Industry code 42.91
Construction of water projects
91 active companies are registered in this industry. The figures below come from the Register of Business Enterprises and the Register of Company Accounts, and are based on the 43 companies we have accounts for.
- Active companies
- 91
- Typical revenue (median)
- NOK 6 m
- Typical operating margin
- 0.2 %
- Share with a profit
- 55 %
Largest companies by revenue
- 1Consto Dambygg ASBergenNOK 252 m
- 2Birken & Co ASSandnesNOK 233.7 m
- 3Gerd Stensen ASVestvågøyNOK 96.4 m
- 4Valen Marina ASØygardenNOK 82.7 m
- 5Kai Og Anlegg Entreprenør ASSortlandNOK 74.1 m
- 6Nordocks ASSandefjordNOK 41 m
- 7Småbåthavner ASSør-OdalNOK 37.8 m
- 8Diveservice ASØstre TotenNOK 33.4 m
- 9Maritex Marine ASKleppNOK 30.9 m
- 10Johs. Røgelstad Maskin ASEtneNOK 25.1 m
Largest employers
- 1Consto Dambygg ASBergen64 employees
- 2Valen Marina ASØygarden59 employees
- 3Kai Og Anlegg Entreprenør ASSortland39 employees
- 4Descent ASTrondheim33 employees
- 5Nordocks ASSandefjord25 employees
- 6Maritex Marine ASKlepp22 employees
- 7Diveservice ASØstre Toten21 employees
- 8Submara Rov ASØygarden15 employees
- 9Gerd Stensen ASVestvågøy15 employees
- 10Birken & Co ASSandnes12 employees
Where is the industry based?
- Oslo6
- Bergen6
- Øygarden5
- Trondheim4
- Bjørnafjorden4
- Fredrikstad2
- Tromsø2
- Frogn2
- Karmøy2
- Kristiansund2
- Bodø2
- Arendal2
Largest municipalities for construction of water projects
Sub-industries
Median means half of the companies are above and half below. Figures are updated continuously and are only shown for companies with public accounts.

