| OFF Design AB | Falun | 0 tkr |
| OG Advizer AB | Enviken | 0 tkr |
| Olhell AB | Falun | 0 tkr |
| Oliver Zwar AB | Falun | 0 tkr |
| Olles Däck i Falun AB | Falun | 0 tkr |
| Olsnäs Invest AB | Falun | 0 tkr |
| Önsgärdet Förvaltning AB | Falun | 0 tkr |
| Ord & Kod AB | Falun | 0 tkr |
| Orek AB | Falun | 0 tkr |
| Organisation och IT-Konsulterna i Stennäset AB | Kristinehamn | 0 tkr |
| Örnton Holding AB | Falun | 0 tkr |
| Oropendola Capital AB | Falun | 0 tkr |
| Osina Consulting AB | Sundborn | 0 tkr |
| Oskar Ståhlberg Holding AB | Falun | 0 tkr |
| Otto Stenvall Holding AB | Falun | 0 tkr |
| Oxberg Konsult AB | Stockholm | 0 tkr |
| P3 Holding AB | Lekeryd | 0 tkr |
| Panexo Invest AB | Falun | 0 tkr |
| Pär Hagman Revision AB | Falun | 0 tkr |
| PBdini AB | Falun | 0 tkr |
| Peplowski Invest AB | Falun | 0 tkr |
| PERMARTES Aktiebolag | Falun | 0 tkr |
| Per Schönbeck Golvkonsult AB | Grycksbo | 0 tkr |
| Per Tuvall AB | Falun | 0 tkr |
| Peter Apelqvist Förvaltning AB | Falun | 0 tkr |
| Peter Hedman Oljetransporter Aktiebolag | Borlänge | 0 tkr |
| Peter Sjölund Invest AB | Falun | 0 tkr |
| PG Conductive Education AB | Falun | 0 tkr |
| PG Solution AB | Falun | 0 tkr |
| Pierrou Holding AB | Falun | 0 tkr |
| Pilbo Holding AB | Falun | 0 tkr |
| Pilbo-Krondike Consulting AB | Falun | 0 tkr |
| Pilsundet AB | Grycksbo | 0 tkr |
| Pine Bark Processing AB | Sundborn | 0 tkr |
| Pinkpro AB | Falun | 0 tkr |
| Pinus & Picea Dysberg AB | Falun | 0 tkr |
| Pjopens Holding AB | Bjursås | 0 tkr |
| PO Östman Förvaltning AB | Falun | 0 tkr |
| PP Consulting AB | Sundborn | 0 tkr |
| Pratamera Holding AB | Falun | 0 tkr |
| Preorder AB | Falun | 0 tkr |
| Psyconsulta AB | Falun | 0 tkr |
| Puffin Consulting och Invest AB | Falun | 0 tkr |
| PV Capital AB | Falun | 0 tkr |
| P Wigren Konsulter AB | Falun | 0 tkr |
| QualiTre AB | Falun | 0 tkr |
| Quattro Stagioni AB | Falun | 0 tkr |
| Radberg Holding AB | Falun | 0 tkr |
| Ramhuset Patent AB | Falun | 0 tkr |
| Ramundbacken AB | Falun | 0 tkr |