Gas boilers:
- Geminox
- Buderus
- e.l.m. Leblanc
- Ferroli
- Leagues
- Leiber
- Junkers
- Viessmann.
Plumbing:
- Yikes
- Ravak
- Aqua trade
- Sanit Eisenberg
- Ecoplastic.
- PPR – Ekoplastik material for water installation, heating
- PVC, HT, KG system DYKA material for sewerage installation..