Company lists · Data refreshed November 2026
Top 25 Offshore rig operators based in Norway
RevenueBase identified 58 company matches for offshore rig operators associated with Norway as of November 2026 and tracks 10,221 professional contacts across them, including 2,989 with verified work emails. Stavanger is the largest hub.
This list covers company matches for offshore rig operators associated with Norway, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest offshore rig operators based in Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 664 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 662 contacts → | ||||
Exact match “Prosafe is a leading owner and operator of semi-submersible accommodation vessels.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 538 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 488 contacts → | ||||
Exact match “Reach Subsea is an offshore contractor delivering subsea services and ocean data, survey, inspection, maintenance and repair, and construction support for offshore energy and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 333 contacts → | ||||
Exact match “Offshore Shipping Company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 169 contacts → | ||||
Exact match “BOA is a family business, which has been providing offshore services since the 70's.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 131 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 127 contacts → | ||||
Exact match “PSW Technology offers a wide range of services and solutions to the global drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 106 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 99 contacts → | ||||
Exact match “Macro Offshore, is a fully integrated owner and operator of accommodation vessels with a fleet of two harsh-environment deep-water accommodation jack-up rigs, Haven and Crossway…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 73 contacts → | ||||
Exact match “Siem Offshore offers a dedicated and skilled workforce.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 59 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 57 contacts → | ||||
Exact match “Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 44 contacts → | ||||
Exact match “SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 36 contacts → | ||||
Exact match “Sanco Shipping AS is a leading provider of high quality solutions for the offshore energy industry, with a fleet of high standard purpose built vessels.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 34 contacts → | ||||
Exact match “Dwellop Group is an independent Norwegian company delivering topside handling equipment for Well Intervention, WorkOver and P&A operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 21 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “We combine almost 30 years of heritage in North Sea operations with the global marine and engineering capabilities of AGR, ABL, OWC and Longitude across the Aqualis group – to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “NPT AS er et selskap som tilbyr spesialtjenester og utleie av utstyr til offshore, marine og Subsea industrien.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 8 contacts → | ||||
Exact match “Our knowledge is built on expertise and experience from rig equipment suppliers in Southern Norway, in addition to experience from rig companies, EPCIC segment and shipyards…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “Vi stiller sterkt med 8 borerigger, spesialutstyr for undersøkelser til sjøs og vårt eget geotekniske laboratorium.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “A scalable infrastructure platform for CO2 and power across the Baltic Corridor.” Recorded in the RevenueBase company graph · Nov 6, 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 “offshore rig operators”. 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 58 offshore rig operators based in Norway
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Offshore rig operators based in Norway at a glance
As of Nov 6, 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 58 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 “offshore rig operators” 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 2,989 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “offshore rig operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many offshore rig operators are there based in Norway?
RevenueBase identified 58 company matches for offshore rig operators associated with Norway as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Cosl Drilling Europe AS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most offshore rig operators?
Stavanger leads with 12 company records, followed by Kristiansand (7) and Oslo (4).
