| Company name | Reg. code |
|---|---|
| TWDC OÜ kustutatud | 12705881 |
| TPDC OÜ (former name TP Design & Consult OÜ) | 11494755 |
| TWOC OÜ | 16482417 |
| TLDC GLOBAL OÜ kustutatud | 14269332 |
| SWDC SERVICES OÜ kustutatud | 16269690 |
| TDC SOLUTIONS OÜ kustutatud (former name Skodins OÜ) | 16283856 |
| TWC BOATS OÜ | 11914677 |
| TDC EST OÜ kustutatud | 14053916 |
| TDC BALTICS WIRELESS OÜ kustutatud | 11207218 |