| Name | Country | Region | Address |
|---|---|---|---|
| Stolypina A.V. | Russia | ||
| Stone Bridge Bloodstock | USA | ||
| Stone Bridge Farm | USA | ||
| Stone Farm | USA | ||
| 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 |