| Name | Country | Region | Address |
|---|---|---|---|
| Stonehaven Steadings | USA | ||
| Stoneriggs Farm | USA | ||
| Stonestreet Thoroughbred Holdings LLC | USA | ||
| STOO "Amurskiy Partizan" | Russia | Амурская область | |
| Storoshenko Ekaterina Walerewn | Russia | Moscow region | |
| Storozhenko Anastasiya Olegovna | Russia | Калининградская область | |
| Storozhenko Sergey Vitalevich | Russia | Omsk region | |
| Storozhev Sergey Aleksandrovich | Russia | Белгородская область | |
| Storozhkova Marina Vladimirovna | Russia | Samara region | |
| Storozhuk Ekaterina Sergeyevna | Russia | Nijni Novgorod region |