SINTEF Certification

Raccorderie Metalliche S.p.A

Radonkompetanse AS

Radonor as

RAK Ceramics PJSC

Ranheim Paper & Board AS

Rapp Pyrotec AS

RAWLPLUG SA

Rehau AS

RENOLIT Nordic A/S

Ringsaker Vegg og Takelementer AS

RM Industri AS

Roca Sanitario S.A.

Rockwool AS

Roth Nordic A/S

Roth Norge AS

Rotho Blaas s.r.l.

Rusånes Fabrikker AS

Ruukki Construction Oy

Ruukki Norge AS