Collective members are
Kotonteks d.o.o., Josipa Pupačića 3, 42000 Varaždin, http://kotonteks.hr/
Geotehnički studio, Ul. Nikole Pavića 11, 10000, Zagreb, http://geotehnicki-studio.c-a.com.hr/
Geoexpert, Brezovička cesta 48E, 10000, Zagreb, http://www.geoekspert.hr
Geobrugg, Geobrugg AG Representative office in the Republic of Croatia, Avenija Većeslava Holjevca 40, 10000 Zagreb, https://www.geobrugg.com/