| BKBM Västervik AB | Göteborg | 0 tkr |
| BK Vattenbilning AB | Filipstad | 0 tkr |
| Blå Anemoner i Arvika AB | Arvika | 0 tkr |
| Blåbert Holding AB | Vålberg | 0 tkr |
| Black Box Bandits AB | Karlstad | 0 tkr |
| Blacksheep Invest Aktiebolag | Forshaga | 0 tkr |
| BL Control & Holding AB | Karlstad | 0 tkr |
| BLK Förvaltning AB | Arvika | 0 tkr |
| Block Seven AB | Karlstad | 0 tkr |
| Blombacka Bruk AB | Väse | 0 tkr |
| Blom investment AB | Årjäng | 0 tkr |
| Blomsterboden i Töckfors AB | Ed | 0 tkr |
| Blomster & Sand Invest AB | Karlstad | 0 tkr |
| Bloomington AB | Hammarö | 0 tkr |
| Bluebird Holding I Wermland AB | Karlstad | 0 tkr |
| Blue Catalyst AB | Karlstad | 0 tkr |
| BlueEEGEG AB | Hammarö | 0 tkr |
| Blue Lighthouse Management AB | Forshaga | 0 tkr |
| Blysjön Invest AB | Karlstad | 0 tkr |
| BMD Holding Sweden AB | Molkom | 0 tkr |
| BMK Taxi AB | Arvika | 0 tkr |
| BMMH Holding AB | Karlstad | 0 tkr |
| BNO Holding AB | Skattkärr | 0 tkr |
| Bobutiken Holding i Karlstad AB | Karlstad | 0 tkr |
| Boda Consult & Invest AB | Kil | 0 tkr |
| Boda Gård AB | Årjäng | 0 tkr |
| Bo Englund Consulting AB | Sunne | 0 tkr |
| Bofasterud Entreprenad AB | Karlstad | 0 tkr |
| Bograngen Holding AB | Bograngen | 0 tkr |
| BOGUS AB | Arvika | 0 tkr |
| Bo Ing Mar AB | Karlstad | 0 tkr |
| BöjFlamman Invest AB | Skoghall | 0 tkr |
| Bokliden Holding i Skived AB | Forshaga | 0 tkr |
| Bolagsinvest Sverige AB | Karlstad | 0 tkr |
| BOLAR Family AB | Karlstad | 0 tkr |
| Bolar Förvaltning AB | Karlstad | 0 tkr |
| Bolar Invest AB | Karlstad | 0 tkr |
| Bollås & Jovall Transport AB | Kristinehamn | 0 tkr |
| Bond 221 AB | Karlstad | 0 tkr |
| B O Nyström Åkeri Aktiebolag | Karlstad | 0 tkr |
| Borgaholm Management AB | Skoghall | 0 tkr |
| Börje Bäckström Holding AB | Karlstad | 0 tkr |
| Born Loser AB | Kolmården | 0 tkr |
| Born Winner AB | Stockholm | 0 tkr |
| Borserud Invest AB | Molkom | 0 tkr |
| Borserud Kraftverks AB | Säffle | 0 tkr |
| Borsjön Invest AB | Molkom | 0 tkr |
| BOSSCON AB | Karlstad | 0 tkr |
| Bostadsmäklarna i Karlstad Förvaltning AB | Karlstad | 0 tkr |
| Bostr AB | Karlstad | 0 tkr |