References

Indicative of the quality of the activities performed by  „PST GROUP” JSC are:
• References by our Clients and companies that are leaders in the road construction branch;
• Attestation by the Ministry of Regional Development and Public Works;
• Bulgarian Branch Chamber  and Bulgarian Industrial Association Certificates;
• Road safety Bulgarian Branch Association Certificates;
• ITS Bulgaria Certificates.
„PST HOLDING”JSC has implemented:
Integrated Management System, certified with QS-3524 HH; ЕM-6032 НН and S-6031 HH  in compliance with  standards
• ISO 9001:2008;
• ISO 14001:2004;
• OHSAS 18001:2007. It is being supervised by Germanischer LIoyd Certification GmdH.
• SA 809, a certificate in accordance with standard SA 8000:2008. It is being supervised by RINA Bulgaria Ltd.
The company maintains a control system on the production of asphalt mixtures with a certificate – CPD16–NB2117-HCИСОССП-136, issued by “Labis” Ltd. and EU Certificate of conformity – 2069-CPD-0092 , issued by INDEPENDENT CONSTRUCTION  LABORATORY „INFRASTRUCTURE” Ltd. for the production of rigid road signs.
„PST HOLDING”JSC has won a gold medal at the International Technical Fair – Plovdiv.
„PST HOLDING”JSC owns a trademark № 16545 and service mark № 553.