| Ord & Kod AB | Falun | 0 tkr |
| Orek AB | Falun | 0 tkr |
| Organisation och IT-Konsulterna i Stennäset AB | Kristinehamn | 0 tkr |
| Originals Company AB | Leksand | 0 tkr |
| Ormbråten AB | Hedemora | 0 tkr |
| Ormstigen AB | Hedemora | 0 tkr |
| Ornells Lastmaskiner Aktiebolag | Fors | 0 tkr |
| Örnton Holding AB | Falun | 0 tkr |
| Oropendola Capital AB | Falun | 0 tkr |
| Orrboes Holding AB | Gustafs | 0 tkr |
| Orrholmarna Förvaltning AB | Hedemora | 0 tkr |
| Ortic 3D AB | Stockholm | 0 tkr |
| Osina Consulting AB | Sundborn | 0 tkr |
| Oskar Ståhlberg Holding AB | Falun | 0 tkr |
| Oskar V. Montelius Aktiebolag | Djurås | 0 tkr |
| Östbergs Holding Aktiebolag | Borlänge | 0 tkr |
| Österling Holding AB | Hedemora | 0 tkr |
| Österling Projektutveckling AB | Hedemora | 0 tkr |
| Otto Stenvall Holding AB | Falun | 0 tkr |
| OVK-plan i Sverige AB | Smedjebacken | 0 tkr |
| OW AB | Leksand | 0 tkr |
| Oxberg Konsult AB | Stockholm | 0 tkr |
| Oxtrail Consulting AB | Leksand | 0 tkr |
| P3 Holding AB | Lekeryd | 0 tkr |
| Padelbollen Säter Holding AB | Säter | 0 tkr |
| PalCam AB | Stora Skedvi | 0 tkr |
| PAL Hedin AB | Gustafs | 0 tkr |
| PAMS 3 FASTIGHETSAKTIEBOLAG | Borlänge | 0 tkr |
| PANES Teknik AB | Borlänge | 0 tkr |
| Panexo Invest AB | Falun | 0 tkr |
| PAN Konsult AB | Borlänge | 0 tkr |
| Panthera Film & TV AB | Avesta | 0 tkr |
| Papito AB | Borlänge | 0 tkr |
| PARASIT AB | Vintrosa | 0 tkr |
| Pär-Eric Eriksson Holding AB | Gustafs | 0 tkr |
| Pär Hagman Revision AB | Falun | 0 tkr |
| Pär Larsson Förvaltnings Aktiebolag | Lima | 0 tkr |
| Patric och Niklas Invest AB | Sollerön | 0 tkr |
| Patrik Clasén Invest AB | Sälen | 0 tkr |
| Patrik Eklund Holding AB | Mora | 0 tkr |
| PAWIGG Invest AB | Mora | 0 tkr |
| PBs Holdingbolag Särna AB | Älvdalen | 0 tkr |
| PB Svetsteknik AB | Kiruna | 0 tkr |
| PE Fastigheter i Krylbo AB | Krylbo | 0 tkr |
| PEGU AB | Malung | 0 tkr |
| PeJo Invest AB | Avesta | 0 tkr |
| Penningberg AB | Grängesberg | 0 tkr |
| Pensionat Polhemsgården AB | Stjärnsund | 0 tkr |
| Peplowski Invest AB | Falun | 0 tkr |
| Peppson AB | Säter | 0 tkr |