Jan Øyvind Drtina is a private shareholder with an estimated portfolio value of NOK 4.6m. Jan Øyvind Drtina holds stakes in 2 companies, and roles in several others.

Estimated portfolio value

NOK 4.6m

The sum of estimated values across all known holdings in Norwegian AS/ASA companies

Companies Jan Øyvind Drtina owns

Company	Stake	Value (est.)
TØNSBERG GLASS HOLDING AS	100.0%	NOK 4.6m
SKRIM VANN OG AVLØPSSELSKAP AS	0.1%	NOK 11,000

Roles

Daglig leder

4 selskaper

VESTFOLD & TELEMARK GLASSMESTERLAUG 915312802

RAVEIEN 318 AS 998204666

TØNSBERG GLASS HOLDING AS 923039112

TØNSBERG GLASSLIPERI OG SPEILFABRIKK AS 923268634

Styremedlem

4 selskaper

RAVEIEN 318 AS 998204666

VESTFOLD & TELEMARK GLASSMESTERLAUG 915312802

JARLSBERG OG MELSOM RIDEKLUBB 984423276

TØNSBERG GLASSLIPERI OG SPEILFABRIKK AS 923268634

Styrets leder

1 selskap

TØNSBERG GLASS HOLDING AS 923039112

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.