| Name | Country | Region | Address |
|---|---|---|---|
| Syromyatnikova Tatyana Vladimirovna | Russia | Moscow region | |
| Syropyatova Kseniya Aleksandrovna | Russia | Sverdlovsk region | |
| Syrovatsky Mikhail Fedorovich | Russia | Tatarstan | |
| Syrtseva Diana Fyedorovna i Elfimova Darya Aleksandrovna | Russia | Voronezh region | |
| Syrtseva Dina Fedorovna | Russia | ||
| Syrtseva Dina Fedorovna i Shkirenko Yury Andreevich | Russia | ||
| Syrtsov Vladimir Ivanovich | Russia | Moscow | |
| Sysa A.N. Volgogradskaya oblast | Russia | Volgograd region | |
| Sysoev Aleksand Vadimovich | Russia | ||
| Sysoev S.P., Krasnoyarsky kray | Russia | Krasnoyarsk region |