| Company name | Reg. code |
|---|---|
| HEXACODE OÜ | 12498985 |
| HEXACORP OÜ | 14233682 |
| HEXACOM OÜ | 10977581 |
| HEXACO OÜ | 14319780 |
| HEXACON CAPITAL OÜ kustutatud | 12018985 |
| HELICODE OÜ | 14906603 |
| REXICODE OÜ | 12526902 |
| BERACODE OÜ | 16257066 |
| METACODE OÜ (former name System Sales OÜ) | 14277768 |
| MAURIEHITUS OÜ kustutatud (former name Hexaco Group OÜ) | 12764795 |