| Å W Åkeri AB | Arboga | 0 tkr |
| AWCAP AB | Västerås | 0 tkr |
| AW Core Tech AB | Västerås | 0 tkr |
| A wholesome me Sweden AB | Västerås | 0 tkr |
| AWM Business AB | Avesta | 0 tkr |
| Awol Invest AB | Västerås | 0 tkr |
| Axalon AB | Västerås | 0 tkr |
| Axel Nordkvist Holding AB | Köping | 0 tkr |
| Axelsson Holding i Köping AB | Köping | 0 tkr |
| Axlar-Anders X Larsson Consulting AB | Västerås | 0 tkr |
| Axva Assistans AB | Surahammar | 0 tkr |
| Aylissa AB | Västerås | 0 tkr |
| AzoCare Holding AB | Västerås | 0 tkr |
| Bäckby Bilvård AB | Västerås | 0 tkr |
| Backdrop Foundry AB | Västerås | 0 tkr |
| Bäckström och Rehn Fastighetsaktiebolag | Västerfärnebo | 0 tkr |
| BackToWork Holding AB | Västerås | 0 tkr |
| Badrumsbyggaren i Mellansverige AB | Västerås | 0 tkr |
| Baimon Nordic AB | Västerås | 0 tkr |
| Balo Group AB | Köping | 0 tkr |
| Barca Invest AB | Västerås | 0 tkr |
| Barisa Innovation AB | Västerås | 0 tkr |
| Barkarö Bygg AB | Västerås | 0 tkr |
| Barkarö Exploatering AB | Västerås | 0 tkr |
| Barnen TLF Sjölund AB | Västerås | 0 tkr |
| Barn & Lek i Västerås AB | Västerås | 0 tkr |
| Barrthe Consulting AB | By Kyrkby | 0 tkr |
| Barzanje Sweden AB | Västerås | 0 tkr |
| Basilico Bar & Ristorante AB | Hallstahammar | 0 tkr |
| BAXTERS TREATS AB | Västerås | 0 tkr |
| BBrosFit Holding AB | Västerås | 0 tkr |
| BC Med AB | Västerås | 0 tkr |
| BD Bistro & Bar AB | Västerås | 0 tkr |
| BeBright IT-Consulting AB | Västerås | 0 tkr |
| BEC Invest AB | Västerås | 0 tkr |
| Bed & Breakfast i Västerås Aktiebolag | Lidingö | 0 tkr |
| Be-Ge Förarmiljö Holding AB | Kolsva | 0 tkr |
| Behrens Holding AB | Fagersta | 0 tkr |
| Behsood AB | Köping | 0 tkr |
| Beigler Förvaltnings Aktiebolag | Hallstahammar | 0 tkr |
| BE Johansson Bygg Aktiebolag | Kungsör | 0 tkr |
| BEK stable AB | Köping | 0 tkr |
| Belargo AB | Västerås | 0 tkr |
| BEL Holding AB | Västerås | 0 tkr |
| BELLROCK TRUST AB | Kvicksund | 0 tkr |
| Benedicte Good Holding AB | Sala | 0 tkr |
| Benny Berglund AB | Västerås | 0 tkr |
| Benny Skorsten Holding AB | Västerås | 0 tkr |
| Benven Invest AB | Västerås | 0 tkr |
| Benyamin Consulting AB | Västerås | 0 tkr |