| Company address | Ryston Electronics s.r.o. |
| Pod vinici 2045/18 | |
| Praha 4 | |
| CZ-14300 | |
| Czech Republic | |
| Operator | +420 225 272 111 |
| info@ryston.cz | |
| Fax | +420 225 272 211 |
| Directors | Michal Manek | +420 225 272 232 |
| Sales | Martin Pilny | +420 225 272 225 |
| Fax (orders) | +420 225 272 211 | |
| Purchasing | Petra Brandejsova | +420 225 272 231 |
| Fax (purchasing) | +420 225 272 216 | |
| Accounting | Petra Janu | +420 225 272 286 |
| Fax (accounting) | +420 225 272 212 |
| Directors | Tomas Navratil | +420 225 272 262 |
| Directors | Jiri Matras | +420 225 272 263 |
| Directors | Vaclav Svoboda | +420 225 272 277 |