| Company name | Reg. code |
|---|---|
| WETEST OÜ (former name Spray Lock Estonia OÜ) | 14194640 |
| WETES OÜ | 14962866 |
| WETESTOR OÜ | 10115804 |
| HETEST OÜ | 11403043 |
| WEBEST OÜ | 12215220 |
| GETEST OÜ | 16434143 |
| WELEST24 OÜ kustutatud | 14282054 |
| WESTEST OÜ kustutatud | 10904211 |
| PETEST OÜ | 16694217 |
| WESTEST HOLDINGS OÜ kustutatud | 12282446 |
| NETEST ENTERTAINMENT OÜ | 11497759 |
| METEST STEEL OÜ | 14393581 |
| METEST METALL OÜ | 11203338 |
| WESTEST RENT OÜ kustutatud | 17094695 |
| WESTEST TRANS OÜ kustutatud (former name Tunneltrans OÜ) | 10921818 |
| WESTEST NORTH OÜ | 16245413 |
| WESTEST ROOFING OÜ | 12773552 |
| WETNVEST OÜ | 17142626 |
| WETASTE OÜ | 12847492 |
| CENTEST OÜ | 11918847 |
| DETESO OÜ | 17287359 |
| BESTEST OÜ kustutatud | 11655916 |
| EWELEST OÜ kustutatud | 11357538 |
| ELTEST OÜ | 10188602 |
| DELEST OÜ (former name OÜ Skamillgolv) | 10783256 |
| APTEST OÜ kustutatud | 10126819 |
| BESTEST OÜ | 14121032 |
| FEDEST OÜ | 16080716 |
| BEEEST OÜ | 16830519 |
| GEFEST OÜ kustutatud | 12334960 |
| ENTEST OÜ | 14515417 |
| DENTEST OÜ | 10077452 |
| GENEST OÜ | 11313914 |
| DEMEST OÜ kustutatud | 12935670 |
| FOTEST OÜ | 14199206 |
| BETOEST OÜ (former name HeaEhitus OÜ) | 12262685 |
| BEHEST OÜ | 12700045 |
| CLTEST OÜ | 11177351 |
| CELEST OÜ | 12852872 |
| FITEST OÜ | 14995096 |
| ARTEST OÜ | 14098215 |
| BELUNA DIGIAGENTUUR OÜ (former name WeTech OÜ) | 14071937 |
| BELEST HOLDING OÜ kustutatud | 12222119 |
| ESTEST HOLDING OÜ | 14531675 |
| EWEREST GRUPP OÜ | 17406373 |
| NORDHAUS BELEST OÜ kustutatud | 12192499 |
| ATTEST ADVISORY OÜ (former name Upper Market OÜ) | 14048720 |
| ATTEST INVEST OÜ | 16506575 |
| ATTEST HOLDING OÜ | 16410504 |
| BESTEST PACK OÜ (former name Makali grupp OÜ) | 14150105 |