- UAZ, OAO
| Russia | - Uchrezhdenie UYU 400/2, GP
| Russia | - Uchrezhdenie UYU 400/3, GP
| Russia | - Uchrezhdenie UYU 400/4, GP
| Russia | - Uchrezhdenie UYU 400/6, GP
| Russia | - Ufimskoe motorostroitelnoe proizvodstvennoe obedinenie, OAO
| Russia | - Uglichmash, OAO
| Russia | - Ugra, OAO
| Russia | - Ulyanovsky mehanichesky zavod ¹2, OAO
| Russia | - Ulyanovsky NIAT, OAO
| Russia | - Umanfermmash, OAO
| Ukraine | - Unigue ICs, Limited society
| Russia | - Universalbeton, OOO
| Russia | - Universalny Servis, OOO
| Russia | - UPONOR AB, AO
| Finland | - Upravlenie nachalnika rabot N494, OAO
| Russia | - Upravlenie proizvodstva i materialnogo obespecheniya ¹107, DGUP
| Russia | - Upravlenie stroitelstva 620, OAO
| Russia | - Ural-Mikma-Term, ZAO
| Russia | - Uralavtopricep, OAO
| Russia | - UralAZ, OAO
| Russia | - Uralchermetavtomatika NPP, ZAO
| Russia | - Uralkaliy, OAO
| Russia | - UralNITI, OAO
| Russia | - Uralskoe proizvodstvennoe predpriyatie "Vektor", OAO
| Russia | - Uralsky avtomotorny zavod, ZAO
| Russia | - Uralsky elektrohimichesky kombinat, FGUP
| Russia | - Uralsky zavod elektricheskih soedineny "Iset", OAO
| Russia | - Uralvagonzavod, GUP PO
| Russia | - Uvikom, OOO
| Russia |
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