| Alexander Nilsson Holding AB | Köping | 0 tkr |
| Alex Mood AB | Västerås | 0 tkr |
| ALEXTI invest AB | Surahammar | 0 tkr |
| Alfa 50 AB | Västerås | 0 tkr |
| ALFAB Mobilkranar Aktiebolag | Västerås | 0 tkr |
| AlfaPro AB | Västerås | 0 tkr |
| Alf Hilding AB | Västerås | 0 tkr |
| Alfie AB | Västerås | 0 tkr |
| Alfr. Anderssons Logistik Holding Aktiebolag | Västerås | 0 tkr |
| ALF ULFWIN KONSULT AB | Skultuna | 0 tkr |
| Algots närmaste AB | Sala | 0 tkr |
| Align Physio AB | Kungsör | 0 tkr |
| ALK Group AB | Västerås | 0 tkr |
| Alkoservice AB | Västerås | 0 tkr |
| All In Project AB | Västerås | 0 tkr |
| All in West AB | Västerås | 0 tkr |
| Allmenea Holding AB | Hallstahammar | 0 tkr |
| ALLOTT AB | Kolsva | 0 tkr |
| Allöv Holding AB | Västerås | 0 tkr |
| Allöv & Kragges Holding AB | Västerås | 0 tkr |
| Alltjänst i Sverige AB | Köping | 0 tkr |
| Allus i Västerås AB | Västerås | 0 tkr |
| AllWorld Logistics Sweden AB | Västerås | 0 tkr |
| ALMEA Invest AB | Västerås | 0 tkr |
| Almerssons Holding AB | Västerås | 0 tkr |
| Alniemi Holding AB | Västerås | 0 tkr |
| ALNOWI Consulting AB | Västerås | 0 tkr |
| ALOHA Properties AB | Västerås | 0 tkr |
| Alpha Power AB | Västerås | 0 tkr |
| ALSTOM Holding Sweden AB | Stockholm | 0 tkr |
| Altanexperten Skandinavien AB | Västerås | 0 tkr |
| Altun Holding AB | Västerås | 0 tkr |
| Alveheim Invest AB | Enköping | 0 tkr |
| Alvira.NJ bygg AB | Västerås | 0 tkr |
| AlZec AB | Västerås | 0 tkr |
| Amaan Trygg hem AB | Arboga | 0 tkr |
| Amabo AB | Västerås | 0 tkr |
| AMAK Consulting Sweden AB | Västerås | 0 tkr |
| Amanda Eklund AB | Skultuna | 0 tkr |
| AM Byrå AB | Västerås | 0 tkr |
| AMD Fastigheter AB | Arboga | 0 tkr |
| AMG Ander Management Group AB | Sala | 0 tkr |
| Amin Invest AB | Västerås | 0 tkr |
| AMJ i Västerås AB | Västerås | 0 tkr |
| AM Kompetensförsörjning AB | Västerås | 0 tkr |
| AMK Sales AB | Västerås | 0 tkr |
| Amon Platforms AB | Västerås | 0 tkr |
| Amora bygg&förvaltning AB | Västerås | 0 tkr |
| AM Scandinavian Media Holding AB | Västerås | 0 tkr |
| Amymone Holding Aktiebolag | Västerås | 0 tkr |