| Bay Consulting AB | Huddinge | 0 tkr |
| BC Allservice AB | Södertälje | 0 tkr |
| BDU Fastighets AB | Segeltorp | 0 tkr |
| Beamister Aktiebolag | Stocksund | 0 tkr |
| Beau AB | Huddinge | 0 tkr |
| Becker & Singh Holding AB | Huddinge | 0 tkr |
| BEITI Hemtjänst AB | Huddinge | 0 tkr |
| BeJa Holding AB | Huddinge | 0 tkr |
| Bella Transport AB | Huddinge | 0 tkr |
| Bengt Chramer Invest AB | Huddinge | 0 tkr |
| Benli & Styr AB | Norsborg | 0 tkr |
| Berako Utvecklings Aktiebolag | Huddinge | 0 tkr |
| BerBol AB | Segeltorp | 0 tkr |
| Bergfast Varumärkesteknik AB | Segeltorp | 0 tkr |
| Berggren WI Invest AB | Huddinge | 0 tkr |
| Berk Konsult AB | Stockholm | 0 tkr |
| Berndt Hörnfeldt Invest Aktiebolag | Kungens Kurva | 0 tkr |
| Bertil Sommardahl AB | Huddinge | 0 tkr |
| BHM AB | Huddinge | 0 tkr |
| BHW Stockholm AB | Skärholmen | 0 tkr |
| Bicho Holding AB | Huddinge | 0 tkr |
| BIDEB Invest AB | Segeltorp | 0 tkr |
| Bilare Consulting Aktiebolag | Skogås | 0 tkr |
| Billackeringsbolaget Fastigheter i Huddinge Aktiebolag | Huddinge | 0 tkr |
| Biogas Energy Systems Sweden AB | Sunne | 0 tkr |
| Biomedrex invest AB | Huddinge | 0 tkr |
| BioNow AB | Huddinge | 0 tkr |
| BirchToBirch AB | Farsta | 0 tkr |
| BITS of Sweden AB | Huddinge | 0 tkr |
| Biverud Förvaltning AB | Täby | 0 tkr |
| biz2DigitalData Tech AB | Tullinge | 0 tkr |
| Bizagon AB | Frösön | 0 tkr |
| Biz Tensia AB | Stockholm | 0 tkr |
| Bjerbo Bostad Holding 2 AB | Stockholm | 0 tkr |
| Bjerbo Bostad Holding AB | Stockholm | 0 tkr |
| Björkander Psykiatrikonsult AB | Enskede | 0 tkr |
| Björn Johnsson Holding AB | Huddinge | 0 tkr |
| Björn Nygren Förvaltning AB | Åkersberga | 0 tkr |
| Björn och Mattias Holding AB | Huddinge | 0 tkr |
| BLAGO Holding AB | Skogås | 0 tkr |
| BLB 2 Holding Vänhem AB | Huddinge | 0 tkr |
| Blockhem AB | Årsta | 0 tkr |
| Blomströms Supply AB | Huddinge | 0 tkr |
| Blue Magnolia AB | Huddinge | 0 tkr |
| Blue Sweden AB | Huddinge | 0 tkr |
| BM Medical Consulting AB | Vårby | 0 tkr |
| Boander Stockholm AB | Hägersten | 0 tkr |
| BOJK Aktiebolag | Trångsund | 0 tkr |
| Bokspadens Fastighetsutveckling AB | Farsta | 0 tkr |
| Bo Liling Konsult AB | Huddinge | 0 tkr |