Company lists · Data refreshed October 2026
Top 25 Deepwater drilling support contractors based in Norway
RevenueBase identified 107 company matches for deepwater drilling support contractors associated with Norway as of October 2026 and tracks 13,418 professional contacts across them, including 4,077 with verified work emails. Stavanger is the largest hub.
This list covers company matches for deepwater drilling support 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.
The 25 largest deepwater drilling support contractors based in Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,269 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 813 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 4 | 655 contacts → | ||||
Exact match “Always do better" is our guiding principle leading us through the energy transition and towards our vision of becoming the preferred supplier of drilling services.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 648 contacts → | ||||
Exact match “At Interwell our mission is clear; we are committed to solving the toughest well challenges with unmatched expertise and dedication.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 570 contacts → | ||||
Exact match “October 2021.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 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 11, 2026 · View company records in RevenueBase | |||||
| 8 | 481 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 279 contacts → | ||||
Exact match “Ocean Installer is a leading marine construction company that specializes in offshore installation services with more than 15 years of experience delivering large and complex…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 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 11, 2026 · View company records in RevenueBase | |||||
| 11 | 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 11, 2026 · View company records in RevenueBase | |||||
| 12 | 196 contacts → | ||||
Exact match “Innovative, enabling technology is at the very heart of Enhanced Drilling.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 149 contacts → | ||||
Exact match “Siem Offshore offers a dedicated and skilled workforce.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 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 | |||||
| 15 | 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 | |||||
| 16 | 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 11, 2026 · View company records in RevenueBase | |||||
| 17 | 118 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 100 contacts → | ||||
Exact match “Abyss utfører alle tjenester på sjøen - over og under vann.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 70 contacts → | ||||
Exact match “IKM Acona is a leading provider of services to the oil and gas industry covering the complete lifecycle of oil and gas projects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 20 | 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 11, 2026 · View company records in RevenueBase | |||||
| 21 | 56 contacts → | ||||
Exact match “Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 47 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 41 contacts → | ||||
Exact match “SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 24 | 41 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 · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 37 contacts → | ||||
Exact match “Formed in 2005, Tomax is focused on developing technology for improving drilling efficiency with modern drilling systems.” 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 “deepwater drilling support 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 107 deepwater drilling support contractors based in Norway
See the full list, filter by size, metro and specialty, and access 4,077 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Deepwater drilling support contractors based in Norway at a glance
As of Oct 11, 2026Companies by employee count
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 107 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 “deepwater drilling support 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 4,077 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 “deepwater drilling support contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many deepwater drilling support contractors are there based in Norway?
RevenueBase identified 107 company matches for deepwater drilling support 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?
DOF tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most deepwater drilling support contractors?
Stavanger leads with 15 company records, followed by Haugesund (7) and Kristiansand (7).
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 4,077 professional contacts with verified work emails tracked across these 107 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.
Ready to reach these companies? Verified emails and direct dials for all 107 deepwater drilling support contractors based in Norway. Start with a free account, no credit card.
Download this list →Related lists
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- Deepwater drilling support contractors based in Brazil
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.
