| KBI Fastigheter AB | Kalmar | 0 tkr |
| KBN Invest AB | Rockneby | 0 tkr |
| KEAN Konsulting AB | Kalmar | 0 tkr |
| KeeWee Mods AB | Kalmar | 0 tkr |
| KEHL Invest AB | Kalmar | 0 tkr |
| K-E Holding AB | Löttorp | 0 tkr |
| Keinvall i Kalmar AB | Kalmar | 0 tkr |
| KELO INVEST AB | Ålem | 0 tkr |
| KenGus Konsult AB | Färjestaden | 0 tkr |
| Kenical AB | Kristdala | 0 tkr |
| KEN Indoor Climate AB | Kalmar | 0 tkr |
| Kenny Olsson i Nybro Aktiebolag | Nybro | 0 tkr |
| Kentab i Virserum AB | Virserum | 0 tkr |
| Kentis holding AB | Löttorp | 0 tkr |
| Ketax Holding AB | Kalmar | 0 tkr |
| K. & E. Wessmans Byggnads Aktiebolag | Möklinta | 0 tkr |
| Key Investments Sweden AB | Växjö | 0 tkr |
| KGL Invest AB | Vimmerby | 0 tkr |
| K G S Metall Aktiebolag | Gamleby | 0 tkr |
| KIAHL Invest Sweden AB | Nybro | 0 tkr |
| Kikabon AB | Färjestaden | 0 tkr |
| KIKKO AB | Ljungbyholm | 0 tkr |
| Kilen i Oskarshamn Holding AB | Oskarshamn | 0 tkr |
| Kim boom Aktiebolag | Nybro | 0 tkr |
| Kim i Kalmar Holding AB | Kalmar | 0 tkr |
| Kimrex AB | Kalmar | 0 tkr |
| Kinabroar AB | Färjestaden | 0 tkr |
| Kinzjrita AB | Vimmerby | 0 tkr |
| Kirla Holding AB | Västervik | 0 tkr |
| KJB Tommy Lindgren AB | Kalmar | 0 tkr |
| Kjellene Invest AB | Vimmerby | 0 tkr |
| KJL Förvaltning AB | Timmernabben | 0 tkr |
| Klara Färdiga Kalmar AB | Kalmar | 0 tkr |
| Klättorp Invest AB | Vissefjärda | 0 tkr |
| Kleva Fastigheter & Bygg AB | Mörbylånga | 0 tkr |
| KL Konstförmedling AB | Kalmar | 0 tkr |
| Klott AB | Vimmerby | 0 tkr |
| KMLS AB | Kalmar | 0 tkr |
| K.M Olsson i Ålem AB | Ålem | 0 tkr |
| KN Förvaltning och Fastigheter AB | Huskvarna | 0 tkr |
| KN Förvaltning och Fastigheter Holding AB | Huskvarna | 0 tkr |
| KN Ranstad AB | Huskvarna | 0 tkr |
| Koch Design AB | Nybro | 0 tkr |
| Kodyics AB | Staffanstorp | 0 tkr |
| Köhlström Consulting AB | Kalmar | 0 tkr |
| Kok Chew AB | Kalmar | 0 tkr |
| Kollinge Holding i Söderåkra AB | Söderåkra | 0 tkr |
| Kolstad Borgholm Building Group AB | Kalmar | 0 tkr |
| Kompassen i Kalmar AB | Kalmar | 0 tkr |
| Konstaktiebolaget Karneval | Degerhamn | 0 tkr |