| JG Consult AB | Avesta | 0 tkr |
| JH Racing AB | Hedemora | 0 tkr |
| J.I Bergenström Holding AB | Borlänge | 0 tkr |
| Jima Holding AB | Idre | 0 tkr |
| Jimmys Holding i Smedjebacken AB | Smedjebacken | 0 tkr |
| JITU AB | Säter | 0 tkr |
| Jiwes Kläder AB | Säter | 0 tkr |
| J & J Fastigheter i Dalarna AB | Smedjebacken | 0 tkr |
| JKC Holding AB | Falun | 0 tkr |
| JK Kapitalförvaltning AB | Svärdsjö | 0 tkr |
| JKÖstman förvaltning AB | Falun | 0 tkr |
| JLB Group AB | Orsa | 0 tkr |
| J Lindström Konsult AB | Fors | 0 tkr |
| JL Landhskap Holding AB | Falun | 0 tkr |
| JLML i Bergslagen AB | Krylbo | 0 tkr |
| JL Restauranger AB | Borlänge | 0 tkr |
| JME Business Management AB | Borlänge | 0 tkr |
| JM Hellgren AB | Björbo | 0 tkr |
| JMT Holding AB | Mora | 0 tkr |
| JNGE i Avesta AB | Avesta | 0 tkr |
| J Norlings Fastighetsförvaltning AB | Falun | 0 tkr |
| Joachim Richert Invest AB | Sälen | 0 tkr |
| Joakim Dofs Holding AB | Falun | 0 tkr |
| Joängets Fjällgård AB | Katrineholm | 0 tkr |
| Jobskôlla Invest AB | Siljansnäs | 0 tkr |
| Joel Tyni AB | Djurås | 0 tkr |
| Joffer Consulting AB | Ludvika | 0 tkr |
| Johan Barr i Orsa AB | Orsa | 0 tkr |
| Johan Eklund Holding AB | Falun | 0 tkr |
| Johan Fogdebacken Bygg AB | Falun | 0 tkr |
| Johan Hardinger AB | Leksand | 0 tkr |
| Johan Henningsson Investment AB | Falun | 0 tkr |
| Johan Lundengård Holding AB | Ludvika | 0 tkr |
| Johanna Speles i Borlänge AB | Borlänge | 0 tkr |
| Johannes Hütter Förvaltning AB | Nusnäs | 0 tkr |
| Johannes Wetterholt Consulting AB | Malmö | 0 tkr |
| Johansson Spring Holding AB | Mora | 0 tkr |
| Johanssons Samtalsterapi & Familjejuridik AB | Söderbärke | 0 tkr |
| Johan Thorn AB | Sälen | 0 tkr |
| Johan Trapp AB | Sollerön | 0 tkr |
| John Aronssons Skogsavverkning Aktiebolag | Borlänge | 0 tkr |
| John Norin Invest AB | Borlänge | 0 tkr |
| Johnny Eriksson Förvaltning AB | Säter | 0 tkr |
| Johnsson Industrial Solution AB | Hedemora | 0 tkr |
| Johns Sport Försäljnings Aktiebolag | Mora | 0 tkr |
| Jokosa AB | Falun | 0 tkr |
| Jon-App Development AB | Idre | 0 tkr |
| Jonas Bromander AB | Uppsala | 0 tkr |
| Jonas Engholm AB | Bjursås | 0 tkr |
| Jonas Lennart Svensson AB | Tyresö | 0 tkr |