More company lists
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- Lists A-Z
- New lists
- Deepwater drilling support contractors based in Rio De Janeiro, Brazil
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Company intelligence · public preview
Top 25 deepwater drilling support contractors based in Norway
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 107 matching company records for deepwater drilling support contractors based in Norway, with 13,418 tracked contacts and 4,077 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 deepwater drilling support contractors based in Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  DOFdof.comHQ: Bergen, NorwayReported employees: 5,001-10,000 | Bergen, Norway | 5,001-10,000 | Exact match | 3,269 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Archerarcherwell.comHQ: Sandnes, NorwayReported employees: 5,001-10,000 | Sandnes, Norway | 5,001-10,000 | Exact match | 2,399 contacts → |
“Archer is a company providing drilling and well services to the global energy industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  AGRagr.comHQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 813 contacts → |
“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cosl Drilling Europe AScosl.noHQ: Sandnes, NorwayReported employees: 501-1,000 | Sandnes, Norway | 501-1,000 | Exact match | 655 contacts → |
“Always do better" is our guiding principle leading us through the energy transition and towards our vision of becoming the preferred supplier of drilling services.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Interwellinterwell.comHQ: Røyneberg, NorwayReported employees: 501-1,000 | Røyneberg, Norway | 501-1,000 | Exact match | 648 contacts → |
“At Interwell our mission is clear; we are committed to solving the toughest well challenges with unmatched expertise and dedication.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mhwirthhmhw.comHQ: Kristiansand, NorwayReported employees: 1,001-5,000 | Kristiansand, Norway | 1,001-5,000 | Exact match | 570 contacts → |
“October 2021.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Island Offshoreislandoffshore.comHQ: Ulsteinvik, NorwayReported employees: 501-1,000 | Ulsteinvik, Norway | 501-1,000 | Exact match | 532 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Reach Subseareachsubsea.comHQ: Haugesund, NorwayReported employees: 201-500 | Haugesund, Norway | 201-500 | Exact match | 481 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ocean Installeroceaninstaller.comHQ: Stavanger, NorwayReported employees: 201-500 | Stavanger, Norway | 201-500 | Exact match | 279 contacts → |
“Ocean Installer is a leading marine construction company that specializes in offshore installation services with more than 15 years of experience delivering large and complex…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Akofs Offshoreakofsoffshore.comHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 246 contacts → |
“AKOFS Offshore is a global provider of vessel based subsea well construction and intervention services to the oil and gas industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  TS Grouptsgroup.comHQ: Porsgrunn, NorwayReported employees: 201-500 | Porsgrunn, Norway | 201-500 | Exact match | 228 contacts → |
“TS Group is a multidiscipline industry- and oil service company with offices in Porsgrunn, Molde, Herøya Industripark and Bergen.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Enhanced Drillingenhanced-drilling.comHQ: Straume, NorwayReported employees: 51-200 | Straume, Norway | 51-200 | Exact match | 196 contacts → |
“Innovative, enabling technology is at the very heart of Enhanced Drilling.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Siem Offshoresiemoffshore.com HQ: NorwayReported employees: 1,001-5,000 | Norway | 1,001-5,000 | Exact match | 149 contacts → |
“Siem Offshore offers a dedicated and skilled workforce.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Island Drilling Company ASislanddrilling.noHQ: Sandsli, NorwayReported employees: 51-200 | Sandsli, Norway | 51-200 | Exact match | 128 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  PSW Technologypsw.noHQ: Mongstad, NorwayReported employees: 201-500 | Mongstad, Norway | 201-500 | Exact match | 124 contacts → |
“PSW Technology offers a wide range of services and solutions to the global drilling industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Havila Subsea & Renewableshavilasubsea.comHQ: Aalesund, NorwayReported employees: 201-500 | Aalesund, Norway | 201-500 | Exact match | 123 contacts → |
“Havila Subsea & Renewables operates an advanced fleet of vessels dedicated to Diving, Offshore Inspection, Repair, and Maintenance (IRM), as well as Construction.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Optime, A Halliburton Servicehalliburton.comHQ: Notodden, NorwayReported employees: 51-200 | Notodden, Norway | 51-200 | Exact match | 118 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Abyss ASabyss.noHQ: Kristiansund, NorwayReported employees: 201-500 | Kristiansund, Norway | 201-500 | Exact match | 100 contacts → |
“Abyss utfører alle tjenester på sjøen - over og under vann.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  IKM Aconaikm.comHQ: Sandnes, NorwayReported employees: 51-200 | Sandnes, Norway | 51-200 | Exact match | 70 contacts → |
“IKM Acona is a leading provider of services to the oil and gas industry covering the complete lifecycle of oil and gas projects.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  SUB SEA Services ASsubseaservices.noHQ: Stavanger, NorwayReported employees: 51-200 | Stavanger, Norway | 51-200 | Exact match | 57 contacts → |
“Sub Sea Services is a solution-focused, flexible and collaboration oriented partner to the offshore drilling industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  FØN Energy Servicesfonenergyservices.comHQ: Fornebu, NorwayReported employees: 51-200 | Fornebu, Norway | 51-200 | Exact match | 56 contacts → |
“Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  IOT Groupindependent.noHQ: Stavanger, NorwayReported employees: 201-500 | Stavanger, Norway | 201-500 | Exact match | 47 contacts → |
“IOT Group is an international service organisation within the oil & gas industry, with worldwide locations in the most important oil & gas logistics hubs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Subseapartner ASsubseapartner.noHQ: Haugesund, NorwayReported employees: 11-50 | Haugesund, Norway | 11-50 | Exact match | 41 contacts → |
“SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Swire Seabedswireseabed.com HQ: Bergen, NorwayReported employees: 51-200 | Bergen, Norway | 51-200 | Exact match | 41 contacts → |
“Swire Seabed provides a highly flexible range of integrated subsea services to the global Oil & Gas and renewables industries.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Tomax AStomax.noHQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 37 contacts → |
“Formed in 2005, Tomax is focused on developing technology for improving drilling efficiency with modern drilling systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 107 company matches
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Deepwater drilling support contractors: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
107 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 107 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for deepwater drilling support contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many deepwater drilling support contractors did RevenueBase find based in Norway?
