| Company name | Reg. code |
|---|---|
| RUFFCON OÜ kustutatud | 16139415 |
| RUFERON OÜ | 12900588 |
| ROOFCON OÜ | 17119892 |
| RUBECON OÜ | 11708085 |
| BUFFON OÜ | 10260374 |
| IBBP OÜ (former name Rubicon Bit OÜ) | 14928674 |
| NYAKABANDA HARRANGADJI OÜ kustutatud (former name Rubicon Ehitus OÜ) | 14922737 |
| EUROPE MEDICAL INTERNATIONAL OÜ (former name NovaEnergo OÜ) | 14059362 |