| JR Konsult AB | Kalmar | 0 tkr |
| J. Rotebäck Invest AB | Vimmerby | 0 tkr |
| JRS Fibers Fagelfors AB | Fågelfors | 0 tkr |
| JSM Installationer AB | Mönsterås | 0 tkr |
| J-sons i Kristdala AB | Kristdala | 0 tkr |
| JS Oskarshamn AB | Västervik | 0 tkr |
| J Storm AB | Kalmar | 0 tkr |
| JS Triumf AB | Oskarshamn | 0 tkr |
| JT Coaching AB | Västervik | 0 tkr |
| J&T Global Ventures AB | Färjestaden | 0 tkr |
| jufa Optik AB | Färjestaden | 0 tkr |
| Jugge Properties AB | Byxelkrok | 0 tkr |
| Julia Strömhag Consulting AB | Kalmar | 0 tkr |
| Junokompis AB | Kalmar | 0 tkr |
| Juristfirma Göran Samuelsson AB | Borgholm | 0 tkr |
| JW Goldeneye AB | Påskallavik | 0 tkr |
| KADO Smart Solution AB | Ankarsrum | 0 tkr |
| Kaffehurran AB | Alsterbro | 0 tkr |
| KåHÅs AB | Rockneby | 0 tkr |
| Kahrimanovic i Kalmar AB | Kalmar | 0 tkr |
| Kährs BondCo AB (publ) | Nybro | 0 tkr |
| KA i Oskarshamn AB | Oskarshamn | 0 tkr |
| Kajak Kalmarsund AB | Kalmar | 0 tkr |
| KAJE Invest AB | Färjestaden | 0 tkr |
| KaJo Sverige AB | Broakulla | 0 tkr |
| KalBiotech AB | Kalmar | 0 tkr |
| Kalicia Invest AB | Kalmar | 0 tkr |
| Kalkstenen AB | Kalmar | 0 tkr |
| Kalleguta Holding AB | Köpingsvik | 0 tkr |
| Källhagen By Malin AB | Oskarshamn | 0 tkr |
| Kalltuna Holding AB | Johanneshov | 0 tkr |
| Kalmar Bobutik AB | Kalmar | 0 tkr |
| Kalmarbyggarna Stensö Aktiebolag | Kalmar | 0 tkr |
| Kalmar Café och krogar AB | Kalmar | 0 tkr |
| Kalmarett Stock AB | Kalmar | 0 tkr |
| Kalmarfem Stock AB | Kalmar | 0 tkr |
| Kalmargården AB | Kalmar | 0 tkr |
| Kalmargården Group AB | Kalmar | 0 tkr |
| Kalmargården Holding 2 AB | Kalmar | 0 tkr |
| Kalmargården Holding 3 AB | Kalmar | 0 tkr |
| Kalmargården Holding AB | Kalmar | 0 tkr |
| Kalmargården Projekt AB | Kalmar | 0 tkr |
| Kalmar Honung AB | Kalmar | 0 tkr |
| Kalmarkontoret AB | Färjestaden | 0 tkr |
| Kalmar Kuvert Holding AB | Kalmar | 0 tkr |
| Kalmar Kylarrenovering AB | Kalmar | 0 tkr |
| Kalmar Kyl & Comfort AB | Färjestaden | 0 tkr |
| Kalmar läns Trafik Aktiebolag | Kalmar | 0 tkr |
| Kalmar market AB | Rockneby | 0 tkr |
| Kalmar Mekano AB | Kalmar | 0 tkr |