| WestOfPark89 AB | Själevad | 0 tkr |
| WF Bilar AB | Gideå | 0 tkr |
| WH Holding AB | Sundsbruk | 0 tkr |
| White Monkey AB | Sundsvall | 0 tkr |
| White Rabbit IT AB | Östavall | 0 tkr |
| Wibergs Bygg Aktiebolag | Örnsköldsvik | 0 tkr |
| WIBLIWI AB | Överhörnäs | 0 tkr |
| Wicked Capital AB | Alnö | 0 tkr |
| wideslope Consulting AB | Sundsvall | 0 tkr |
| Widinghoff Holding AB | Härnösand | 0 tkr |
| Wiigård Förvaltning AB | Sundsvall | 0 tkr |
| Wiklund & Forsgren AB | Örnsköldsvik | 0 tkr |
| Wilander Projektledning AB | Kalmar | 0 tkr |
| WilGe AB | Enebyberg | 0 tkr |
| Wilhelmina Holding AB | Vilhelmina | 0 tkr |
| William Eriksson Invest AB | Örnsköldsvik | 0 tkr |
| Windchange Invest AB | Lidingö | 0 tkr |
| Windchange West AB | Lidingö | 0 tkr |
| Windico AB | Alnö | 0 tkr |
| Windling Läkartjänster AB | Härnösand | 0 tkr |
| Wingstedt Maskin AB | Bispgården | 0 tkr |
| Wintherbolagen i Örnsköldsvik AB | Örnsköldsvik | 0 tkr |
| Winther Byggteknik Aktiebolag | Örnsköldsvik | 0 tkr |
| WinVin Fun Invest AB | Sundsvall | 0 tkr |
| Win-win Avfall AB | Domsjö | 0 tkr |
| Wi&Per Lyftteknik AB | Alnö | 0 tkr |
| Wirmeskog Holding AB | Sundsvall | 0 tkr |
| With You Fastigheter AB | Sundsvall | 0 tkr |
| With You Norrland AB | Sundsvall | 0 tkr |
| With You Örnsköldsvik AB | Sundsvall | 0 tkr |
| With You Resurs AB | Sundsvall | 0 tkr |
| With You Slagan AB | Sundsvall | 0 tkr |
| With You Snow Holding AB | Sundsvall | 0 tkr |
| With You Vivstamon Två AB | Sundsvall | 0 tkr |
| WJP Invest i Björna AB | Norrfors | 0 tkr |
| WNR Invest AB | Sundsvall | 0 tkr |
| Wongs Asian Fastfood AB | Sundsvall | 0 tkr |
| Wood Family AB | Gustavsberg | 0 tkr |
| Woodland Lake Holding AB | Sundsvall | 0 tkr |
| Woodpecker IT AB | Sundsvall | 0 tkr |
| Wood Studios AB | Själevad | 0 tkr |
| Workblaze invest AB | Sundsvall | 0 tkr |
| World Class Wood Supply SWE AB | Njurunda | 0 tkr |
| W & P Invest AB | Härnösand | 0 tkr |
| WS Code AB | Sundsvall | 0 tkr |
| W. Sörgren Holding AB | Sundsvall | 0 tkr |
| Wyckid Solutions AB | Njurunda | 0 tkr |
| xellice AB | Domsjö | 0 tkr |
| Xwall AB | Örnsköldsvik | 0 tkr |
| X-Yxan AB | Alnö | 0 tkr |