DRUŠTVO ZA GRAĐEVINARSTVO, PROIZVODNJU I PROMET EXPORT-IMPORT KROLING DOO OGRANAK BEOGRAD-VRAČAR Vracar Construction of residential and non-residential buildings Registration number 29509999
KROLE INŽENJERING DOO BEOGRAD Zemun Construction of residential and non-residential buildings Registration number 22000802
PREDUZEĆE ZA ODRŽAVANJE OBJEKATA I ZAVRŠNE RADOVE U GRAĐEVINARSTVU KROL HOUSEKEEPING DOO, BEOGRAD Savski Venac General cleaning of buildings Registration number 17174479