Industry code 09 · Oslo
Mining support service activities in Oslo
There are 81 active companies in mining support service activities in Oslo. 2 of them were registered in the last 12 months. Together they have 156 registered employees. The largest company is Bw Offshore Norway AS with 125 employees. The oldest, Van Oord Norway AS, was founded in 1983. 75% are limited companies.
- Active companies
- 81
- New in the last 12 months
- 2
- Registered employees
- 156
- Share of limited companies
- 75 %
The largest companies in mining support service activities in Oslo
Sorted by number of employees. Figures are from the Register of Legal Entities and the Register of Company Accounts.
| # | Company | Org. no. | Employees | Revenue | Founded |
|---|---|---|---|---|---|
| 1 | Bw Offshore Norway AS | 995682346 | 125 | NOK 386.1 m | 2010 |
| 2 | Deepocean Corporate AS | 931693654 | 24 | NOK 140.8 m | 2023 |
| 3 | Ncs Multistage Norge | 921465580 | 7 | NOK 5.4 m | – |
| 4 | Sigma Marine Services AS | 835001202 | – | NOK 351k | 2024 |
| 5 | Wetstone AS | 835112802 | – | – | 2025 |
| 6 | Ie North Sea AS | 837737052 | – | – | 2026 |
| 7 | Crystal Production AS | 851634142 | – | – | 1989 |
| 8 | Ks Right Viking | 854414852 | – | – | 1989 |
| 9 | Novemco AS | 879392802 | – | – | 1997 |
| 10 | Deepocean Group Holding AS | 896696262 | – | NOK 427.5 m | 2011 |
| 11 | Eclipse Drilling AS | 912362108 | – | NOK 0 | 2013 |
| 12 | Norwegian Oil Management Gunnar Øivind Jønsson | 913519191 | – | – | – |
| 13 | H. Consult And Invest AS | 913757602 | – | NOK 0 | 2014 |
| 14 | Tasik Toba Subsea AS | 913870379 | – | NOK 97.3 m | 2014 |
| 15 | Norterminal Response AS | 914190290 | – | NOK 1.6 m | 2014 |
| 16 | Arne Stang Invest AS | 914277752 | – | NOK 370.9 m | 2014 |
| 17 | Hemla Vantage AS | 914516641 | – | – | 2014 |
| 18 | Kellogg Brown & Root (Norway) AS | 914832586 | – | NOK 18.8k | 2015 |
| 19 | Petronor NUF | 915797415 | – | – | – |
| 20 | Cinclus Iv AS | 917412855 | – | NOK 5.3 m | 2016 |
| 21 | Glint Jahn Røising | 918160582 | – | – | – |
| 22 | Stolt-Nielsen Holding AS | 918181121 | – | – | 2016 |
| 23 | Young Exploration AS | 918747842 | – | – | 2017 |
| 24 | Sendstad Consulting | 919196017 | – | NOK 3.8k | – |
| 25 | Sjølie Offshore AS | 920439373 | – | NOK 2.8 m | 2018 |
Newest companies in mining support service activities in Oslo
- Ie North Sea AS19 May 2026
- Briarwood Invest I AS8 Nov 2025
- Fausko Marine Solutions16 Oct 2025
- Wetstone AS26 Feb 2025
- Glomar Minerals AS26 Feb 2025
- Sigma Marine Services AS7 Feb 2025
- Melsbø Maritime25 Oct 2024
- Rig Hercules Contractor AS12 Oct 2024
- Mcpherson AS21 Jun 2024
- Grangex Sydvaranger AS14 Oct 2023
Frequently asked questions
How many companies in mining support service activities are there in Oslo?
The Register of Legal Entities lists 81 active companies in mining support service activities in Oslo. 2 of them were registered in the last 12 months.
Which is the largest company in mining support service activities in Oslo?
Bw Offshore Norway AS is the largest by number of employees, with 125 employees. The organisation number is 995682346.
How many people work in mining support service activities in Oslo?
The companies have 156 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 3 of the 25 largest companies have reported employees.
How long have there been companies in mining support service activities in Oslo?
The oldest active company, Van Oord Norway AS, was founded in 1983. 75% of the companies are limited companies.
Sub-industries in Oslo
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 09. Figures are updated continuously.