| NVF Norrköpings VVS & Fastighetsservice Invest AB | Norrköping | 0 tkr |
| Nyängen Holding AB | Norrköping | 0 tkr |
| Nya Spiralen AB | Norrköping | 0 tkr |
| Ny Bostad Holding i Linköping AB | Linköping | 0 tkr |
| NYG 71 AB | Ekerö | 0 tkr |
| Nykil Invest AB | Nykil | 0 tkr |
| Nystedts FS AB | Söderköping | 0 tkr |
| Nystrom Elf & Sutter AB | Linköping | 0 tkr |
| Nytorp Personalresurs AB | Rimforsa | 0 tkr |
| O84 Group AB | Linköping | 0 tkr |
| OA Gustafsson Holding AB | Norrköping | 0 tkr |
| Oakvalley AB | Linköping | 0 tkr |
| Oasen Park AB | Norrköping | 0 tkr |
| Oasen Park Fastighets AB | Norrköping | 0 tkr |
| OA Vision AB | Linköping | 0 tkr |
| Öbergs Murservice Aktiebolag | Färjestaden | 0 tkr |
| OB-GYNE Style AB | Norrköping | 0 tkr |
| Obita Holding AB | Norsholm | 0 tkr |
| OBOE Players AB | Linköping | 0 tkr |
| OB One vision AB | Söderköping | 0 tkr |
| Obumbratio de lumine AB | Linköping | 0 tkr |
| Ocean Current Tech AB | Linköping | 0 tkr |
| OC Förvaltning AB | Åby | 0 tkr |
| O'CHA CUISINE AB | Vreta Kloster | 0 tkr |
| OCL Trading Aktiebolag | Norrköping | 0 tkr |
| Octo Commerce AB | Stockholm | 0 tkr |
| OD Automationskonsult AB | Linghem | 0 tkr |
| Odavest AB | Linköping | 0 tkr |
| Odenklint Holding AB | Linköping | 0 tkr |
| Ödeshög Åby Moder AB | Motala | 0 tkr |
| Odin Andersson Förvaltning AB | Norrköping | 0 tkr |
| Odinn Tölt Holding AB | Motala | 0 tkr |
| Oedling Holding AB | Stockholm | 0 tkr |
| Oedling Invest AB | Stockholm | 0 tkr |
| Oedling systems AB | Vadstena | 0 tkr |
| Offlane AB | Norrköping | 0 tkr |
| ÖHF Invest Aktiebolag | Norrköping | 0 tkr |
| Öhna Kvarn AB | Mantorp | 0 tkr |
| Ohrt Psykiatrikonsult AB | Helsingborg | 0 tkr |
| Oinas Förvaltning AB | Motala | 0 tkr |
| Ojja Holding AB | Borensberg | 0 tkr |
| Oklart Sverige AB | Linköping | 0 tkr |
| Ola Adolfsson Smedstorp AB | Bestorp | 0 tkr |
| Olema Truckservice Förvaltning AB | Norrköping | 0 tkr |
| Olerums Entreprenad AB | Östra Ryd | 0 tkr |
| Olivehultföretagen AB | Borensberg | 0 tkr |
| Olivkärnan AB | Linköping | 0 tkr |
| ÖLÖ Invest AB | Norrköping | 0 tkr |
| Olssons i Motala AB | Motala | 0 tkr |
| Olssons läkarbemanning AB | Norrköping | 0 tkr |