Industry code 24.420 · Oslo
Aluminium production in Oslo
There are 4 active companies in aluminium production in Oslo. No new companies have been registered in the last 12 months. Together they have 4,175 registered employees. The largest company is Hydro Aluminium AS with 3,734 employees. The oldest, Norsk Hydro ASA, was founded in 1905. 75% are limited companies.
- Active companies
- 4
- New in the last 12 months
- 0
- Registered employees
- 4,175
- Share of limited companies
- 75 %
The largest companies in aluminium production 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 | Jisco Alumina Norway AS | 850037302 | – | – | 1988 |
Newest companies in aluminium production in Oslo
- Hydro Extruded Solutions AS9 Jan 2013
- Hydro Aluminium AS12 Mar 1995
- Norsk Hydro ASA19 Feb 1995
- Jisco Alumina Norway AS19 Feb 1995
Frequently asked questions
How many companies in aluminium production are there in Oslo?
The Register of Legal Entities lists 4 active companies in aluminium production in Oslo. No new companies have been registered in the last 12 months.
Which is the largest company in aluminium production 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 aluminium production in Oslo?
The companies have 4,175 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 aluminium production in Oslo?
The oldest active company, Norsk Hydro ASA, was founded in 1905. 75% of the companies are limited companies.
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 24.420. Figures are updated continuously.

