Industry code 43.1 · Oslo
Demolition and site preparation in Oslo
There are 197 active companies in demolition and site preparation in Oslo. 12 of them were registered in the last 12 months. Together they have 872 registered employees. The largest company is Aip Maskin AS with 167 employees. The oldest, Anders Johnsen AS, was founded in 1980. 51% are limited companies.
- Active companies
- 197
- New in the last 12 months
- 12
- Registered employees
- 872
- Share of limited companies
- 51 %
The largest companies in demolition and site preparation 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 | Aip Maskin AS | 928857964 | 167 | NOK 117.3 m | 2022 |
| 2 | Af Decom AS | 992097442 | 139 | NOK 689.3 m | 2007 |
| 3 | Proriv AS | 832799742 | 97 | NOK 115.5 m | 2023 |
| 4 | Saneringsservice Onshore AS | 929285182 | 69 | NOK 18.1 m | 2022 |
| 5 | Jr Anlegg AS | 934763505 | 58 | NOK 291.6 m | 1983 |
| 6 | Gast Entreprenør AS | 987627484 | 53 | NOK 131.3 m | 2004 |
| 7 | Christiania Entreprenør Og Maskin AS | 915651666 | 33 | NOK 66.9 m | 2015 |
| 8 | Erase AS | 917361266 | 32 | NOK 39.6 m | 2016 |
| 9 | Enviro Entreprenør AS | 917995427 | 25 | NOK 85.7 m | 2016 |
| 10 | Steinbakken Entreprenør AS | 921061374 | 23 | NOK 38.9 m | 2018 |
| 11 | H2 Miljø AS | 929503341 | 21 | NOK 83.9 m | 2022 |
| 12 | Hot Mix Oy Finland NUF | 935382653 | 21 | – | – |
| 13 | Rgb Entreprenør AS | 932723697 | 18 | NOK 16.4 m | 2023 |
| 14 | Stake & Grave Service AS | 936775454 | 14 | NOK 22.9 m | 1985 |
| 15 | Roar Wilhelmsen AS | 922768099 | 13 | NOK 132.1 m | 2019 |
| 16 | Riggmann AS | 924010037 | 12 | NOK 1.9 m | 2019 |
| 17 | Alpina Norge AS | 928602109 | 10 | NOK 4 m | 2021 |
| 18 | Brødrene Hansen Graveservice AS | 877021572 | 8 | NOK 11.8 m | 1996 |
| 19 | Bybonden Transport AS | 925992550 | 8 | NOK 6.5 m | 2020 |
| 20 | Specto Remote AS | 993433802 | 8 | NOK 18.4 m | 2008 |
| 21 | Sanco Solution AS | 925854654 | 6 | NOK 12.2 m | 2020 |
| 22 | Us Operation AS | 934599772 | 6 | NOK 10.2 m | 2024 |
| 23 | Golden Ratio AS | 935115744 | 6 | NOK 464.3k | 2025 |
| 24 | Oslo Grunnarbeid AS | 926821237 | 5 | NOK 7 m | 2021 |
| 25 | Svendsen Fjellsprengning AS | 929366328 | 5 | NOK 12.1 m | 2022 |
Newest companies in demolition and site preparation in Oslo
- Larsen Østlandske Utemiljø10 Oct 2026
- Maskin Thorsen21 Sept 2026
- Robøle Eiendomsservice14 Sept 2026
- Utleiegutta AS10 Sept 2026
- Holmstrøm Anleggsservice16 Jul 2026
- Husein Harake Entrepenør14 Jul 2026
- Oslo Graving Og Betong AS13 May 2026
- Moldovanu Adi Bogdan12 May 2026
- Brekken Maskin16 Apr 2026
- Longvanes Anleggsservice11 Apr 2026
Frequently asked questions
How many companies in demolition and site preparation are there in Oslo?
The Register of Legal Entities lists 197 active companies in demolition and site preparation in Oslo. 12 of them were registered in the last 12 months.
Which is the largest company in demolition and site preparation in Oslo?
Aip Maskin AS is the largest by number of employees, with 167 employees. The organisation number is 928857964.
How many people work in demolition and site preparation in Oslo?
The companies have 872 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 25 of the 25 largest companies have reported employees.
How long have there been companies in demolition and site preparation in Oslo?
The oldest active company, Anders Johnsen AS, was founded in 1980. 51% 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 43.1. Figures are updated continuously.