| Betefex AB | Umeå | 0 tkr |
| Betelgeuse Music AB | Skellefteå | 0 tkr |
| BEWI Automotive Holding AB | Solna | 0 tkr |
| BGDN Group Holding AB | Umeå | 0 tkr |
| B&G Invest AB | Umeå | 0 tkr |
| BH Kapitalinvest AB | Lycksele | 0 tkr |
| Bianconeri Invest AB | Umeå | 0 tkr |
| Bigarråvägen Capital AB | Umeå | 0 tkr |
| Bigarråvägen Holding AB | Umeå | 0 tkr |
| Bigglo AB | Skellefteå | 0 tkr |
| Bilfrakt Bothnia Kapitalförvaltning Aktiebolag | Umeå | 0 tkr |
| Bilgruppen i Norr AB | Umeå | 0 tkr |
| Billy & Sudden AB | Umeå | 0 tkr |
| Bilmäklar'n Holding i Skellefteå AB | Skellefteå | 0 tkr |
| BioEndev AB | Umeå | 0 tkr |
| BioEndev Production AB | Umeå | 0 tkr |
| BioEndev Solution AB | Holmsund | 0 tkr |
| BioTab AB | Skellefteå | 0 tkr |
| Birches Umeå AB | Umeå | 0 tkr |
| Birgitta Grönlund AB | Ursviken | 0 tkr |
| bitseeker AB | Umeå | 0 tkr |
| Bivack i Hudiksvall AB | Umeå | 0 tkr |
| Bjärven Holding AB | Umeå | 0 tkr |
| Bjbe AB | Umeå | 0 tkr |
| Bjenberg Invest AB | Umeå | 0 tkr |
| BJ Kardiologi AB | Umeå | 0 tkr |
| Björkågatan Fastigheter i Malmö Aktiebolag | Umeå | 0 tkr |
| Björkå Holding AB | Umeå | 0 tkr |
| Björkbladet Holding AB | Holmsund | 0 tkr |
| Björkfors Exploatering AB | Umeå | 0 tkr |
| Björkfors Fastighets AB | Umeå | 0 tkr |
| Björkmans Krafttjänst AB | Obbola | 0 tkr |
| Björkstaden Mark AB | Umeå | 0 tkr |
| Björkstadens Förvaltning AB | Umeå | 0 tkr |
| Björkstaden Skog AB | Botsmark | 0 tkr |
| Björkstascan i Umeå AB | Umeå | 0 tkr |
| Björk Works AB | Obbola | 0 tkr |
| Björn Alenius AB | Umeå | 0 tkr |
| Björn Berg AB | Umeå | 0 tkr |
| Björnestål Energi Teknik Aktiebolag | Umeå | 0 tkr |
| Björnfällan AB | Vilhelmina | 0 tkr |
| Björn invest & infrastruktur AB | Umeå | 0 tkr |
| Björn J Holding AB | Vännäs | 0 tkr |
| BjörnJohans AB | Hällaström | 0 tkr |
| Björn Tommy AB | Umeå | 0 tkr |
| Björnvägen Holding AB | Umeå | 0 tkr |
| Björn Valdemar Wilder AB | Vännäs | 0 tkr |
| Björn Vikberg Invest Aktiebolag | Norsjö | 0 tkr |
| Björnvind Holding AB | Vilhelmina | 0 tkr |
| BJT Holding AB | Ramsjö | 0 tkr |