| William Maximus Aktiebolag | Norrköping | 0 tkr |
| Willquist WIP AB | Linköping | 0 tkr |
| Willy Devgun Invest AB | Kolmården | 0 tkr |
| Willy Lindell AB | Kisa | 0 tkr |
| Willys Collection SIDARTHA Aktiebolag | Kolmården | 0 tkr |
| Wiluk invest AB | Linköping | 0 tkr |
| Wilzén Fastigheter Julisa AB | Kalmar | 0 tkr |
| Wilzéns Invest AB | Kalmar | 0 tkr |
| Wilzéns Invest Tre AB | Kalmar | 0 tkr |
| Wilzéns invest två AB | Kalmar | 0 tkr |
| Windahl Holding AB | Tyresö | 0 tkr |
| Windon Energy Solutions AB | Tranås | 0 tkr |
| Winett Holding AB | Linköping | 0 tkr |
| Wingfield Labs AB | Katrineholm | 0 tkr |
| Winn Hotel Group Norrköping AB | Gävle | 0 tkr |
| Winslow Service AB | Linköping | 0 tkr |
| wirfan AB | Boxholm | 0 tkr |
| Wirström Invest Aktiebolag | Norrköping | 0 tkr |
| Wisa Holding AB | Linköping | 0 tkr |
| WiSonix AB | Åtvidaberg | 0 tkr |
| Wiss Group AB | Edsbruk | 0 tkr |
| Wistbo NG2 AB | Norrköping | 0 tkr |
| Wittenfeldt Invest AB | Ljungsbro | 0 tkr |
| Wittzell Activities AB | Halmstad | 0 tkr |
| WKoncern AB | Linghem | 0 tkr |
| W & L Holding AB | Norrköping | 0 tkr |
| WLL HOLDING AB | Norrköping | 0 tkr |
| WMM Invest AB | Norrköping | 0 tkr |
| WMW Fastighetsförvaltning AB | Norrköping | 0 tkr |
| WoG Partner AB | Motala | 0 tkr |
| Wolfgang och Anettes Förvaltning AB | Norrköping | 0 tkr |
| Wolfram Holding AB | Linköping | 0 tkr |
| Wolvingska Punkteriet AB | Linköping | 0 tkr |
| WONAB AB | Tjällmo | 0 tkr |
| Woodcutter AB | Söderköping | 0 tkr |
| Workoholica AB | Arvika | 0 tkr |
| World Amb AB | Norrköping | 0 tkr |
| Woxscentia AB | Linköping | 0 tkr |
| WS Förvaltning AB | Finspång | 0 tkr |
| WSM Fastigheter AB | Täby | 0 tkr |
| W.Stark Holding AB | Mjölby | 0 tkr |
| WtE Investor AB | Bara | 0 tkr |
| WTT Investment AB | Norrköping | 0 tkr |
| Wurlin holding AB | Norrköping | 0 tkr |
| WW Förvaltning AB | Mantorp | 0 tkr |
| X3M Invest AB | Norrköping | 0 tkr |
| Xcelit Consulting AB | Norrköping | 0 tkr |
| XCIT AB | Ljungsbro | 0 tkr |
| X-doc Holding AB | Linköping | 0 tkr |
| Xevato Innovations AB | Skänninge | 0 tkr |