| Barnvik Service AB | Djurhamn | 0 tkr |
| Basen Holding AB | Värmdö | 0 tkr |
| Båtbyggare Anders Annell AB | Henån | 0 tkr |
| Båtsholmen Brodyr AB | Tynningö | 0 tkr |
| Bavia Charter AB | Djurhamn | 0 tkr |
| BBB Holding AB | Gustavsberg | 0 tkr |
| BBP1 AB | Ingarö | 0 tkr |
| BEE Floating AB | Ingarö | 0 tkr |
| BeetLife Health AB | Staffanstorp | 0 tkr |
| Bengan Bengt AB | Gustavsberg | 0 tkr |
| Bengtsson & Knapp AB | Värmdö | 0 tkr |
| Bernhed Holding AB | Gustavsberg | 0 tkr |
| Besiktningsingenjörerna Be.ing AB | Värmdö | 0 tkr |
| Betsede Saltarö Fastigheter AB | Gustavsberg | 0 tkr |
| Bettans racing AB | Gustavsberg | 0 tkr |
| Biberg Invest AB | Ingarö | 0 tkr |
| Bilgrunden AB | Gustavsberg | 0 tkr |
| BITSoft Ingarö AB | Värmdö | 0 tkr |
| Bjurström Byggservice Holding AB | Gustavsberg | 0 tkr |
| Blomman Holding AB | Gustavsberg | 0 tkr |
| Blueprint Holding i Sverige AB | Nacka Strand | 0 tkr |
| BM Allomsorg AB | Gustavsberg | 0 tkr |
| BM SPORTMANAGEMENT AB | Gustavsberg | 0 tkr |
| BN Management and Digital Consulting AB | Värmdö | 0 tkr |
| BOA Handel Värmdö AB | Värmdö | 0 tkr |
| BO Cheval AB | Munka-Ljungby | 0 tkr |
| Bo i Täby AB | Stockholm | 0 tkr |
| BOKAS Allservice AB | Gustavsberg | 0 tkr |
| Bon Servi AB | Värmdö | 0 tkr |
| Boregrim Holding AB | Gustavsberg | 0 tkr |
| Borka holding AB | Gustavsberg | 0 tkr |
| Bostadsliv AB | Värmdö | 0 tkr |
| BOVALLA AB | Gustavsberg | 0 tkr |
| BPH Invest AB | Värmdö | 0 tkr |
| BrainZell AB | Ingarö | 0 tkr |
| Bram Fastighet Värmdö AB | Värmdö | 0 tkr |
| Brandhorst Holding AB | Gustavsberg | 0 tkr |
| Bränsleintaget AB | Värmdö | 0 tkr |
| BReal AB | Värmdö | 0 tkr |
| Brolin Familjen AB | Ingarö | 0 tkr |
| Bromacé AB | Gustavsberg | 0 tkr |
| Bromans Bil AB | Djurhamn | 0 tkr |
| Bryggbacken Invest AB | Ingarö | 0 tkr |
| Bry omsorg AB | Tyresö | 0 tkr |
| Bsseline AB | Stavsnäs | 0 tkr |
| Bubs Investment AB | Nacka | 0 tkr |
| Bullis AB | Värmdö | 0 tkr |
| By eir AB | Värmdö | 0 tkr |
| By Frojd AB | Tyresö | 0 tkr |
| Bygglovservice Bengt Svensson Aktiebolag | Saltsjö-Boo | 0 tkr |