Industry code 42.2 · Oslo
Construction of utility projects in Oslo
There are 70 active companies in construction of utility projects in Oslo. 2 of them were registered in the last 12 months. Together they have 2,039 registered employees. The largest company is Eltel Networks AS with 521 employees. The oldest, Eltel Networks AS, was founded in 1933. 79% are limited companies.
- Active companies
- 70
- New in the last 12 months
- 2
- Registered employees
- 2,039
- Share of limited companies
- 79 %
The largest companies in construction of utility projects 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 | Eltel Networks AS | 912955915 | 521 | NOK 1.2 bn | 1933 |
| 2 | Hitachi Energy Norway AS | 921186061 | 422 | NOK 3.2 bn | 2018 |
| 3 | Infratek Norge AS | 984277032 | 322 | NOK 950.4 m | 2002 |
| 4 | Netel AS | 983096514 | 300 | NOK 946.6 m | 2001 |
| 5 | Transtema Norge AS | 991386343 | 113 | NOK 678.5 m | 2007 |
| 6 | Pa Entreprenør AS | 952159429 | 111 | NOK 273.4 m | 1989 |
| 7 | Fred. Olsen Windcarrier ASA | 988598976 | 75 | NOK 213.2 m | 2005 |
| 8 | Energianlegg AS | 991588221 | 51 | NOK 218.5 m | 2007 |
| 9 | Aventi Installation AS | 913825543 | 43 | NOK 153.8 m | 2014 |
| 10 | Oneco Mobil AS | 925894168 | 28 | NOK 90.7 m | 2020 |
| 11 | Deme Offshore No AS | 929575687 | 28 | NOK 8 m | 2022 |
| 12 | Sitex AS | 921641419 | 13 | NOK 20.6 m | 2018 |
| 13 | Serwent Holding AS | 927964740 | 7 | NOK 14.9 m | 2021 |
| 14 | Reiersgård Maskin | 966116544 | 5 | – | – |
| 15 | Seaway 7 AS | 824695792 | – | NOK 4.3 m | 2020 |
| 16 | Seaway Moxie AS | 827396672 | – | NOK 4.2 m | 2021 |
| 17 | Af Energi Og Miljø AS | 892998132 | – | NOK 0 | 2008 |
| 18 | Fjellboring AS | 911678551 | – | NOK 806.9k | 1962 |
| 19 | Seaway Alfa Lift AS | 919871180 | – | NOK 167.2 m | 2017 |
| 20 | Skagerak AS | 920255876 | – | NOK 910.5k | 2018 |
| 21 | Brave Tern AS | 920604684 | – | NOK 51.1 m | 2018 |
| 22 | Eolus Vind Norge Holding AS | 920964826 | – | NOK 213.8 m | 2018 |
| 23 | Fred. Olsen Windcarrier Operations AS | 921065841 | – | NOK 159.7 m | 2018 |
| 24 | Fred. Olsen Windcarrier International AS | 921389167 | – | – | 2018 |
| 25 | Bold Tern AS | 921389175 | – | NOK 52.6 m | 2018 |
Newest companies in construction of utility projects in Oslo
- Votruba Anlegg Og Va29 Jun 2026
- Nexus Core Systems Norway AS20 Mar 2026
- Fry Dykk AS12 Oct 2024
- Glaneren Vann- Og Avløpslag SA27 May 2024
- Surf Bidco AS22 Apr 2024
- Surf Topco AS22 Apr 2024
- Surf Top Holding AS22 Apr 2024
- E-Dive AS25 Oct 2023
- Nordre Sørøya Windfarm DA9 Mar 2023
- Deme Offshore No Wtiv 2 AS15 Feb 2023
Frequently asked questions
How many companies in construction of utility projects are there in Oslo?
The Register of Legal Entities lists 70 active companies in construction of utility projects in Oslo. 2 of them were registered in the last 12 months.
Which is the largest company in construction of utility projects in Oslo?
Eltel Networks AS is the largest by number of employees, with 521 employees. The organisation number is 912955915.
How many people work in construction of utility projects in Oslo?
The companies have 2,039 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 14 of the 25 largest companies have reported employees.
How long have there been companies in construction of utility projects in Oslo?
The oldest active company, Eltel Networks AS, was founded in 1933. 79% of the companies are limited companies.
Other industries in the same group 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 42.2. Figures are updated continuously.