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 2,989 professional contacts with verified work emails tracked across these 58 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 58 offshore rig operators 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Offshore rig operators based in Houston, United States
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Company intelligence · public preview
Top 25 offshore rig operators 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 58 matching company records for offshore rig operators based in Norway, with 10,221 tracked contacts and 2,989 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: November 6, 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 offshore rig operators 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 |  Cosl Drilling Europe AScosl.noHQ: Sandnes, NorwayReported employees: 501-1,000 | Sandnes, Norway | 501-1,000 | Exact match | 664 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Prosafeprosafe.comHQ: N-4068 Stavanger, NorwayReported employees: Not recorded | N-4068 Stavanger, Norway | Not recorded | Exact match | 662 contacts → |
“Prosafe is a leading owner and operator of semi-submersible accommodation vessels.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Island Offshoreislandoffshore.comHQ: Ulsteinvik, NorwayReported employees: 501-1,000 | Ulsteinvik, Norway | 501-1,000 | Exact match | 538 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Reach Subseareachsubsea.comHQ: Haugesund, NorwayReported employees: 501-1,000 | Haugesund, Norway | 501-1,000 | Exact match | 488 contacts → |
“Reach Subsea is an offshore contractor delivering subsea services and ocean data, survey, inspection, maintenance and repair, and construction support for offshore energy and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Eidesvik Offshore ASAeidesvik.noHQ: Langevag, NorwayReported employees: 501-1,000 | Langevag, Norway | 501-1,000 | Exact match | 333 contacts → |
“Offshore Shipping Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  BOA Offshoreboa.noHQ: Trondheim, NorwayReported employees: 51-200 | Trondheim, Norway | 51-200 | Exact match | 169 contacts → |
“BOA is a family business, which has been providing offshore services since the 70's.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Island Drilling Company ASislanddrilling.noHQ: Sandsli, NorwayReported employees: 51-200 | Sandsli, Norway | 51-200 | Exact match | 131 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  PSW Technologypsw.noHQ: Mongstad, NorwayReported employees: 201-500 | Mongstad, Norway | 201-500 | Exact match | 127 contacts → |
“PSW Technology offers a wide range of services and solutions to the global drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Techouse AStechouse.noHQ: Sandnes, NorwayReported employees: 51-200 | Sandnes, Norway | 51-200 | Exact match | 106 contacts → |
“Techouse is a leader in the provision of offshore platform processing equipment and services to the international oil & gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Macro Offshoremacro-offshore.comHQ: Sandnes, NorwayReported employees: 51-200 | Sandnes, Norway | 51-200 | Exact match | 99 contacts → |
“Macro Offshore, is a fully integrated owner and operator of accommodation vessels with a fleet of two harsh-environment deep-water accommodation jack-up rigs, Haven and Crossway…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Siem Offshoresiemoffshore.com HQ: NorwayReported employees: 1,001-5,000 | Norway | 1,001-5,000 | Exact match | 73 contacts → |
“Siem Offshore offers a dedicated and skilled workforce.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SUB SEA Services ASsubseaservices.noHQ: Stavanger, NorwayReported employees: 51-200 | Stavanger, Norway | 51-200 | Exact match | 59 contacts → |
“Sub Sea Services is a solution-focused, flexible and collaboration oriented partner to the offshore drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  FØN Energy Servicesfonenergyservices.comHQ: Fornebu, NorwayReported employees: 51-200 | Fornebu, Norway | 51-200 | Exact match | 57 contacts → |
“Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Subseapartner ASsubseapartner.noHQ: Haugesund, NorwayReported employees: 11-50 | Haugesund, Norway | 11-50 | Exact match | 44 contacts → |
“SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sanco Shipping ASsanco.noHQ: Gjerdsvika, NorwayReported employees: 11-50 | Gjerdsvika, Norway | 11-50 | Exact match | 36 contacts → |
“Sanco Shipping AS is a leading provider of high quality solutions for the offshore energy industry, with a fleet of high standard purpose built vessels.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Dwellop Groupdwellop.noHQ: Stavanger, NorwayReported employees: 51-200 | Stavanger, Norway | 51-200 | Exact match | 34 contacts → |
“Dwellop Group is an independent Norwegian company delivering topside handling equipment for Well Intervention, WorkOver and P&A operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Wellpartner ASwellpartner.noHQ: Tananger, NorwayReported employees: 51-200 | Tananger, Norway | 51-200 | Exact match | 24 contacts → |
“WellPartner AS is a service company that delivers technical expertise and high quality equipment and services within subsea drilling, completion and intervention operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Independent OIL Tools ASiotgroup.comHQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 21 contacts → |
“WE ARE KNOWN FOR BETTER SERVICE & FASTER DELIVERY Independent Oil Tools AS started out back in 1992 in Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ross Offshoreagr.comHQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 19 contacts → |
“We combine almost 30 years of heritage in North Sea operations with the global marine and engineering capabilities of AGR, ABL, OWC and Longitude across the Aqualis group – to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  NPT ASnptas.noHQ: 4312, NorwayReported employees: 51-200 | 4312, Norway | 51-200 | Exact match | 18 contacts → |
“NPT AS er et selskap som tilbyr spesialtjenester og utleie av utstyr til offshore, marine og Subsea industrien.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  RIG Partner ASrig-partner.noHQ: Stavanger, NorwayReported employees: 1-10 | Stavanger, Norway | 1-10 | Exact match | 9 contacts → |
“Rig Partner is an independent service company with highly qualified resources with extensive experience from rig operations and projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Assure ASassure.asHQ: Kristiansand, NorwayReported employees: 11-50 | Kristiansand, Norway | 11-50 | Exact match | 8 contacts → |
“Our knowledge is built on expertise and experience from rig equipment suppliers in Southern Norway, in addition to experience from rig companies, EPCIC segment and shipyards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Geostrom ASgeostrom.noHQ: Våle, NorwayReported employees: 11-50 | Våle, Norway | 11-50 | Exact match | 7 contacts → |
“Vi stiller sterkt med 8 borerigger, spesialutstyr for undersøkelser til sjøs og vårt eget geotekniske laboratorium.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Petrotech ASexprogroup.com HQ: Haugesund, NorwayReported employees: 51-200 | Haugesund, Norway | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Normod ASnormod.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“A scalable infrastructure platform for CO2 and power across the Baltic Corridor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Offshore rig operators: dataset insights
November 6, 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
58 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 58 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: November 6, 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 offshore rig operators?
