Ministry of the Sea, Transport and Infrastructure
Ministry of Defence of the Republic of Croatia
Croatian Civil Aviation Agency
Zagreb International Airport Jsc.
Zadar Airport Ltd.
Osijek Airport Ltd.
Dubrovnik Airport Ltd.
Aviation Infrastructure Management Systems (AI-MS)
Ernst & Young (EY)
Rimac Group d.o.o
Pleso Transport Ltd.
BDO Croatia d.o.o.
Faculty of Transport and Traffic Sciences (University of Zagreb)
Faculty of Civil Engineering (University of Zagreb)
Croatian Academy of Sciences and Arts
European organization for Quality
International Academy for Quality
American Society for Quality