Companies and Corporations:
- ČSOB Leasing a.s.
- Radio Free Europe
- Institute for Clinical and Experimental Medicine (IKEM)
- Toyota Peugeot Citroën Automobile Czech, s.r.o.
- Toyota Motor Czech s.r.o.
- Komerční banka, a.s.
- Československá obchodní banka a.s.
- UniCredit Bank Czech Republic, a.s.
- ČEZ, a.s.
State and Public Sector:
- Ministry of Foreign Affairs
- Ministry of Interior
Operators:
- Mobilkom a.s.
- RIO Media a.s.
- SkyNet, a.s.
- Neuf Telecom
- Telekom Austria
- Telefónica O2 Czech Republic, a.s.
- České Radiokomunikace a.s.
- UPC Česká republika, a.s.