CHAMBER OF THE CONSTRUCTORS IN BULGARIA Group 1 – construction and building from categories one to five (1-5)
CHAMBER OF THE CONSTRUCTORS IN BULGARIA Group 2 – construction and building from categories one to four (1-4)
CHAMBER OF THE CONSTRUCTORS IN BULGARIA Group 3 – construction and building from categories two and three (2-3)
CHAMBER OF THE CONSTRUCTORS IN BULGARIA Group 4 – construction and building from categories one to four (1-4)
ISO 9001:2008
SA 8000:2008
ISO 14001:2004
OHSAS 18001:2007