Industry code 24 · Oslo
Manufacture of basic metals in Oslo
There are 10 active companies in manufacture of basic metals in Oslo. No new companies have been registered in the last 12 months. Together they have 4,196 registered employees. The largest company is Hydro Aluminium AS with 3,734 employees. The oldest, Norsk Hydro ASA, was founded in 1905. 70% are limited companies.
- Active companies
- 10
- New in the last 12 months
- 0
- Registered employees
- 4,196
- Share of limited companies
- 70 %
The largest companies in manufacture of basic metals 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 | Hydro Aluminium AS | 917537534 | 3,734 | NOK 75.2 bn | 1947 |
| 2 | Norsk Hydro ASA | 914778271 | 391 | NOK 213.3 bn | 1905 |
| 3 | Hydro Extruded Solutions AS | 899286952 | 50 | NOK 794.5 m | 2012 |
| 4 | Reetec AS | 928177165 | 14 | NOK 210.6k | 2021 |
| 5 | Kristiania Kunst & Metalstøberi AS | 983542077 | 7 | NOK 4.1 m | 2001 |
| 6 | Jisco Alumina Norway AS | 850037302 | – | – | 1988 |
| 7 | Adeptus AS | 922676542 | – | NOK 0 | 2019 |
| 8 | Elkem Holding Inc | 978672736 | – | – | – |
| 9 | Elkem Limited | 978672760 | – | – | – |
| 10 | Metallco Norge AS | 985090181 | – | – | 2002 |
Newest companies in manufacture of basic metals in Oslo
- Reetec AS20 Nov 2021
- Adeptus AS29 Apr 2019
- Hydro Extruded Solutions AS9 Jan 2013
- Metallco Norge AS20 Nov 2002
- Kristiania Kunst & Metalstøberi AS19 Jul 2001
- Elkem Holding Inc4 Jul 1997
- Elkem Limited4 Jul 1997
- Hydro Aluminium AS12 Mar 1995
- Norsk Hydro ASA19 Feb 1995
- Jisco Alumina Norway AS19 Feb 1995
Frequently asked questions
How many companies in manufacture of basic metals are there in Oslo?
The Register of Legal Entities lists 10 active companies in manufacture of basic metals in Oslo. No new companies have been registered in the last 12 months.
Which is the largest company in manufacture of basic metals in Oslo?
Hydro Aluminium AS is the largest by number of employees, with 3,734 employees. The organisation number is 917537534.
How many people work in manufacture of basic metals in Oslo?
The companies have 4,196 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 5 of the 25 largest companies have reported employees.
How long have there been companies in manufacture of basic metals in Oslo?
The oldest active company, Norsk Hydro ASA, was founded in 1905. 70% 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 24. Figures are updated continuously.

