| JL Holding Oskarshamn AB | Oskarshamn | 0 tkr |
| J.Liljeberg Holding AB | Västervik | 0 tkr |
| JLL i Kalmar AB | Nykvarn | 0 tkr |
| JL Livs AB | Strömsnäsbruk | 0 tkr |
| J&M Fastighets AB | Kristdala | 0 tkr |
| JMJEP Invest AB | Oskarshamn | 0 tkr |
| J&M Ritservice AB | Mönsterås | 0 tkr |
| JMRS Invest AB | Läckeby | 0 tkr |
| JNS Konsult AB | Kalmar | 0 tkr |
| Joacim Samuelsson Invest AB | Kalmar | 0 tkr |
| Joakim Davidsson Holding AB | Ljungbyholm | 0 tkr |
| Joakim Jerlardtz Förvaltning AB | Färjestaden | 0 tkr |
| Joakim Petersson Holding AB | Oskarshamn | 0 tkr |
| JOALM AB | Kalmar | 0 tkr |
| Joel Öland AB | Borgholm | 0 tkr |
| Joel Schäfer Invest AB | Borgholm | 0 tkr |
| JOG Konsult i Emmaboda AB | Emmaboda | 0 tkr |
| Johan Arnesson Holding AB | Färjestaden | 0 tkr |
| Johan Jaensson AB | Färjestaden | 0 tkr |
| Johannes Plan Fastigheter AB | Kalmar | 0 tkr |
| Johan Törnvall Möbler Aktiebolag | Mörlunda | 0 tkr |
| John Höggren Holding AB | Oskarshamn | 0 tkr |
| John Petersson AB | Kalmar | 0 tkr |
| JoJo Utveckling AB | Kalmar | 0 tkr |
| Jolero Holding AB | Kalmar | 0 tkr |
| Jolie Nails & Beauty AB | Kalmar | 0 tkr |
| Jomanoar AB | Västervik | 0 tkr |
| Jonas Dahlström i Vimmerby AB | Vimmerby | 0 tkr |
| Jonas Fröler Golv AB | Ljungbyholm | 0 tkr |
| Jonas Niklasson Invest AB | Oskarshamn | 0 tkr |
| Jonas Pile Ekonomi AB | Borgholm | 0 tkr |
| JonMalm Holding AB | Kalmar | 0 tkr |
| Jonny i Västervik AB | Gamleby | 0 tkr |
| Jönsö Capital AB | Kalmar | 0 tkr |
| Jontob Fastigheter AB | Oskarshamn | 0 tkr |
| JoPa Holding AB | Vassmolösa | 0 tkr |
| JOPST Invest AB | Nybro | 0 tkr |
| Jordbeck Holding Sverige AB | Kalmar | 0 tkr |
| Jörnelid Holding AB | Ljungbyholm | 0 tkr |
| JOSAND Holding AB | Mönsterås | 0 tkr |
| Josef & Emmy AB | Färjestaden | 0 tkr |
| Josef i Kalmar AB | Kalmar | 0 tkr |
| JoSun Fastighets AB | Kalmar | 0 tkr |
| Jovexi AB | Kalmar | 0 tkr |
| JOWIRA AB | Kalmar | 0 tkr |
| J. Palmér Invest AB | Kalmar | 0 tkr |
| JPE Jonsson Invest AB | Kalmar | 0 tkr |
| J & P i Kalmar AB | Trekanten | 0 tkr |
| JP Järeda Holding AB | Järnforsen | 0 tkr |
| JPR Consulting AB | Stockholm | 0 tkr |