Sales of building materials:
- KNAUF
- RIGIPS
- FERMACELL
- JUB
- KRONOSPAN OSB
- PARABIT KVK
- NORGIPS
- ISOVER
- KNAUF INSULATION
- WEBER TERRANOVA
- ROCKWOOL
- AMF THERMATEX
- CEMIX
- JUTE
- CIKO
- YTONG
- POROBETON
- PORFIX
- THE BRAVEN
- LEAR
- RAPI TEC
- PRESBETON
- PREMAC
- HELUZ
- WIENERBERGER
- and many others