| Name | Country | Region | Address |
|---|---|---|---|
| Wereninowa Marina Alekseewna | Russia | Moscow | |
| Wereschagina Marina Wladimirow | Russia | S.-Peterburg | |
| Werona, KSK | Russia | Moscow region | |
| Wertheimer & Frere | USA | ||
| Wertikal, KSK | Russia | ||
| Weschikowa I. | Russia | Moscow | |
| West Bury Stables LLC | USA | ||
| Westbrook Stables LLC | USA | ||
| Western Bloodstock | USA | ||
| Western Stud | China |