| Company name | Reg. code |
|---|---|
| TEK-INVEST OÜ | 16135475 |
| VERONI INVEST OÜ kustutatud (former name TEK VaradeHaldus OÜ) | 14527389 |
| TEKO INVEST OÜ (former name Osaühing TEKO) | 10972709 |
| FEK INVEST OÜ (former name R.E.R Design OÜ) | 14398182 |
| TEN TWELVE INVEST OÜ | 12863433 |
| MUSTAMÄE TEE INVEST OÜ | 12577549 |
| PÄRNU KEK INVEST OÜ kustutatud | 10297604 |
| TEPHOUSE OÜ (former name Tep Invest OÜ) | 16308817 |