| Blackhawk Invest AB | Jönköping | 0 tkr |
| Bläckhornet Psykiatrikonsult AB | Eksjö | 0 tkr |
| Blank Day AB | Jönköping | 0 tkr |
| Blankefall Fastigheter & Förvaltning AB | Nässjö | 0 tkr |
| B L Competition Specialities AB | Huskvarna | 0 tkr |
| BLM Fastigheter AB | Tranås | 0 tkr |
| BlockchainX AB | Sundbyberg | 0 tkr |
| Blogix AB | Upplands Väsby | 0 tkr |
| BLR REST AB | Huskvarna | 0 tkr |
| BL Schakt AB | Värnamo | 0 tkr |
| Bluehour AB | Jönköping | 0 tkr |
| Bluerange AB | Jönköping | 0 tkr |
| Bluestone Group AB | Jönköping | 0 tkr |
| BlueWall AB | Jönköping | 0 tkr |
| Blue Wall Construction Väst AB | Jönköping | 0 tkr |
| BM Allservice i Tranås AB | Tranås | 0 tkr |
| BM Bränninge Holding AB | Habo | 0 tkr |
| B&M Design AB | Värnamo | 0 tkr |
| B & ME AB | Jönköping | 0 tkr |
| BMPM Holding AB | Habo | 0 tkr |
| BM Projekt i Väst AB | Habo | 0 tkr |
| BN1B6 AB | Habo | 0 tkr |
| BN Fastighetskonsult & Invest AB | Huskvarna | 0 tkr |
| BNT Hydraulikkonsult AB | Sandhem | 0 tkr |
| Bobau AB | Tranås | 0 tkr |
| Bobbys ice cream world AB | Jönköping | 0 tkr |
| Boca Förvaltning i Jönköping AB | Jönköping | 0 tkr |
| Bodafors Byggträ Aktiebolag | Nässjö | 0 tkr |
| Bodasjögle AB | Stensjön | 0 tkr |
| Body Design Jönköping AB | Huskvarna | 0 tkr |
| Body & Mind Sweden AB | Tranås | 0 tkr |
| Boes Holding AB | Jönköping | 0 tkr |
| Bo-E. Sjöberg Aktiebolag | Jönköping | 0 tkr |
| Bofinken 4 AB | Tranås | 0 tkr |
| Bognor Invest AB | Tranås | 0 tkr |
| Bohaaw AB | Jönköping | 0 tkr |
| Bohman & Gustafsson Förvaltning AB | Huskvarna | 0 tkr |
| Bo Holm AB | Hökerum | 0 tkr |
| Bohult Invest AB | Burseryd | 0 tkr |
| Boilo AB | Gislaved | 0 tkr |
| Bojje Holding AB | Habo | 0 tkr |
| Boka Höglandet AB | Jönköping | 0 tkr |
| Bokarvid AB | Anderstorp | 0 tkr |
| Bokhållare Eriksson AB | Habo | 0 tkr |
| Bolaget AAF AB | Huskvarna | 0 tkr |
| Bolaget HK AB | Huskvarna | 0 tkr |
| Bolagonline SW AB | Huskvarna | 0 tkr |
| Bolagsbildarna i Jönköping Aktiebolag | Jönköping | 0 tkr |
| Boligt AB | Forserum | 0 tkr |
| Boliv Invest AB | Jönköping | 0 tkr |