| Norrtälje Entreprenad AB | Blidö | 0 tkr |
| Norrtälje Fastighetstjänst AB | Norrtälje | 0 tkr |
| Norrtälje Förvaltning AB | Norrtälje | 0 tkr |
| Norrtälje Hyrmaskiner AB | Norrtälje | 0 tkr |
| Norrtälje Måleri AB | Norrtälje | 0 tkr |
| Norrtälje Optic Service AB | Göteborg | 0 tkr |
| Norrtälje Tak & Fasad Aktiebolag | Norrtälje | 0 tkr |
| Norrtälje Tak & Golv AB | Bergshamra | 0 tkr |
| Norrtälje Träning & Co AB | Norrtälje | 0 tkr |
| Norrtälje Vaktmästaren 6 AB | Norrtälje | 0 tkr |
| Norrtelje Invest AB | Hallstavik | 0 tkr |
| Norrtelje Investment AB | Norrtälje | 0 tkr |
| Norrvreta Holding AB | Grisslehamn | 0 tkr |
| NorthEast Dental AB | Danderyd | 0 tkr |
| North East Investment AB | Norrtälje | 0 tkr |
| NorthStar Estate AB | Norrtälje | 0 tkr |
| North Village Games AB | Norrtälje | 0 tkr |
| Notenfastigheter AB | Norrtälje | 0 tkr |
| NovaCardia Aktiebolag | Norrtälje | 0 tkr |
| NP Bygg Projekt i Norrtälje 06 AB | Stockholm | 0 tkr |
| Nuansiri Group AB | Norrtälje | 0 tkr |
| Nya Fastigheter i Luleå AB | Blidö | 0 tkr |
| Nyans utveckling och stöd i Skandinavien AB | Norrtälje | 0 tkr |
| Nyboda Holding i Rimbo AB | Rimbo | 0 tkr |
| Nybygg Holding i Nyby AB | Väddö | 0 tkr |
| Nybygg i Roslagen Fastigheter AB | Väddö | 0 tkr |
| Nygrund Entreprenad AB | Norrtälje | 0 tkr |
| Nygrund Holding 1 AB | Norrtälje | 0 tkr |
| Nygrund Holding 2 AB | Norrtälje | 0 tkr |
| Nystugan förvaltning AB | Norrtälje | 0 tkr |
| OBAIN AB | Stockholm | 0 tkr |
| Obrix Assistans AB | Rimbo | 0 tkr |
| Ocius AB | Norrtälje | 0 tkr |
| Ödoktorn AB | Stockholm | 0 tkr |
| OFFIGUS AB | Sollentuna | 0 tkr |
| Oldcastle Property Partner AB | Rimbo | 0 tkr |
| OLIBELL Holding AB | Rimbo | 0 tkr |
| Omsorgsinstitutet i Sverige AB | Norrtälje | 0 tkr |
| ON Enterprise AB | Norrtälje | 0 tkr |
| Ord & Text Per Odebrant Aktiebolag | Norrtälje | 0 tkr |
| Ortopedmedicinska Kliniken Hallstavik AB | Herräng | 0 tkr |
| Örtqvist Konsult AB | Grisslehamn | 0 tkr |
| OSKAR VERA AB | Norrtälje | 0 tkr |
| Östernäs Logi & Trädgård AB | Norrtälje | 0 tkr |
| Östersjögruppen AB | Norrtälje | 0 tkr |
| Östhammarsbostäder AB | Norrtälje | 0 tkr |
| Ostkustens Bygg & Allservice AB | Norrtälje | 0 tkr |
| Östret AB | Norrtälje | 0 tkr |
| Our Bubbles AB | Rimbo | 0 tkr |
| PåMi Konsult AB | Norrtälje | 0 tkr |