| Water Bridge AB | Gävle | 0 tkr |
| WBB International AB | Ockelbo | 0 tkr |
| WBOAR Holding AB | Gävle | 0 tkr |
| WCL Tech AB | Furuvik | 0 tkr |
| W.D. Sweden AB | Gävle | 0 tkr |
| WELE AB | Gävle | 0 tkr |
| WessBack Fastighets AB | Gävle | 0 tkr |
| Wessén Investment Group 2 AB | Gävle | 0 tkr |
| Wessén Investment Group AB | Gävle | 0 tkr |
| Wesslén & Kreüger Aktiebolag | Hedesunda | 0 tkr |
| WESTFAB i Gävle AB | Gävle | 0 tkr |
| Westman NP AB | Valbo | 0 tkr |
| WestVa AB | Gävle | 0 tkr |
| WH24 i Gävle AB | Skutskär | 0 tkr |
| WHG Fastigheter AB | Gävle | 0 tkr |
| Wiberg Weiss AB | Gävle | 0 tkr |
| Wicaan AB | Gävle | 0 tkr |
| WiksellData AB | Gävle | 0 tkr |
| Willeah AB | Gävle | 0 tkr |
| Willy Eriksson Förvaltnings AB | Idre | 0 tkr |
| Wimarks i gävle AB | Gävle | 0 tkr |
| WIMASUBE Invest AB | Gävle | 0 tkr |
| wimsun invest AB | Gävle | 0 tkr |
| Winclude AB | Gävle | 0 tkr |
| Winges Alacant AB | Kumla | 0 tkr |
| Winn Property Development AB | Gävle | 0 tkr |
| Winn Rindö Fastigheter AB | Gävle | 0 tkr |
| WiseFonts AB | Uppsala | 0 tkr |
| Wisetech Sweden Holding AB | Gävle | 0 tkr |
| Wisetell AB | Gävle | 0 tkr |
| WLW Construction AB | Gävle | 0 tkr |
| WPD Holding AB | Gävle | 0 tkr |
| WS NORDIC SWEDEN AB | Åshammar | 0 tkr |
| Xcavator fastigheter AB | Gävle | 0 tkr |
| Xcavator invest AB | Gävle | 0 tkr |
| XIRO CONSTRUCTIONS AB | Forsbacka | 0 tkr |
| X-Schakt Holding AB | Gävle | 0 tkr |
| Yildirim Energy International Investments Holding AB | Rosersberg | 0 tkr |
| Yilport Ecuador Terminal Investments AB | Rosersberg | 0 tkr |
| Yilport Portugal Overseas Terminal Investments AB | Rosersberg | 0 tkr |
| YouDrive Invest AB | Gävle | 0 tkr |
| Y & S Screentryck Aktiebolag | Skutskär | 0 tkr |
| Y&Y Health AB | Gävle | 0 tkr |
| Z Arkitektkontor Aktiebolag | Enskede Gård | 0 tkr |
| Z&D Holding AB | Gävle | 0 tkr |
| Zequel AB | Sollentuna | 0 tkr |
| Zer Investment AB | Falun | 0 tkr |
| ZT Management AB | Gävle | 0 tkr |
| 3E Entreprenad AB | Valbo | — |
| 3XTrä AB | Gävle | — |