| 6621 | Stridon d.o.o. | http://www.stridon.hr |
| 6622 | Strikoman film d.o.o. | http://www.strikoman-film.hr |
| 6623 | Strojna obrada motora Ljubić i Ljubić Moto d.o.o | http://www.ljubic.hr |
| 6624 | Strojobravarija Barok | http://www.barok.hr |
| 6625 | Strojograd d.o.o. | http://www.strojograd.hr |
| 6626 | Strujić-S d.o.o. | http://www.strujic-s.hr |
| 6627 | Strukovna škola Pula | http://www.strukovna-skola-pula.hr |
| 6628 | Strukovna škola Varaždin | http://www.srednjastrukovnaskola.hr |
| 6629 | Stubičke toplice, bolnica | http://www.bolnicastubicketoplice.com |
| 6630 | Stublić Impex d.o.o. | http://www.stublic.hr |
| 6631 | Studenac d.o.o. | http://www.studenac.hr |
| 6632 | Studentski centar | http://www.sczg.hr |
| 6633 | Studentski centar - SC | http://www.sczg.hr |
| 6634 | Studentski centar Požega | http://www.sc-pozega.com |
| 6635 | Studentski centar u Osijeku | http://www.stucos.hr |
| 6636 | Studij dizajna | http://www.studijdizajna.com |
| 6637 | Studio Artlan | http://www.studioartlan.com/ |
| 6638 | Studio Cro-ker | http://www.croker.hr |
| 6639 | Studio dentistico | http://www.studiostradiot.hr |
| 6640 | Studio E | http://www.studioe.hr |