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 offshore rig operators did RevenueBase find based in Norway?
The saved snapshot records 58 matching company records, 10,221 tracked contacts and 2,989 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: November 6, 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
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 offshore rig operators based in Norway. Snapshot: November 6, 2026. https://revenuebase.ai/companies/offshore-rig-operators/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
- Offshore rig operators based in Houston, United States
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Company intelligence · public preview
Top 25 offshore rig operators based in Norway
RevenueBase records 58 matching company records for offshore rig operators based in Norway, with 10,221 tracked contacts and 2,989 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: November 6, 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 offshore rig operators 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 | Cosl Drilling Europe AScosl.no HQ: Sandnes, NorwayReported employees: 501-1,000 | Sandnes, Norway | 501-1,000 | Exact match | 664 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Prosafeprosafe.com HQ: N-4068 Stavanger, NorwayReported employees: Not recorded | N-4068 Stavanger, Norway | Not recorded | Exact match | 662 contacts → |
“Prosafe is a leading owner and operator of semi-submersible accommodation vessels.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Island Offshoreislandoffshore.com HQ: Ulsteinvik, NorwayReported employees: 501-1,000 | Ulsteinvik, Norway | 501-1,000 | Exact match | 538 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Reach Subseareachsubsea.com HQ: Haugesund, NorwayReported employees: 501-1,000 | Haugesund, Norway | 501-1,000 | Exact match | 488 contacts → |
“Reach Subsea is an offshore contractor delivering subsea services and ocean data, survey, inspection, maintenance and repair, and construction support for offshore energy and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Eidesvik Offshore ASAeidesvik.no HQ: Langevag, NorwayReported employees: 501-1,000 | Langevag, Norway | 501-1,000 | Exact match | 333 contacts → |
“Offshore Shipping Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | BOA Offshoreboa.no HQ: Trondheim, NorwayReported employees: 51-200 | Trondheim, Norway | 51-200 | Exact match | 169 contacts → |
“BOA is a family business, which has been providing offshore services since the 70's.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Island Drilling Company ASislanddrilling.no HQ: Sandsli, NorwayReported employees: 51-200 | Sandsli, Norway | 51-200 | Exact match | 131 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | PSW Technologypsw.no HQ: Mongstad, NorwayReported employees: 201-500 | Mongstad, Norway | 201-500 | Exact match | 127 contacts → |
“PSW Technology offers a wide range of services and solutions to the global drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Techouse AStechouse.no HQ: Sandnes, NorwayReported employees: 51-200 | Sandnes, Norway | 51-200 | Exact match | 106 contacts → |
“Techouse is a leader in the provision of offshore platform processing equipment and services to the international oil & gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Macro Offshoremacro-offshore.com HQ: Sandnes, NorwayReported employees: 51-200 | Sandnes, Norway | 51-200 | Exact match | 99 contacts → |
“Macro Offshore, is a fully integrated owner and operator of accommodation vessels with a fleet of two harsh-environment deep-water accommodation jack-up rigs, Haven and Crossway…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Siem Offshoresiemoffshore.com HQ: NorwayReported employees: 1,001-5,000 | Norway | 1,001-5,000 | Exact match | 73 contacts → |
“Siem Offshore offers a dedicated and skilled workforce.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SUB SEA Services ASsubseaservices.no HQ: Stavanger, NorwayReported employees: 51-200 | Stavanger, Norway | 51-200 | Exact match | 59 contacts → |
“Sub Sea Services is a solution-focused, flexible and collaboration oriented partner to the offshore drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | FØN Energy Servicesfonenergyservices.com HQ: Fornebu, NorwayReported employees: 51-200 | Fornebu, Norway | 51-200 | Exact match | 57 contacts → |