The saved snapshot records 107 matching company records, 13,418 tracked contacts and 4,077 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Deepwater drilling support contractors by geography
- Deepwater drilling support contractors based in Rio De Janeiro, Brazil
- Deepwater drilling support contractors based in Calgary, Canada
- Deepwater drilling support contractors based in Mumbai, India
- Deepwater drilling support contractors based in Lagos, Nigeria
- Deepwater drilling support contractors based in Port Harcourt, Nigeria
- Deepwater drilling support contractors based in Abu Dhabi, United Arab Emirates
- Deepwater drilling support contractors based in Dubai, United Arab Emirates
- Deepwater drilling support contractors based in Aberdeen, United Kingdom
- Deepwater drilling support contractors based in Houston, United States
- Deepwater drilling support contractors based in Argentina
- Deepwater drilling support contractors based in Australia
- Deepwater drilling support contractors based in Brazil
Cite this list
RevenueBase Data Team. Top 25 deepwater drilling support contractors based in Norway. Snapshot: October 11, 2026. https://revenuebase.ai/companies/deepwater-drilling-support-contractors/norway.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Deepwater drilling support contractors based in Rio De Janeiro, Brazil
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Company intelligence · public preview
Top 25 deepwater drilling support contractors based in Norway
RevenueBase records 107 matching company records for deepwater drilling support contractors based in Norway, with 13,418 tracked contacts and 4,077 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 deepwater drilling support contractors based in Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | DOFdof.com HQ: Bergen, NorwayReported employees: 5,001-10,000 | Bergen, Norway | 5,001-10,000 | Exact match | 3,269 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Archerarcherwell.com HQ: Sandnes, NorwayReported employees: 5,001-10,000 | Sandnes, Norway | 5,001-10,000 | Exact match | 2,399 contacts → |
“Archer is a company providing drilling and well services to the global energy industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | AGRagr.com HQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 813 contacts → |
“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cosl Drilling Europe AScosl.no HQ: Sandnes, NorwayReported employees: 501-1,000 | Sandnes, Norway | 501-1,000 | Exact match | 655 contacts → |
“Always do better" is our guiding principle leading us through the energy transition and towards our vision of becoming the preferred supplier of drilling services.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Interwellinterwell.com HQ: Røyneberg, NorwayReported employees: 501-1,000 | Røyneberg, Norway | 501-1,000 | Exact match | 648 contacts → |
“At Interwell our mission is clear; we are committed to solving the toughest well challenges with unmatched expertise and dedication.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mhwirthhmhw.com HQ: Kristiansand, NorwayReported employees: 1,001-5,000 | Kristiansand, Norway | 1,001-5,000 | Exact match | 570 contacts → |
“October 2021.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Island Offshoreislandoffshore.com HQ: Ulsteinvik, NorwayReported employees: 501-1,000 | Ulsteinvik, Norway | 501-1,000 | Exact match | 532 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Reach Subseareachsubsea.com HQ: Haugesund, NorwayReported employees: 201-500 | Haugesund, Norway | 201-500 | Exact match | 481 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ocean Installeroceaninstaller.com HQ: Stavanger, NorwayReported employees: 201-500 | Stavanger, Norway | 201-500 | Exact match | 279 contacts → |
“Ocean Installer is a leading marine construction company that specializes in offshore installation services with more than 15 years of experience delivering large and complex…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Akofs Offshoreakofsoffshore.com HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 246 contacts → |
“AKOFS Offshore is a global provider of vessel based subsea well construction and intervention services to the oil and gas industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TS Grouptsgroup.com HQ: Porsgrunn, NorwayReported employees: 201-500 | Porsgrunn, Norway | 201-500 | Exact match | 228 contacts → |
“TS Group is a multidiscipline industry- and oil service company with offices in Porsgrunn, Molde, Herøya Industripark and Bergen.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Enhanced Drillingenhanced-drilling.com HQ: Straume, NorwayReported employees: 51-200 | Straume, Norway | 51-200 | Exact match | 196 contacts → |
