| Yacero Holding AB | Upplands Väsby | 0 tkr |
| Zander Invest AB | Tyresö | 0 tkr |
| ZH Care AB | Tyresö | 0 tkr |
| Zofti AB | Tyresö | 0 tkr |
| Ztimur International AB | Täby | 0 tkr |
| Zyntra Finans AB | Tyresö | 0 tkr |
| Z&Z fastighetsbolag AB | Tyresö | 0 tkr |
| 3D bilvård Handelsbolag | Tyresö | — |
| 49:ans bygg Kommanditbolag | Tyresö | — |
| 612 Media & Logistik AB | Tyresö | — |
| A.A. Invest Handelsbolag | Tyresö | — |
| AB Premium Måleri & Entreprenad Tyresö | Tyresö | — |
| Ace Golf Sweden AB | Tyresö | — |
| AD Claris & Bygg AB | Tyresö | — |
| Advanced Digital Physics i Tyresö Kommanditbolag | Tyresö | — |
| AEA Bygg AB | Tyresö | — |
| A & I Entreprenad AB | Tyresö | — |
| Aigevi Arts AB | Tyresö | — |
| AJ Jouren AB | Bandhagen | — |
| AK Skogsvård Kommanditbolag | Månkarbo | — |
| Aktiebolaget Speakerpingvinen | Tyresö | — |
| AlfaWest Consulting Handelsbolag | Tyresö | — |
| Alf Ulfwin Handelsbolag | Skultuna | — |
| Align Solutions Sweden AB | Tyresö | — |
| Allinmind Publishing Handelsbolag | Tyresö | — |
| Alltid Redo Allservice Sthlm AB | Tyresö | — |
| Alpha Elite Analytics Kommanditbolag | Tyresö | — |
| ambr AB | Tyresö | — |
| AMK Asfalt & Mark Konsulterna Kommanditbolag | Tyresö | — |
| Anderssons naturtjänst AB | Tyresö | — |
| Andres Koderi AB | Tyresö | — |
| AP Consulting Stockholm AB | Tyresö | — |
| Apiary Language Services AB | Tyresö | — |
| Artur Consulting AB | Tyresö | — |
| Aspiria Growth AB | Tyresö | — |
| Aston Fredriksson AB | Tyresö | — |
| Åstrand Advisory AB | Tyresö | — |
| at ease Handelsbolag | Tyresö | — |
| Atlassi Stockholm AB | Tyresö | — |
| Aurello AB | Tyresö | — |
| Aurolabs AB | Tyresö | — |
| Aurora GT AB | Tyresö | — |
| Avenory AB | Tyresö | — |
| BASUNDHARA Handelsbolag | Tyresö | — |
| BDJ El, Bertil D Johansson Kommanditbolag | Tyresö | — |
| Beiged PR AB | Tyresö | — |
| Beliniverse AB | Tyresö | — |
| Bells Ekostäd & Flytt AB | Tyresö | — |
| BICCOTEX Handelsbolag | Ingarö | — |
| Biomaxi Handelsbolag | Tyresö | — |