| Name | Country | Region | Address |
|---|---|---|---|
| Uchhoz Kirgizskogo SHI | |||
| Uchhoz Ulianovskogo SHI | Russia | ||
| uchkhoz "Druzhba" | Russia | Iaroslavl region | |
| Uchkhoz Dag SKhI | Russia | Dagestan | |
| Uchkin Aleksey Aleksandrovich | Russia | Moscow | |
| Uchrezhdenie "Respublikansky tsentr Olimpyskoy podgotovki konnogo sporta i konevodstva" | Belarus | ||
| Udachina Evgeniya Vyacheslavovna | Russia | Moscow | |
| udalit | Russia | ||
| Udalov Vladimir Nikolaevich | Russia | Moscow region | |
| Udalov Ye.M. | Russia |