| Innovative Design Sweden AB | Västerås | 0 tkr |
| Inocon i Västerås AB | Västerås | 0 tkr |
| iNPACE CAPITAL AB | Västerås | 0 tkr |
| iNPACE RENTALS AB | Västerås | 0 tkr |
| INPoI AB | Västerås | 0 tkr |
| Inspirationsfabriken AB | Västerås | 0 tkr |
| Intelligent Energy Engineering Scandinavia AB | Västerås | 0 tkr |
| Internesru AB | Västerås | 0 tkr |
| Invest Bergvägen 1 AB | Västerås | 0 tkr |
| Invest Maria Stål Lindgren AB | Västerås | 0 tkr |
| Investment and Law Services in Europe AB | Stavsjö | 0 tkr |
| In Westeras administration AB | Västerås | 0 tkr |
| iosai AB | Västerås | 0 tkr |
| IPK Läkarkonsult AB | Västerås | 0 tkr |
| Ipsenova AB | Stockholm | 0 tkr |
| Irma 1 Invest i Västerås AB | Borlänge | 0 tkr |
| Irma Medical AB | Västerås | 0 tkr |
| Irsta-lista Invest AB | Västerås | 0 tkr |
| Irsta Space Invest AB | Västerås | 0 tkr |
| I & S Byggservice AB | Gävle | 0 tkr |
| Isovic Investment AB | Västerås | 0 tkr |
| Italy Tours AB | Västerås | 0 tkr |
| ITDS Sweden AB | Västerås | 0 tkr |
| IVAPEC Power & Energy AB | Västerås | 0 tkr |
| J.A. Group Holding AB | Kvicksund | 0 tkr |
| Jai Tim Invest AB | Västerås | 0 tkr |
| Jakob Mårtensson AB | Västerås | 0 tkr |
| J.A Lindén Holding AB | Västerås | 0 tkr |
| JALN holding AB | Västerås | 0 tkr |
| Jalysi AB | Västerås | 0 tkr |
| Jalysi Group AB | Västerås | 0 tkr |
| J and J Entertainment AB | Västerås | 0 tkr |
| Jan Elfström Aktiebolag | Västerås | 0 tkr |
| Janif AB | Västerås | 0 tkr |
| JANNBORG Engineering AB | Västerås | 0 tkr |
| Jan Torsteinsrud Invest AB | Västerås | 0 tkr |
| Jarka Fastigheter AB | Västerås | 0 tkr |
| JARMAF AB | Västerås | 0 tkr |
| JAV Fastigheter AB | Västerås | 0 tkr |
| Jawad Khan Holding AB | Västerås | 0 tkr |
| JayWe AB | Västerås | 0 tkr |
| JaZa Konsulttjänster AB | Västerås | 0 tkr |
| JBC Fast AB | Västerås | 0 tkr |
| JBC Invest AB | Västerås | 0 tkr |
| JB Import&Export AB | Västerås | 0 tkr |
| J.Björkqvist Holding AB | Västerås | 0 tkr |
| JBV holding AB | Västerås | 0 tkr |
| J Callmer Holding AB | Västerås | 0 tkr |
| JC Consulting AB | Västerås | 0 tkr |
| JCK Förvaltning Västerås AB | Västerås | 0 tkr |