| 7321 | Unikem d.o.o. | http://www.unikem.hr |
| 7322 | Unikos d.o.o. | http://www.unikos.hr |
| 7323 | Unimedia | http://www.unimedia.hr |
| 7324 | Unimont d.o.o. | http://www.unimont.hr |
| 7325 | union d.d. - Hotel 'Park' | http://www.union-ck.hr |
| 7326 | Uni-pak d.o.o. | http://www.uni-pak.hr |
| 7327 | UNIQA osiguranje d.d. | http://www.uniqa.hr |
| 7328 | Unique entertainment | http://www.unique-films.com |
| 7329 | Unis Zagreb d.o.o. | http://www.unis.hr |
| 7330 | Unis Zagreb d.o.o. | http://www.unis.hr |
| 7331 | Unisport | http://www.unisport.com.hr |
| 7332 | United States Embassy in Zagreb | http://www.usembassy.hr |
| 7333 | Unitrg d.o.o. | http://www.unitrg.hr |
| 7334 | Unius d.o.o., Požega | http://www.unius.hr |
| 7335 | Universal Photo & Video | http://www.universal-foto-video.hr |
| 7336 | Universum d.o.o. | http://www.universum.hr |
| 7337 | Univerzalni život | http://www.univerzalni-zivot.hr |
| 7338 | Uniweld d.o.o. | http://www.uniweld-strojevi.com |
| 7339 | UOSIS | http://www.uosis.hr |
| 7340 | UPJG | http://www.upjg.hr |