| Company name | Reg. code |
|---|---|
| ASTRONEK OÜ (former name Astronek UÜ) | 14483976 |
| ASTARONE OÜ (former name OÜ KalaTäht) | 14973261 |
| ASTROTEL OÜ | 11257831 |
| ASTROMEN OÜ kustutatud | 12374332 |
| ASTRANET OÜ | 17182077 |
| ASTROTEKS OÜ kustutatud | 11347907 |
| ASTROMERK OÜ | 12257069 |
| ASTRONA OÜ | 10789112 |
| ASTONET OÜ | 10684790 |
| ASTONE OÜ | 12229676 |
| ASTRON ESTONIA OÜ | 14459162 |
| ASTRON EESTI OÜ | 14667682 |
| ASTRON KAPITAL OÜ kustutatud | 12381007 |
| ASTRON INTERNATIONAL GLOBAL HOLDING OÜ | 14693478 |
| ESTRONET OÜ (former name Estronet UÜ) | 14200582 |
| SATRONEL OÜ (former name Satron Electronics OÜ) | 12152809 |
| STRONEX OÜ | 17457198 |
| ESTRONE OÜ kustutatud | 11063297 |
| ARONEK OÜ | 16433114 |
| VALOMERTO OÜ kustutatud (former name Estronik OÜ) | 12788559 |