| 641 | Art Travel | http://www.art-travel.hr |
| 642 | Artas d.o.o. | http://www.artas.hr |
| 643 | Art-Metal d.o.o. | http://www.art-metal.hr |
| 644 | Arton d.o.o. | http://www.arton.hr |
| 645 | Art-Radiotherm | http://www.art-radiotherm.hr |
| 646 | Art-ST, obrt | http://www.art-st.hr |
| 647 | Artur Erceg | http://www.artur.hr |
| 648 | AS Adria Service | http://www.as-adria.hr |
| 649 | asadria | http://apartments-asadria.hr |
| 650 | Asapo, obrt | http://www.asapo.hr |
| 651 | ASBAC | http://www.asbac.hr |
| 652 | ASBIS Hrvatska | http://www.asbis.hr |
| 653 | ASC Špansko | http://www.as-c.hr |
| 654 | ASCRO, časopis | http://www.ascro.net |
| 655 | Asel d.o.o. | http://www.asel.hr |
| 656 | Aspecto d.o.o. | http://www.aspecto.hr |
| 657 | Aspekt d.o.o. | http://www.aspekt.hr |
| 658 | AssHaus d.o.o. | http://www.asshaus.hr |
| 659 | Astarta d.o.o. | http://www.astarta-rovinj.hr |
| 660 | AST-Auto d.o.o. | http://www.ast-auto.hr |