| Båke Fastighetsförvaltning Aktiebolag | Johanneshov | 0 tkr |
| Båke Holding AB | Johanneshov | 0 tkr |
| Balans i Sverige AB | Malung | 0 tkr |
| Balderz AB | Täby | 0 tkr |
| Barbate AB | Lidingö | 0 tkr |
| Barborg Förvaltning AB | Handen | 0 tkr |
| Barre Holding AB | Vendelsö | 0 tkr |
| Basehome Trade AB | Österhaninge | 0 tkr |
| Båtskroten Sverige Holding AB | Muskö | 0 tkr |
| Båttema i Stockholm AB | Österhaninge | 0 tkr |
| Batum AB | Västerhaninge | 0 tkr |
| BÄVER OF SÖDERORT HOLDING AB | Skogås | 0 tkr |
| B&B Snickeri AB | Norsborg | 0 tkr |
| Beerta Invest AB | Stockholm | 0 tkr |
| BeGrip Kommunikation Holding AB | Handen | 0 tkr |
| Bellchen Holding AB | Tungelsta | 0 tkr |
| BELLT Invest AB | Tungelsta | 0 tkr |
| BeMa BioConsulting AB | Vendelsö | 0 tkr |
| Bemanning Elaby AB | Handen | 0 tkr |
| Bengtssons Börs och Finans AB | Tungelsta | 0 tkr |
| Benjira nursing AB | Västerhaninge | 0 tkr |
| Berbillion AB | Tyresö | 0 tkr |
| Bergenheim Consulting AB | Vendelsö | 0 tkr |
| Bernerskog Invest AB | Vendelsö | 0 tkr |
| BGM Motor AB | Tungelsta | 0 tkr |
| Bilbudet i Stor-Stockholm Aktiebolag | Österhaninge | 0 tkr |
| Bilglas Albyberg AB | Handen | 0 tkr |
| Bilvårdsteknik i Haninge AB | Handen | 0 tkr |
| Biothema Holding Aktiebolag | Dalarö | 0 tkr |
| Birgitta Blidborg AB | Uppsala | 0 tkr |
| BizFix Sweden AB | Södertälje | 0 tkr |
| BK Holding AB | Haninge | 0 tkr |
| Blackbo Camping AB | Gålö | 0 tkr |
| Blaze Holding AB | Vendelsö | 0 tkr |
| Blista 1 AB | Österhaninge | 0 tkr |
| Blista 2 AB | Österhaninge | 0 tkr |
| Blista 3 AB | Österhaninge | 0 tkr |
| B. Mobergs konsult AB | Vendelsö | 0 tkr |
| BNG Nacka AB | Vendelsö | 0 tkr |
| Bobra Uttran 1 AB | Vendelsö | 0 tkr |
| Bocani Vård AB | Stockholm | 0 tkr |
| Bo Danielsson Entreprenad Aktiebolag | Ängelholm | 0 tkr |
| Bo Lindholm Förvaltning AB | Tyresö | 0 tkr |
| BOONSTREET INVEST AB | Jordbro | 0 tkr |
| Boproduktion i Stockholm AB | Västerhaninge | 0 tkr |
| Borg Politik & Påverkan AB | Västerhaninge | 0 tkr |
| Bosses AB | Vendelsö | 0 tkr |
| Botify Skandinavien AB | Handen | 0 tkr |
| BPAL AB | Vendelsö | 0 tkr |
| Brakjons AB | Tungelsta | 0 tkr |