| Participant | Country | Stand number |
|---|---|---|
| UCNL LLC | Russia | 838 |
| UGMK-Holding LLC | Russia | 233 |
| UKZ AO | Russia | 819 |
| United Engine Corporation JSC | Russia | 702 |
| United Indistrial Editorial OOO | Russia | 815 |
| United Shipbuilding Corporation | Russia | 701 |
| Uralelectromash CLSC | Russia | 829 |
| Uralelement" open joint stock company | Russia | 705 |
| Uralkabel JSC | Russia | 233 |