“Føn Energy Services is an independent service provider to the offshore energy sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Subseapartner ASsubseapartner.no HQ: Haugesund, NorwayReported employees: 11-50 | Haugesund, Norway | 11-50 | Exact match | 44 contacts → |
“SubseaPartner is a leading diving contractor in the shallow-deep segment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sanco Shipping ASsanco.no HQ: Gjerdsvika, NorwayReported employees: 11-50 | Gjerdsvika, Norway | 11-50 | Exact match | 36 contacts → |
“Sanco Shipping AS is a leading provider of high quality solutions for the offshore energy industry, with a fleet of high standard purpose built vessels.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dwellop Groupdwellop.no HQ: Stavanger, NorwayReported employees: 51-200 | Stavanger, Norway | 51-200 | Exact match | 34 contacts → |
“Dwellop Group is an independent Norwegian company delivering topside handling equipment for Well Intervention, WorkOver and P&A operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wellpartner ASwellpartner.no HQ: Tananger, NorwayReported employees: 51-200 | Tananger, Norway | 51-200 | Exact match | 24 contacts → |
“WellPartner AS is a service company that delivers technical expertise and high quality equipment and services within subsea drilling, completion and intervention operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Independent OIL Tools ASiotgroup.com HQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 21 contacts → |
“WE ARE KNOWN FOR BETTER SERVICE & FASTER DELIVERY Independent Oil Tools AS started out back in 1992 in Norway.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ross Offshoreagr.com HQ: Stavanger, NorwayReported employees: 11-50 | Stavanger, Norway | 11-50 | Exact match | 19 contacts → |
“We combine almost 30 years of heritage in North Sea operations with the global marine and engineering capabilities of AGR, ABL, OWC and Longitude across the Aqualis group – to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | NPT ASnptas.no HQ: 4312, NorwayReported employees: 51-200 | 4312, Norway | 51-200 | Exact match | 18 contacts → |
“NPT AS er et selskap som tilbyr spesialtjenester og utleie av utstyr til offshore, marine og Subsea industrien.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RIG Partner ASrig-partner.no HQ: Stavanger, NorwayReported employees: 1-10 | Stavanger, Norway | 1-10 | Exact match | 9 contacts → |
“Rig Partner is an independent service company with highly qualified resources with extensive experience from rig operations and projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Assure ASassure.as HQ: Kristiansand, NorwayReported employees: 11-50 | Kristiansand, Norway | 11-50 | Exact match | 8 contacts → |
“Our knowledge is built on expertise and experience from rig equipment suppliers in Southern Norway, in addition to experience from rig companies, EPCIC segment and shipyards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Geostrom ASgeostrom.no HQ: Våle, NorwayReported employees: 11-50 | Våle, Norway | 11-50 | Exact match | 7 contacts → |
“Vi stiller sterkt med 8 borerigger, spesialutstyr for undersøkelser til sjøs og vårt eget geotekniske laboratorium.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Petrotech ASexprogroup.com HQ: Haugesund, NorwayReported employees: 51-200 | Haugesund, Norway | 51-200 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Normod ASnormod.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“A scalable infrastructure platform for CO2 and power across the Baltic Corridor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 58 company matches
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Offshore rig operators: dataset insights
November 6, 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
58 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 58 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: November 6, 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 offshore rig operators?
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 offshore rig operators did RevenueBase find based in Norway?
The saved snapshot records 58 matching company records, 10,221 tracked contacts and 2,989 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: November 6, 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 offshore rig operators based in Norway. Snapshot: November 6, 2026. https://revenuebase.ai/companies/offshore-rig-operators/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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