Gro Haugstøyl Marin is a private shareholder. Gro Haugstøyl Marin holds a stake in 1 company.

Companies Gro Haugstøyl Marin owns

Company	Stake
KALMAR BYGG AS	10.0%

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.