| BitHoot | |
| Bitnet d.o.o. | |
| BitSteer | City of Zagreb |
| Blažek d.o.o. | City of Zagreb |
| Blink d.o.o. | City of Zagreb |
| BNB sklad d.o.o. | City of Zagreb |
| Boje Media | |
| Borea d.o.o. | City of Zagreb |
| Borealis | |
| Borg d.o.o. | |
| Bornfight Studio | |
| Bozooart | City of Zagreb |
| Brainit | |
| Branche | |
| Brojka Creative Production | |
| Brrax d.o.o. | City of Zagreb |
| Bruckom | |
| BTNet d.o.o. | City of Zagreb |
| Bulb Technologies | Zagreb |
| Byte Lab | Zagreb |
| Cactus Code d.o.o. | |
| CadCam Group | City of Zagreb |
| CADEA d.o.o. | Split-Dalmatia |
| Calisto d.o.o. | |
| Calyx d.o.o. | City of Zagreb |
| Canon Hrvatska | City of Zagreb |
| Carnet | City of Zagreb |
| Carpio ERP | City of Zagreb |
| Casarum d.o.o. | Istria |
| Caste it | Split-Dalmatia |
| CEL ART | Istria |
| Chronos Info d.o.o. | |
| Cimerman Software | Međimurje |
| Cinnamon | |
| Cinnamon | |
| CITUS d.o.o. | City of Zagreb |
| Claritas d.o.o. | |
| CloudBit | |
| Clover Studio | City of Zagreb |
| CMG Digital | |
| Code Of Us d.o.o. | |
| Codel d.o.o. | City of Zagreb |
| CodeMage | |
| Codemap | |
| Coder d.o.o. | Split-Dalmatia |
| Collective Mind Development d.o.o. | |
| COM 2000 | City of Zagreb |
| Com Eng d.o.o. | City of Zagreb |
| Com Eng Data d.o.o. | |
| Combis d.o.o. | City of Zagreb |