| 7801 | Wüstenrot stambena štedionica d.d. | http://www.wuestenrot.hr |
| 7802 | www.5net.hr | http://www.5net.hr |
| 7803 | www.namjestaj.net | http://www.namjestaj.net |
| 7804 | X Portal | http://www.xportal.hr |
| 7805 | Xara d.o.o. | http://www.xara.hr |
| 7806 | Xella prorobeton HR d.o.o. | http://www.xella.hr |
| 7807 | Xerox Limited | http://www.xerox.hr |
| 7808 | XVIII. gimnazija | http://www.18gimnazija.hr |
| 7809 | XYLON d.o.o. | http://www. |
| 7810 | Yacht Charter Croatia | http://www.croatia-yacht-charter.com |
| 7811 | Yacht Club Biograd | http://www.yc-biograd.com |
| 7812 | Yacht Club Zagreb | http://www.ycz.hr |
| 7813 | Yacht Rent | http://www.yacht-rent.com |
| 7814 | Yachting Pivatus | http://www.pivatus.hr |
| 7815 | Yacht-Pool | http://www.yacht-pool.com.hr |
| 7816 | Yoga Centar | http://www.yogacentar.hr |
| 7817 | Yoppi Zagreb d.o.o. | http://www.yoppi.com |
| 7818 | Ytong Croatia d.d. | http://www.ytong.hr |
| 7819 | Z d.o.o., Zagreb | http://www.zdoo-sat.hr |
| 7820 | Zabok wireless | http://www.zabok-wireless.hr |