| Company name | Reg. code |
|---|---|
| INTRONIK OÜ | 17433967 |
| INTROKEK OÜ kustutatud | 11792470 |
| INTROLINK OÜ | 11163739 |
| INTRONE OÜ | 11543608 |
| ENTRONIK OÜ | 11320044 |
| ANDRONIK OÜ (former name GanFoodService OÜ) | 14020087 |
| IRONIK OÜ (former name NP Steel Works OÜ) | 16824878 |
| VALOMERTO OÜ kustutatud (former name Estronik OÜ) | 12788559 |