| JT:s kosttillskottsservice AB | Linköping | 0 tkr |
| JuLi 2 Wilzéns Fastighetsförvaltning AB | Linköping | 0 tkr |
| JuLi Wilzéns Fastighetsförvaltning AB | Linköping | 0 tkr |
| J.U.M.P. Invest AB | Linköping | 0 tkr |
| June Cecilia Holding AB | Linköping | 0 tkr |
| Juneparken AB | Linköping | 0 tkr |
| JUNGS SWEDEN AB | Vadstena | 0 tkr |
| Jürss Spel- och Tobak H M Halvarsson Aktiebolag | Linköping | 0 tkr |
| Jute Sverige AB | Linköping | 0 tkr |
| JW Holding D AB | Linköping | 0 tkr |
| JW Holding K AB | Linköping | 0 tkr |
| JW Holding L AB | Linköping | 0 tkr |
| JW Holding M AB | Linköping | 0 tkr |
| JW Holding P AB | Linköping | 0 tkr |
| JW Holding Q AB | Linköping | 0 tkr |
| JW Holding U AB | Linköping | 0 tkr |
| Kadinova AB | Linköping | 0 tkr |
| KAF Holding AB | Linköping | 0 tkr |
| Kafrem Holding AB | Linköping | 0 tkr |
| Kagi Capital AB | Linköping | 0 tkr |
| Kahella AB | Linköping | 0 tkr |
| Kalmia AB | Linköping | 0 tkr |
| Kannan och Kaveln AB | Linköping | 0 tkr |
| KAPB Holding AB | Linköping | 0 tkr |
| Kapitalfångaren AB | Motala | 0 tkr |
| Karelita Invest AB | Linghem | 0 tkr |
| Karin Almén AB | Norrköping | 0 tkr |
| Karlberg Simply AI Consulting AB | Linköping | 0 tkr |
| Karlskrona Holmsjö 1:133 AB | Linghem | 0 tkr |
| Karlsson & Kindberg Aktiebolag | Linköping | 0 tkr |
| Karnehed Holding AB | Linköping | 0 tkr |
| Kärntornet Förvaltning AB | Linghem | 0 tkr |
| Karvi AB | Linköping | 0 tkr |
| Katibo AB | Högsjö | 0 tkr |
| Katiro AB | Linköping | 0 tkr |
| Katsköld AB | Linköping | 0 tkr |
| Katsura Consulting AB | Linköping | 0 tkr |
| Kattsvansbolaget AB | Linköping | 0 tkr |
| KC Fastigheter AB | Linköping | 0 tkr |
| KEA Norrmans Holding AB | Linköping | 0 tkr |
| Kebab Safin AB | Vreta Kloster | 0 tkr |
| Keja Invest AB | Linköping | 0 tkr |
| K Ekström Holding AB | Kvillsfors | 0 tkr |
| Kensei Games AB | Linköping | 0 tkr |
| KenTap AB | Linköping | 0 tkr |
| Kenth Ericson Management Consulting AB | Linköping | 0 tkr |
| Kerar AB | Linköping | 0 tkr |
| Kernell Advisory AB | Linköping | 0 tkr |
| Keyrivet AB | Linköping | 0 tkr |
| KG Konsult AB | Linköping | 0 tkr |