| Tylla Invest AB | Borlänge | 0 tkr |
| Tyllingstrands Holding AB | Falun | 0 tkr |
| UBACK Invest AB | Rättvik | 0 tkr |
| Uffes Fastigheter AB | Hedemora | 0 tkr |
| Ugglan Livs AB | Mora | 0 tkr |
| Uirentia AB | Falun | 0 tkr |
| UJK Finans AB | Borlänge | 0 tkr |
| UKE Bett i Mora AB | Mora | 0 tkr |
| Ulf Johansson i Slättberg AB | Bjursås | 0 tkr |
| Ulf Limell Holding AB | Falun | 0 tkr |
| Ulf Persson i Mora AB | Mora | 0 tkr |
| Ulrika och Anders Staaf AB | Sigtuna | 0 tkr |
| Ulrika Wahlstedt Holding AB | Leksand | 0 tkr |
| Ultra Plus AB | Borlänge | 0 tkr |
| Umano AB | By Kyrkby | 0 tkr |
| Underberg Såg & Montage AB | Borlänge | 0 tkr |
| Under Utveckling Sverige AB | Falun | 0 tkr |
| UNE Konsult AB | Falun | 0 tkr |
| Uniclass Team Aktiebolag | Mora | 0 tkr |
| Uniqum Etergy AB | Orsa | 0 tkr |
| Uniqum Försäkringsskanning i ORSA AB | Orsa | 0 tkr |
| United Profile Networks Holding AB | Djurås | 0 tkr |
| Univibe AB | Falun | 0 tkr |
| UNMD AB | Borlänge | 0 tkr |
| Upcurve AB | Falun | 0 tkr |
| Urban Liljeberg Skog AB | Orsa | 0 tkr |
| Urberget i dalarna AB | Gustafs | 0 tkr |
| Utfora AB | Ludvika | 0 tkr |
| Uthyrningsspecialisten i Mora AB | Mora | 0 tkr |
| Utvecklingskontoret i Dalarna AB | Falun | 0 tkr |
| Uvberget Mark AB | Siljansnäs | 0 tkr |
| Uw-Tech Group AB | Falun | 0 tkr |
| Vads Mekaniska AB | Söderbärke | 0 tkr |
| Våga Runn Maskinuthyrning AB | Borlänge | 0 tkr |
| Väghyveln Holding 3 AB | Falun | 0 tkr |
| Valcre Invest AB | Mora | 0 tkr |
| Vallaskogens Livs AB | Ludvika | 0 tkr |
| Vallbom Holding AB | Toftbyn | 0 tkr |
| Valleys AB | Rättvik | 0 tkr |
| Vålsboblik AB | Bålsta | 0 tkr |
| Våmhus Redovisning AB | Våmhus | 0 tkr |
| Vanadis Battery Metals AB | Hedemora | 0 tkr |
| Vangen Affärsutveckling Aktiebolag | Borlänge | 0 tkr |
| Vänorten Förvaltning Falun AB | Värmdö | 0 tkr |
| Vansbro Holding AB | Äppelbo | 0 tkr |
| Vansbro kiosken AB | Vansbro | 0 tkr |
| Väppling Consulting AB | Vikarbyn | 0 tkr |
| Vård & Förvaltning Ludvika AB | Ludvika | 0 tkr |
| Vård och Semester Lantgård Tolvsen AB | Söderbärke | 0 tkr |
| Vargnäset AB | Falun | 0 tkr |