Trond Ivar Rishaug is a private shareholder. Trond Ivar Rishaug holds a stake in 1 company.

Companies Trond Ivar Rishaug owns

Company	Stake
HELGELAND VENTILASJON AS	6.0%

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