A1 Telekom Austria AG
14
T mobile Austria GmbH
9
Hutchison Drei Austria GmbH
6
Microsoft Corporation
2
Foundation for Applied Privacy
1
Nic.at GmbH
1
International Institute for Applied Systems Analysis
1
Kabelplus GmbH
1
Deutsche Telekom Global Business Solutions GmbH
1
Timewarp IT Consulting GmbH
1