| Company name | Reg. code |
|---|---|
| CUBEBOX OÜ | 16712180 |
| CUBERON OÜ | 16963321 |
| CUBEXX OÜ kustutatud (former name Clean Earth & Golden Network OÜ) | 14780332 |
| KUKEBOX OÜ | 12618627 |
| JUKEBOX OÜ kustutatud | 10867639 |
| FUSEBOX OÜ (former name Energia Juhtimiskeskus OÜ) | 12773434 |
| CUPBOX OÜ | 16342010 |
| DUKEBOX PROMOTIONS OÜ (former name FN Estonia OÜ) | 14373495 |
| FUSEBOX TRADING OÜ | 17283539 |
| CUPBOX KINNISVARA OÜ | 16573904 |