilling rig installation contractors are there based in Norway?

RevenueBase identified 45 company matches for drilling rig installation contractors 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?

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

Which city has the most drilling rig installation contractors?

Stavanger leads with 11 company records, followed by Kristiansand (5) and Sandnes (3).

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 1,251 professional contacts with verified work emails tracked across these 45 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 11, 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.