| NS-Svets Aktiebolag | Torshälla | 0 tkr |
| NS Veddesta AB | Stockholm | 0 tkr |
| N&S Veddesta Holding AB | Stockholm | 0 tkr |
| NTMB Holding AB | Eskilstuna | 0 tkr |
| NTOB Holding AB | Ärla | 0 tkr |
| NT Property AB | Eskilstuna | 0 tkr |
| Nuff said AB | Gnesta | 0 tkr |
| Nuvay AB | Nyköping | 0 tkr |
| NVU Care AB | Nyköping | 0 tkr |
| NW Pool & Entreprenad AB | Strängnäs | 0 tkr |
| NxES Sweden AB | Flen | 0 tkr |
| Nya Bo-Partner i Mälardalen AB | Eskilstuna | 0 tkr |
| Nya Hedensö Godsförvaltning Aktiebolag | Näshulta | 0 tkr |
| Nybble konsulten AB | Flen | 0 tkr |
| Nybex Nöje Aktiebolag | Norrköping | 0 tkr |
| Nybylund Holding AB | Katrineholm | 0 tkr |
| Nyckelkopia Holding AB | Åkers Styckebruk | 0 tkr |
| Ny Fas AB | Vingåker | 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 |
| Nyström IT Konsult AB | Gnesta | 0 tkr |
| NYTEMA Maskin Aktiebolag | Björkvik | 0 tkr |
| Nytroox AB | Trosa | 0 tkr |
| NZ Plåt & Svets AB | Torshälla | 0 tkr |
| Oakhill Consulting AB | Trosa | 0 tkr |
| Oakhof Holding AB | Björnlunda | 0 tkr |
| Oak Street AB | Saltsjö-Boo | 0 tkr |
| Öba Holding AB | Eskilstuna | 0 tkr |
| Oblocken Invest AB | Stockholm | 0 tkr |
| OBSTINATUS AB | Katrineholm | 0 tkr |
| Ocean Lover AB | Eskilstuna | 0 tkr |
| OCJ AB | Nyköping | 0 tkr |
| Odd and Happy Events AB | Nyköping | 0 tkr |
| Odlarlunden Invest AB | Eskilstuna | 0 tkr |
| OE Bygg AB | Kungsbacka | 0 tkr |