Alcatel-Lucent	Austria
Ericsson AUT	Austria
Ericsson Nikola Tesla	Croatia
GPS Bulgaria	Bulgaria
HP	Croatia
Huawei	Austria/Croatia
IBM AUT	Austria
IBM CRO	Croatia
Kapsch AUT	Austria
Kapsch CRO	Croatia
Kapsch SRB	Serbia
Mags	Austria
Mobilkom Austria	Austria
Mobiltel	Bulgaria
Motorola	Austria
Nokia-Siemens-Network	Austria
Nortel	Austria
Si.mobil	Slovenia
Starhome	Israel
TIBCO	Austria
Vip mobile	Serbia
Vip operator	Former Yugoslav Republic of Macedonia
Vipnet	Croatia
Velcom	Belarus
Atlantic trade	Croatia
Vodafone	Great Briatain
Microsoft	Croatia
Recronet	Croatia
L.G. mobile	Croatia
Microline	Croatia
Auto Zubak	Croatia
Tele2	Croatia
Daimler Chrysler	Croatia
MVPEI	Croatia
MAN Hrvatska	Croatia
Paybox	Austria
Istratel	Slovenia
City centar	Slovenia
Siemens AUT	Austria
Siemens BUL	Bulgaria
Siemens CRO	Croatia
Booz All.Hamilton	Austria
Gazprom	Russia
Gorenje	Croatia
Recro-net	Croatia
Trend Micro	Croatia
Verakom	Croatia