| Firma nimi |
|---|
| Cozy Cabin Design OÜ |
| Cozy Heat OÜ |
| CPA OÜ |
| Craftico OÜ |
| Craftmasters Estonia OÜ |
| Crate88 OÜ |
| Crazy Caracal OÜ |
| Creative Flow OÜ |
| Creatures Creatives Labs OÜ |
| Cristella VT OÜ |
| Crystal Distillery OÜ |
| Cuce-Camp OÜ |
| Cyber System OÜ |
| D.T.L Consumer Products Eesti AS |
| Dada AD OÜ |