Industry code 43.120 · Trøndelag
Site preparation in Trondheim
There are 125 active companies in site preparation in Trondheim. 7 of them were registered in the last 12 months. Together they have 682 registered employees. The largest company is Bn Entreprenør AS with 135 employees. The oldest, Ottar Augdal AS, was founded in 1986. 56% are limited companies.
- Active companies
- 125
- New in the last 12 months
- 7
- Registered employees
- 682
- Share of limited companies
- 56 %
The largest companies in site preparation in Trondheim
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 | Bn Entreprenør AS | 985671230 | 135 | NOK 407.2 m | 2003 |
| 2 | Anlegg Og Entreprenørservice Aoes AS | 920212220 | 115 | NOK 161.2 m | 2018 |
| 3 | Solberg Maskin AS | 999327869 | 68 | NOK 134.7 m | 2012 |
| 4 | Bp Entreprenør AS | 912628752 | 45 | NOK 131.2 m | 2013 |
| 5 | Johannessen AS | 922636761 | 36 | NOK 53 m | 2019 |
| 6 | Dovre Entreprenør AS | 943068593 | 27 | NOK 83.9 m | 1987 |
| 7 | Ottar Augdal AS | 938524831 | 26 | NOK 70.5 m | 1986 |
| 8 | Torven Entreprenør AS | 999118305 | 25 | NOK 15.1 m | 2012 |
| 9 | Consto Anlegg Midt AS | 922193770 | 24 | NOK 345.4 m | 2018 |
| 10 | Total Teknisk AS | 998477190 | 24 | NOK 62.7 m | 2012 |
| 11 | Lars Høyem AS | 924987065 | 21 | NOK 77.1 m | 2020 |
| 12 | Graver AS | 987295058 | 18 | NOK 41.7 m | 2004 |
| 13 | J K B Maskin AS | 935788730 | 17 | NOK 18.7 m | 2025 |
| 14 | Nordic Entreprenør AS | 926590464 | 14 | NOK 16.5 m | 2021 |
| 15 | Gjervan AS | 992590939 | 14 | NOK 14.8 m | 2008 |
| 16 | Jon Arne Langørgen AS | 913561090 | 12 | NOK 64.1 m | 2014 |
| 17 | Høgmo Fjellsprenging AS | 944671668 | 10 | NOK 33.5 m | 1987 |
| 18 | Haw Anlegg AS | 997389484 | 10 | NOK 10.7 m | 2011 |
| 19 | Terminalen Entreprenør AS | 912843386 | 9 | NOK 33.4 m | 2013 |
| 20 | Husa Maskin AS | 926455656 | 8 | NOK 12.4 m | 2021 |
| 21 | Graveservice K Rønning AS | 983258018 | 7 | NOK 8 m | 2001 |
| 22 | Mjølner-Maskin AS | 931631403 | 6 | NOK 3.2 m | 2023 |
| 23 | Vårvik Og Wiig AS | 984673442 | 6 | NOK 8.4 m | 2002 |
| 24 | Hd Fundamentering AS | 930555215 | 5 | NOK 45k | 2022 |
| 25 | Grendstad Maskin | 813757982 | – | – | – |
Newest companies in site preparation in Trondheim
- Wold Multitjenester1 Sept 2026
- Stian Myrvang Uteområde1 Jun 2026
- H.s. Haugen Maskinservice15 May 2026
- Hanebrekke Service AS27 Feb 2026
- Husby Anlegg AS15 Jan 2026
- Kjærbo Kristiansen Maskin18 Nov 2025
- Hanebrekke Invest AS14 Nov 2025
- Lørum Asfaltfiks11 Sept 2025
- Lars Brækstad7 Aug 2025
- J K B Maskin AS1 Jul 2025
Frequently asked questions
How many companies in site preparation are there in Trondheim?
The Register of Legal Entities lists 125 active companies in site preparation in Trondheim. 7 of them were registered in the last 12 months.
Which is the largest company in site preparation in Trondheim?
Bn Entreprenør AS is the largest by number of employees, with 135 employees. The organisation number is 985671230.
How many people work in site preparation in Trondheim?
The companies have 682 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 24 of the 25 largest companies have reported employees.
How long have there been companies in site preparation in Trondheim?
The oldest active company, Ottar Augdal AS, was founded in 1986. 56% 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 43.120. Figures are updated continuously.

