JON SIGMUNDSTAD is a private shareholder. JON SIGMUNDSTAD har eierandeler i 1 selskap.

Selskaper JON SIGMUNDSTAD eier

Company	Stake	Value (est.)
TØNNEVIK AS	29.4%	–

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.