| Northflower Holding AB | Nyköping | 0 tkr |
| Nöthagen Utveckling AB | Eskilstuna | 0 tkr |
| Nova Företagsstöd AB | Nyköping | 0 tkr |
| NovaSky AB | Nyköping | 0 tkr |
| Novellista AB | Tystberga | 0 tkr |
| NQA Media AB | Nyköping | 0 tkr |
| NRT Holding AB | Lotorp | 0 tkr |
| Nuvay AB | Nyköping | 0 tkr |
| NVU Care AB | Nyköping | 0 tkr |
| Nybex Nöje Aktiebolag | Norrköping | 0 tkr |
| Nykardia AB | Nyköping | 0 tkr |
| Nyköping Frisörsalong AB | Nyköping | 0 tkr |
| Nyköping Kultur & Mat AB | Nyköping | 0 tkr |
| Nyköping Optic Services AB | Göteborg | 0 tkr |
| Nyköpings Begravningsbyrå Holding AB | Nyköping | 0 tkr |
| Nyköpings Bildtjänst Aktiebolag | Nyköping | 0 tkr |
| Nyköpings Folkbildnings AB | Nyköping | 0 tkr |
| Nyköpings Glasmästeri AB | Nyköping | 0 tkr |
| Nyköpings Gravvårdsservice AB | Nyköping | 0 tkr |
| Nyköpings Kontorsvaruhus Aktiebolag | Nyköping | 0 tkr |
| Nyköpings Logistikpark AB | Mölndal | 0 tkr |
| Nyköpings Måleri Holding AB | Nyköping | 0 tkr |
| Nyköpings Omsorg AB | Nyköping | 0 tkr |
| Nyköpings Plastkonsult AB | Nyköping | 0 tkr |
| Nyköping Strand Utbildningscentrum AB | Stockholm | 0 tkr |
| Nyköpingsveterinärerna Fastigheter AB | Nyköping | 0 tkr |
| Nyköpingsveterinärerna Holding AB | Nyköping | 0 tkr |
| NYTEMA Maskin Aktiebolag | Björkvik | 0 tkr |
| Oblocken Invest AB | Stockholm | 0 tkr |
| OCJ AB | Nyköping | 0 tkr |
| Odd and Happy Events AB | Nyköping | 0 tkr |
| OKAMB AB | Björkvik | 0 tkr |
| O.L.B Invest AB | Nyköping | 0 tkr |
| Olise AB | Nyköping | 0 tkr |
| OM2 Invest AB | Nyköping | 0 tkr |
| Omesig Förvaltnings AB | Stigtomta | 0 tkr |
| Oppeby Livsmedel AB | Nyköping | 0 tkr |
| Optimal säkerhet JP AB | Stockholm | 0 tkr |
| O.Q.Lar AB | Nyköping | 0 tkr |
| Örnklinten Invest AB | Nyköping | 0 tkr |
| Örstigs Fastigheter AB | Nyköping | 0 tkr |
| Oscar Engvall AB | Nyköping | 0 tkr |
| Östanå 1:3 AB | Nyköping | 0 tkr |
| Ottenås Fastigheter AB | Nyköping | 0 tkr |
| OwnYourOwn AB | Nyköping | 0 tkr |
| Oxelö Invest AB | Oxelösund | 0 tkr |
| Ox Island AB | Nyköping | 0 tkr |
| Palms Service Holding AB | Nyköping | 0 tkr |
| Parenting Collective AB | Nyköping | 0 tkr |
| Pärltorp Invest AB | Nyköping | 0 tkr |