| 1861 | Dučakijević d.o.o. | http://www.ducakijevic.hr |
| 1862 | Duga graditeljstvo | http://www.duga-graditeljstvo.hr |
| 1863 | Dugi otok | http://www.dugiotok.hr |
| 1864 | Dugi Rat | http://www.dugirat.com |
| 1865 | Dugić grupa d.o.o. | http://www.dugic-grupa.hr/ |
| 1866 | Duja d.o.o. | http://www.duja.hr |
| 1867 | Duje - Sumpetar | http://www.apartments-duje.com |
| 1868 | Dunapack d.o.o. | http://www.dunapack.hr |
| 1869 | Dundo promet | http://www.dundo.hr |
| 1870 | Dunja elektronika d.o.o. | http://www.dunja.hr |
| 1871 | Duo automobili d.o.o. | http://www.duo-automobili.hr |
| 1872 | DUO MAGIC | http://free-st.htnet.hr/Igor |
| 1873 | Dupin d.o.o. | http://www.dupin.hr |
| 1874 | Dural d.o.o. | http://www.dural.hr |
| 1875 | Durata d.o.o. | http://www.durata.hr |
| 1876 | Durban d.o.o. | http://www.durban.hr |
| 1877 | Durieux d.o.o. | http://www.durieux.hr |
| 1878 | Dušobrižnički ured | http://www.hrvatskodusobriznistvo.de |
| 1879 | Duwar d.o.o. | http://www.duwar.hr |
| 1880 | DV Pojekt d.o.o. | http://www.dvprojekt.hr |