- 2N Telecommunicatio
- Address:Modranska 621
- DUETON SYSTEMS S.R.O.
- Address:Varsavska 290/13
- MEICO SYSTEM'S, s.r.o.
- Address:Mezi Vodami 205 / 29
- PATROKOLOS, s.r.o.
- Address:Lucni 907
- gstrade
- Address:J. Palacha
- Dawicom S. R. O.
- Address:Jizerska 226
- 2N Telecommunications
- Address:Modranska 621
- Isc Communication Czech A. S.
- Address:Tusarova 57
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