| Company name | Reg. code |
|---|---|
| WELLO OÜ (former name FundEM OÜ) | 12808664 |
| WELL WELL OÜ | 12192074 |
| WELCO OÜ | 11186580 |
| WELEO OÜ kustutatud | 16680511 |
| WELDO OÜ kustutatud | 16592698 |
| WELLE OÜ | 11543655 |
| WELHO OÜ | 14043792 |
| 3WELLS OÜ | 11245584 |
| WELL OÜ | 12851430 |
| WELLE MÖÖBEL OÜ | 12487154 |
| WELLC EUROPE OÜ kustutatud | 11924629 |
| WELCO KONSULTATSIOONID OÜ | 12374674 |
| WELLGO EHITUS OÜ | 14893616 |
| WELCO WORKS OÜ kustutatud | 12972866 |
| WELCO TARTU OÜ | 12931040 |
| WELCO INVEST OÜ kustutatud | 11755664 |
| WELCO ELEKTER OÜ kustutatud | 11201960 |
| WELL-BEING OÜ | 14996285 |
| GO WELL OÜ | 12559770 |
| WELL TARGETED OÜ kustutatud | 14087594 |
| GRAVITY WELL OÜ | 10251387 |
| WELL CONSIDERED OÜ | 17457904 |
| WELL SAID OÜ | 16180903 |
| CAPITAL WELL OÜ | 12951870 |
| WELL DESERVED OÜ kustutatud | 16138404 |
| WELL TECHNOLOGY OÜ (former name OÜ Well Tehnoloogia) | 12843577 |
| WELL TRADING OÜ | 16252577 |
| WELL PLAYED OÜ (former name Angeloculus OÜ) | 12882028 |
| WELL COMMUNICATIONS OÜ kustutatud | 10427538 |
| Well Partner OÜ kustutatud | 11207626 |
| WELL ADJUSTED OÜ | 12325747 |
| MORE WELL OÜ | 12936391 |
| WELL EHITUS OÜ kustutatud | 12723488 |
| WELL DONE OÜ | 12340764 |
| WELL VITAL OÜ kustutatud | 14131935 |
| WELL PROJEKT OÜ | 11207566 |
| WELL INVEST OÜ | 11086654 |
| WELL CLINIC OÜ | 17120725 |
| WELL WORK OÜ | 14764020 |
| EAT WELL OÜ | 12491227 |
| WELLE MEDIA GRUPPE OÜ kustutatud | 11975704 |
| EAT WELL EESTI OÜ | 16265054 |
| WELL DONE NETWORKS OÜ | 12380249 |
| WELL-WAY TRADE OÜ (former name Liiner Eesti OÜ) | 12381183 |
| WELL BEING VILLAGE OÜ | 10869526 |
| WELDING VERY WELL OÜ kustutatud | 12844186 |
| BEAUTY & WELL- BEING OÜ | 17071889 |
| WELL ROUNDED TECHNOLOGIES OÜ | 16579232 |
| DO IT WELL OÜ | 16533023 |
| VOWS WELL TRAVELED OÜ kustutatud | 16433304 |