Shopping centers
Natural smoke exhausting
WOOD Sp. z o.o.
STRABAG
Hotels
Fire ventilation systems
Przedsiębiorstwo Inżynierii Sanitarnej W.PIOTROWSKI
Tunnels/Metro
Securing construction
Polnord Warszawa - Wilanów IV Sp. z o.o.
Public buildings
Harald Meyer Brandschutz-Elektro Sp. z o.o.
Office buildings
KLIMAWENTEX SP. Z O.O.