O. Berge AS

Odin Maskin AS

Odin Miljø AS

Number Product Holder Valid until
TG 20513 Odin Miljø AS 01.04.2022

Officine Rigamonti S.P.A

Olastubben AS

Number Product Holder Valid until
PS 0739 Olastubben AS 01.10.2019

Oldroyd as

Olimb Rørfornying Holding AS

Number Product Holder Valid until
TG 20045 Olimb Rørfornying Holding AS 01.07.2020

Oliveira & Irmão, S.A.

OMBG srl

Number Product Holder Valid until
PS 0289 OMBG srl 01.06.2023

Optimera AS

Oras Armatur AS

Overhalla Hus AS

Number Product Holder Valid until
TG 2612 Overhalla Hus AS 01.01.2022

Owens Corning

Number Product Holder Valid until
1071-CPR-7007 Owens Corning 01.10.2021