Company lists · Data refreshed September 2026

Top 25 Downhole tool service providers based in Norway

RevenueBase identified 44 company matches for downhole tool service providers associated with Norway as of September 2026 and tracks 1,811 professional contacts across them, including 660 with verified work emails. Stavanger is the largest hub.

This list covers company matches for downhole tool service providers 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 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 Sep 19, 2026 How this list was built
44Companies
1,811Contacts tracked
660Verified emails
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The 25 largest downhole tool service providers based in Norway

Ranked by team size
Top 25 of 44 company matches for downhole tool service providers based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKristiansand, NorwayHQ recorded Sep 19, 20261,001-5,000560 contacts →

Exact match

“October 2021.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchIndre Arna, NorwayHQ recorded Sep 19, 202651-200103 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 · Sep 19, 2026 · View company records in RevenueBase
3Exact matchNotodden, NorwayHQ recorded Sep 19, 202651-20098 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 19, 2026 · View company records in RevenueBase
4Exact matchStavanger, NorwayHQ recorded Sep 19, 2026201-50043 contacts →

Exact match

“IOT Group is an international service organisation within the oil & gas industry, with worldwide locations in the most important oil & gas logistics hubs.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchKristiansund, NorwayHQ recorded Sep 19, 202651-20040 contacts →

Exact match

“offshore equipment maintenance”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchStavanger, NorwayHQ recorded Sep 19, 202611-5038 contacts →

Exact match

“Wellcem is an oil service company headquartered in Norway with branches located around the world.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchSola, NorwayHQ recorded Sep 19, 202611-5025 contacts →

Exact match

“CONNECTING DOWNHOLE TO THE FUTURE With support in both Stavanger and Houston, Reelwell has developed pioneering technologies offering a step-change in well construction and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchTananger, NorwayHQ recorded Sep 19, 202651-20023 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 · Sep 19, 2026 · View company records in RevenueBase
9Exact matchRandaberg, NorwayHQ recorded Sep 19, 202651-20021 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 · Sep 19, 2026 · View company records in RevenueBase
10Exact matchStavanger, NorwayHQ recorded Sep 19, 202611-5017 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 · Sep 19, 2026 · View company records in RevenueBase
11Exact matchTananger, NorwayHQ recorded Sep 19, 202611-5014 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 · Sep 19, 2026 · View company records in RevenueBase
12Exact matchSola, NorwayHQ recorded Sep 19, 202611-5014 contacts →

Exact match

“Innovar Solutions is a small focused group of people with the capability of inventing, designing, manufacturing and applying new smart tools for drilling and completion operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchStavanger, NorwayHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“Toolserv AS is divided in four segments: Sales, Engineering, Rental and Workshop.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchTrondheim, NorwayHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“Prores AS is a technology company based in Trondheim, Norway.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchKlepp, NorwayHQ recorded Sep 19, 20261-1011 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 · Sep 19, 2026 · View company records in RevenueBase
16Exact matchStavanger/sandnes, NorwayHQ recorded Sep 19, 20261-1010 contacts →

Exact match

“Phoenix Rental AS offer rental of drilling tubulars and related accessories for the oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchSola, NorwayHQ recorded Sep 19, 20261-109 contacts →

Exact match

“ORS delivers a wide range of equipment and services within the Oil & Gas Industry; for offshore as well as onshore operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchHå, NorwayHQ recorded Sep 19, 20261-107 contacts →

Exact match

“We offer specialized products and services within subsea, completion and drilling to the oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchAlgard, NorwayHQ recorded Sep 19, 20261-107 contacts →

Exact match

“Target Intervention AS is a Norwegian well technology company developing the next generation intelligent coiled tubing tool solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchStavanger, NorwayHQ recorded Sep 19, 20261-105 contacts →

Exact match

“Tfs services downhole tools for the oil & gas industry”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchKlepp Stasjon, NorwayHQ recorded Sep 19, 20261-104 contacts →

Exact match

“Improving offshore performance through innovation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchKristiansund, NorwayHQ recorded Sep 19, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBryne, NorwayHQ recorded Sep 19, 20261-103 contacts →

Exact match

“Introducing the disruptive Axter.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchRandaberg, NorwayHQ recorded Sep 19, 20261-103 contacts →

Exact match

“Perigon is a Norwegian founded supplier to the global oil & gas industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchKristiansand, NorwayHQ recorded Sep 19, 20261-103 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 · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 44 downhole tool service providers based in Norway

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Downhole tool service providers based in Norway at a glance

As of Sep 19, 2026
36.4%Verified-email coverage
41.2Average contacts per company
11-50Median size (employees)
31.8%Largest-city concentration · Stavanger
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
14
51-200
6
201-500
1
501-1,000
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 44 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 “downhole tool service providers” 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 660 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 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 “downhole tool service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downhole tool service providers are there based in Norway?

RevenueBase identified 44 company matches for downhole tool service providers 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?

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

Which city has the most downhole tool service providers?

Stavanger leads with 14 company records, followed by Sola (3) and Algard (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 660 professional contacts with verified work emails tracked across these 44 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 44 downhole tool service providers based in Norway. Start with a free account, no credit card.

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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.