| 301 | Alternatura, agencija | http://www.alternatura.hr |
| 302 | Althea, obrt | http://www.althea.hr |
| 303 | Alto Krvavica | http://www.alto-krvavica.hr |
| 304 | Alto trade d.o.o. | http://www.alto.hr |
| 305 | Altocomm d.o.o. | http://www.altocomm.hr |
| 306 | Altravia d.o.o. | http://www.altravia.hr |
| 307 | Altus d.o.o. | http://www.altus.hr |
| 308 | Alu Protekt d.o.o. | http://www.aluprotekt.com |
| 309 | Aluplast d.o.o. | http://www.aluplast.hr |
| 310 | ALUPLAST INŽINJERING d.o.o | http://www.aluplast-inzinjering.biz |
| 311 | Aluplast Zadar d.o.o. | http://www.aluplast-zadar.hr |
| 312 | Alu-plastik, Rešetari | http://www.alu-plastik.com |
| 313 | Alu-tend, obrt | http://alutend.hr |
| 314 | Alutermik d.o.o. | http://www.alutermik.hr |
| 315 | Aluterm-Videk d.o.o. | http://www.aluterm-videk.hr |
| 316 | Always.com.hr | http://www.always.com.hr |
| 317 | Aljinović d.o.o. | http://www.aljinovic.hr |
| 318 | Am Adria d.o.o. | http://www.am-adria.hr |
| 319 | Am grupa d.o.o. | http://www.amgrupa.hr |
| 320 | AM Hoteli d.o.o. | http://www.hotelablana.com |