| KeeWee Mods AB | Kalmar | 0 tkr |
| KEHL Invest AB | Kalmar | 0 tkr |
| Keinvall i Kalmar AB | Kalmar | 0 tkr |
| KEN Indoor Climate AB | Kalmar | 0 tkr |
| Ketax Holding AB | Kalmar | 0 tkr |
| Key Investments Sweden AB | Växjö | 0 tkr |
| KIKKO AB | Ljungbyholm | 0 tkr |
| Kim i Kalmar Holding AB | Kalmar | 0 tkr |
| Kimrex AB | Kalmar | 0 tkr |
| KJB Tommy Lindgren AB | Kalmar | 0 tkr |
| Klara Färdiga Kalmar AB | Kalmar | 0 tkr |
| KL Konstförmedling AB | Kalmar | 0 tkr |
| KMLS AB | Kalmar | 0 tkr |
| Köhlström Consulting AB | Kalmar | 0 tkr |
| Kok Chew AB | Kalmar | 0 tkr |
| Kolstad Borgholm Building Group AB | Lekeryd | 0 tkr |
| Kompassen i Kalmar AB | Kalmar | 0 tkr |
| Kotanidis Konsult AB | Kalmar | 0 tkr |
| KPNL INVEST AB | Kalmar | 0 tkr |
| Krafslösa Invest AB | Kalmar | 0 tkr |
| Kraftschakt Kalmar AB | Kalmar | 0 tkr |
| KR Consulting i Kalmar AB | Färjestaden | 0 tkr |
| Kristallens Familjehem AB | Kalmar | 0 tkr |
| KSC Invest AB | Kalmar | 0 tkr |
| Kuldi Holding AB | Kalmar | 0 tkr |
| Kullen 1504 AB | Kalmar | 0 tkr |
| Kulminera Aktiebolag | Rockneby | 0 tkr |
| Kultivatormagasinet AB | Kalmar | 0 tkr |
| Kulturvård MN AB | Växjö | 0 tkr |
| Kuppamåla Skogs AB | Borås | 0 tkr |
| KV 1 Gård 1 AB | Kalmar | 0 tkr |
| KV 1 Hyr 3 AB | Kalmar | 0 tkr |
| Kvadratrot AB | Kalmar | 0 tkr |
| Kvalimatic AB | Kalmar | 0 tkr |
| KvarnHub AB | Kalmar | 0 tkr |
| KvarnLog2 AB | Kalmar | 0 tkr |
| KvarnMolle AB | Kalmar | 0 tkr |
| KvarnMolle Dahlbergs AB | Kalmar | 0 tkr |
| Kvarnstaden Fjölebro 2 AB | Kalmar | 0 tkr |
| Kvarnstaden Fritzell & Pantzar AB | Kalmar | 0 tkr |
| Kvarnstaden Logistik AB | Kalmar | 0 tkr |
| Kvarnstaden Projektholding AB | Kalmar | 0 tkr |
| Kvarnstaden Spridd Helikoptern AB | Kalmar | 0 tkr |
| K-V Bygg Kalmar-Öland Holding AB | Kalmar | 0 tkr |
| Kvestan Fastigheter AB | Kalmar | 0 tkr |
| KVF i Kalmar AB | Kalmar | 0 tkr |
| K-V Holding AB | Kalmar | 0 tkr |
| K-V Kalmar Fastigheter AB | Kalmar | 0 tkr |
| Kwans Import Aktiebolag | Kalmar | 0 tkr |
| Kylia i Kalmar AB | Ljungbyholm | 0 tkr |