| 6361 | Sinkro klub | http://www.zsk.hr |
| 6362 | Sinus, obrt | http://www.sinus.hr |
| 6363 | Siop d.o.o. | http://www.siop.hr |
| 6364 | Sipan | http://www.sipan.hr |
| 6365 | Sipas d.d. | http://www.sipas.hr |
| 6366 | Sirena – mala sirana d.o.o. | http://www.sirena.hr |
| 6367 | Sirena d.o.o. | http://www.sirena-makarska.com |
| 6368 | Sirena Tours | http://www.sirena-tours.hr |
| 6369 | Sirion Centar | http://www.sirion.hr |
| 6370 | Sirius, obrt | http://www.sirius-ri.hr |
| 6371 | Sisak Auto d.o.o. | http://www.sisak-auto.com |
| 6372 | Sisak Press d.o.o. | http://www.sisak-press.hr |
| 6373 | SISTEM VIDEO d.o.o. | http://sistemvideo.hr |
| 6374 | Sistemi Zagreb d.o.o. | http://www.sistemizg.hr |
| 6375 | Sital d.o.o. | http://www.sital.hr |
| 6376 | Sitolab | http://www.sitolab.com |
| 6377 | Sitolor d.o.o. | http://www.sitolor.hr |
| 6378 | Sitolor d.o.o. | http://www.sitolor.hr |
| 6379 | Sitolor d.o.o. Slavonski Brod | http://www.sitolor.hr |
| 6380 | Sitolor Medius d.o.o. | http://www.sitolor-medius.hr |