| Nextgen Nyköping AB | Nyköping | 0 tkr |
| Nilefrii Förvaltning AB | Nyköping | 0 tkr |
| Nils-Erik Frischenfeldt Förvaltnings AB | Nyköping | 0 tkr |
| Ninehundred AB | Nyköping | 0 tkr |
| Nio.B Fastigheter AB | Nyköping | 0 tkr |
| N & N Invest AB | Nyköping | 0 tkr |
| Nora Livs i Nyköping AB | Nyköping | 0 tkr |
| Nordic Communications Incorporated AB | Åstorp | 0 tkr |
| Nordins Tekniska AB | Nyköping | 0 tkr |
| Norléns Utbildnings Aktiebolag | Nyköping | 0 tkr |
| Norrgrund Holding AB | Nyköping | 0 tkr |
| Norrgrund projekt 2 AB | Stockholm | 0 tkr |
| Northflower Holding AB | Nyköping | 0 tkr |
| Nortrip 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 |
| 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 |