| Firma nimi |
|---|
| Coats Eesti OÜ |
| Coberne OÜ |
| Coca-Cola HBC Eesti AS |
| Coffee Crystal OÜ |
| Coffee People OÜ |
| Combifood OÜ |
| Combistock OÜ |
| Combiwood OÜ |
| Comfort textile OÜ |
| COMPATH OÜ |
| Conorel Grupp OÜ |
| Convi Food Sweets OÜ |
| CoomorLander OÜ |
| Coop Eesti Keskühistu |
| Corpcosta OÜ |