| Firma nimi |
|---|
| Combiwood OÜ |
| Comfort textile OÜ |
| COMPATH OÜ |
| Conorel Grupp OÜ |
| Convi Food Sweets OÜ |
| CoomorLander OÜ |
| Coop Eesti Keskühistu |
| Corpcosta OÜ |
| Corpowear OÜ |
| Corvino OÜ |
| Cozy Cabin Design OÜ |
| Cozy Heat OÜ |
| Craftmasters Estonia OÜ |
| Creativity Catcher OÜ |
| Creatures Creatives Labs OÜ |