Die Gruppe

PGO Granit S.A. - http://www.granit-strzegom.com.pl

POK Granit Sp. z o.o. - http://www.pok-granit.pl

INPROD INVESTMENT Sp z o.o. - http://www.inprod-investment.pl

GRANBEST Sp z o.o. - http://www.granbest.pl

PTK Holding S.A. - http://www.ptkholding.pl