| 4001 | Kruna, pekara | http://www.kruna.hr |
| 4002 | Krunc | http://www.krunc.tk |
| 4003 | Krypto d.o.o. | http://www.krypto.hr |
| 4004 | KS centar | http://www.ksc.hr |
| 4005 | KSR Korana | http://www.ksr-korana.hr |
| 4006 | KSVZ | http://www.ksvz.hr |
| 4007 | KSW Infotech d.o.o. | http://www.ksw.hr |
| 4008 | KTC d.o.o. | http://www.ktc.hr |
| 4009 | K-tel d.o.o. | www.k-tel.hr |
| 4010 | KTF Split | http://www.ktf-split.hr |
| 4011 | Kuća Desin | http://www.desin.hr |
| 4012 | Kuća Duomo | http://www.duomo.hr |
| 4013 | Kuća Jurišić | http://www.baskavoda-hr.com |
| 4014 | Kuća svetog Franje | http://www.kuca-sv-franje.hr |
| 4015 | KUD Šokica | http://www.kudsokica.com |
| 4016 | Kudumija | http://www.kudumija.hr |
| 4017 | Kugellager d.o.o. | http://www.kugellager.hr |
| 4018 | Kuglački savez | http://www.kuglacki-savez-os.hr |
| 4019 | Kuhinje URA Uradi sam d.o.o. | http://www.kuhinje-ura.hr |
| 4020 | Kuki, obrt | http://www.kuki.hr |