| Company name | Reg. code |
|---|---|
| TIK-TAK OÜ | 10296562 |
| TIKU & TAKU OÜ kustutatud | 11097876 |
| TIKU JA TAKU OÜ | 17014710 |
| TAK & BYGGSPECIALISTEN OÜ kustutatud (former name Renevec OÜ) | 14450348 |
| TAK!SPACE OÜ | 17323256 |
| AVESTA TAK OÜ kustutatud (former name roof and windows OÜ) | 14690296 |
| TAK-AUTO OÜ | 10171139 |
| TAK-FASADE OÜ kustutatud | 11652562 |
| TAK R&D OÜ | 11147338 |
| NORDENS TAK & ENTREPRENAD OÜ kustutatud | 12800906 |
| TB TAK OCH BYGG OÜ kustutatud | 14269562 |
| NORD TAK & BYGG TEKNIK OÜ (former name Questall Group OÜ) | 14065842 |
| PK TAK O BYGG OÜ kustutatud | 12802265 |
| SIK SAK ILUSAKS OÜ | 11190506 |
| CLEVERCAT OÜ (former name TAK ENERGIA OÜ) | 11153959 |
| HANDSKEN OÜ (former name OÜ TEK-36) | 12968729 |
| XNTECH OÜ (former name GEP-TRK OÜ) | 14095843 |
| HARRYS VARAHALDUS OÜ (former name TSK Mets OÜ) | 14825980 |
| ERMA ARENDUS OÜ (former name TBK Holding OÜ) | 14397366 |
| UTILITAS WIND OÜ (former name OÜ TCK Wind) | 16171123 |
| TKK EUROPE OÜ kustutatud (former name TKK METS OÜ) | 12760667 |
| DZHAVGAT BUENSUCESO OÜ (former name TK1 OÜ) | 11538085 |
| SUME KUMA OÜ (former name Tip Tap Siuh OÜ) | 14680636 |
| KVARTALS CUTS AND SHAVES BARBERSHOP OÜ (former name ALBARBER OÜ) | 16094003 |
| OSINT MARKETING OÜ (former name TK Agro OÜ) | 14465783 |
| KANCIL RUMAHSAKIT OÜ kustutatud (former name TK Tehnikarent OÜ) | 14898358 |
| JOOKSONLAHE AKADEEMIA OÜ (former name TK Ecoclima OÜ) | 14795463 |
| GOKARNA BAHERNAGAR OÜ (former name TK1 Transport OÜ) | 14898401 |
| ELIMAT OÜ kustutatud (former name TMK Teenused OÜ) | 11613579 |
| VERONI INVEST OÜ kustutatud (former name CB VaradeHaldus OÜ) | 14527389 |
| NAUJININ ILLUGASTADHIR OÜ kustutatud (former name Leoni Teetööd OÜ) | 16072409 |
| DRUJOS SMETONOS OÜ (former name Pluss Ehitus OÜ) | 16185131 |