| Company name | Reg. code |
|---|---|
| ANNAWORKS OÜ | 14300881 |
| ONNIWORKS OÜ | 17293259 |
| ALFAWORKS OÜ kustutatud | 12047030 |
| MAUNAWORKS OÜ | 14795693 |
| MANTAWORKS OÜ | 16964800 |
| HUMAN DESIGN SYSTEM OÜ (former name Nanoworks OÜ) | 12887184 |
| BETOONITRANSPORT OÜ (former name Hansaworks OÜ) | 12439830 |