“Innovative, enabling technology is at the very heart of Enhanced Drilling.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Siem Offshoresiemoffshore.com HQ: NorwayReported employees: 1,001-5,000 | Norway | 1,001-5,000 | Exact match | 149 contacts → |
“Siem Offshore offers a dedicated and skilled workforce.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Island Drilling Company ASislanddrilling.no HQ: Sandsli, NorwayReported employees: 51-200 | Sandsli, Norway | 51-200 | Exact match | 128 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | PSW Technologypsw.no HQ: Mongstad, NorwayReported employees: 201-500 | Mongstad, Norway | 201-500 | Exact match | 124 contacts → |
“PSW Technology offers a wide range of services and solutions to the global drilling industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Havila Subsea & Renewableshavilasubsea.com HQ: Aalesund, NorwayReported employees: 201-500 | Aalesund, Norway | 201-500 | Exact match | 123 contacts → |
“Havila Subsea & Renewables operates an advanced fleet of vessels dedicated to Diving, Offshore Inspection, Repair, and Maintenance (IRM), as well as Construction.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Optime, A Halliburton Servicehalliburton.com HQ: Notodden, NorwayReported employees: 51-200 | Notodden, Norway | 51-200 | Exact match | 118 contacts → |
“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 description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Abyss ASabyss.no HQ: Kristiansund, NorwayReported employees: 201-500 | Kristiansund, Norway | 201-500 | Exact match | 100 contacts → |
“Abyss utfører alle tjenester på sjøen - over og under vann.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | IKM Aconaikm.com HQ: Sandnes, NorwayReported employees: 51-200 | Sandnes, Norway | 51-200 | Exact match | 70 contacts → |
“IKM Acona is a leading provider of services to the oil and gas industry covering the complete lifecycle of oil and gas projects.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SUB SEA Services ASsubseaservices.no HQ: Stavanger, NorwayReported employees: 51-200 | Stavanger, Norway | 51-200 | Exact match | 57 contacts → |
“Sub Sea Services is a solution-focused, flexible and collaboration oriented partner to the offshore drilling industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | FØN Energy Servicesfonenergyservices.com HQ: Fornebu, NorwayReported employees: 51-200 | Fornebu, Norway | 51-200 | Exact match | 56 contacts → |
“Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IOT Groupindependent.no HQ: Stavanger, NorwayReported employees: 201-500 | Stavanger, Norway | 201-500 | Exact match | 47 contacts → |
“IOT Group is an international service organisation within the oil & gas industry, with worldwide locations in the most important oil & gas logistics hubs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Subseapartner ASsubseapartner.no HQ: Haugesund, NorwayReported employees: 11-50 | Haugesund, Norway | 11-50 | Exact match | 41 contacts → |
“SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Swire Seabedswireseabed.com HQ: Bergen, NorwayReported employees: 51-200 | Bergen, Norway | 51-200 | Exact match | 41 contacts → |
“Swire Seabed provides a highly flexible range of integrated subsea services to the global Oil & Gas and renewables industries.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tomax AStomax.no HQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 37 contacts → |
“Formed in 2005, Tomax is focused on developing technology for improving drilling efficiency with modern drilling systems.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 107 company matches
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Deepwater drilling support contractors: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
107 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 107 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for deepwater drilling support contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many deepwater drilling support contractors did RevenueBase find based in Norway?
The saved snapshot records 107 matching company records, 13,418 tracked contacts and 4,077 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 deepwater drilling support contractors based in Norway. Snapshot: October 11, 2026. https://revenuebase.ai/companies/deepwater-drilling-support-contractors/norway.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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