| Barnhouse Buildings Ockelbo AB | Stenhamra | 0 tkr |
| Basket Music Group AB | Nyköping | 0 tkr |
| BCO Fastigheter AB | Ekerö | 0 tkr |
| Bearlittle AB | Stockholm | 0 tkr |
| Beast 2 Beauty AB | Bromma | 0 tkr |
| BECM Elektriska AB | Saltsjö-Boo | 0 tkr |
| Bengt Rosengren Consulting AB | Limhamn | 0 tkr |
| Beolli AB | Ekerö | 0 tkr |
| Bergboken AB | Ekerö | 0 tkr |
| Bergenda AB | Ekerö | 0 tkr |
| Berger Fastighetsutveckling 1 AB | Ekerö | 0 tkr |
| Bergkrantz Media och Data System AB | Ekerö | 0 tkr |
| Berglund Wallin AB | Ekerö | 0 tkr |
| Bergmark Technology AB | Ekerö | 0 tkr |
| Berkeley Hill Capital Holding AB | Ekerö | 0 tkr |
| Beskon Nordic AB | Stenhamra | 0 tkr |
| Better Me Ekerö AB | Ekerö | 0 tkr |
| Binary IO Investment AB | Stockholm | 0 tkr |
| Binnerstedt Consulting AB | Hallstahammar | 0 tkr |
| Birkator Aktiebolag | Ekerö | 0 tkr |
| Bjälklaget Mark & Fastighet AB | Svartsjö | 0 tkr |
| Björn & Lotta Waller AB | Tystberga | 0 tkr |
| BLIKAB Konsulttjänster AB | Ekerö | 0 tkr |
| Blomstedt Arenram Racing AB | Saltsjöbaden | 0 tkr |
| Boleks Consulting AB | Färentuna | 0 tkr |
| Bo Svanteson Konsult AB | Svartsjö | 0 tkr |
| Boundless Healthcare AB | Svartsjö | 0 tkr |
| BrännbArt AB | Drottningholm | 0 tkr |
| BRINGROW AB | Färentuna | 0 tkr |
| Bröderna Lindegren Fastighet AB | Ekerö | 0 tkr |
| Broström Holding på Mälaröarna AB | Ekerö | 0 tkr |
| Bryggassistatomt AB | Ekerö | 0 tkr |
| Brynhällan AB | Ekerö | 0 tkr |
| Bumstead Aktiebolag | Ekerö | 0 tkr |
| Buywin AB | Ekerö | 0 tkr |
| Byabo AB | Skå | 0 tkr |
| Byabo Heden AB | Skå | 0 tkr |
| Bygg & Konsult Firman Peter Melander AB | Drottningholm | 0 tkr |
| Byggmästaren Skå AB | Ekerö | 0 tkr |
| Caementum AB | Drottningholm | 0 tkr |
| Cake and the Bullet consulting AB | Drottningholm | 0 tkr |
| Canton Research and Consulting AB | Stockholm | 0 tkr |
| Capacis AB | Färentuna | 0 tkr |
| Cape North Company Sweden AB | Stockholm | 0 tkr |
| Cape Sweden Holding AB | Ekerö | 0 tkr |
| Capistrano Holding AB | Ekerö | 0 tkr |
| Carlsson Belfrage arkitektkontor AB | Stenhamra | 0 tkr |
| CARREMA Management AB | Bromma | 0 tkr |
| CasPo Bygg AB | Munsö | 0 tkr |
| CATI Förvaltnings AB | Ekerö | 0 tkr |