Infotechna
Infotechna Kft., H-1037 Budapest, Zay utca 3.
+36 1 327-2090
Websupport/Ezit
Websupport Magyarország Kft
H-1132 Budapest, Victor Hugo utca 18-22.
+36 1 700 40 30
Swisscom
Swisscom (Switzerland) Ltd.
IP-Plus engineering, Postfach, CH-3050, Bern, Switzerland
+41-58-221-98