| Ettevõtte nimi | Reg. kood |
|---|---|
| WORKIUM OÜ | 17420396 |
| WORKIFY OÜ (endine nimi Workify UÜ) | 14768006 |
| WORKHUB OÜ kustutatud | 16660023 |
| WORKIVO OÜ kustutatud | 14888561 |
| WORKTUG OÜ | 14689689 |
| WORKFUN OÜ | 16642657 |
| WORKSUP OÜ | 14557083 |
| WORKING OÜ (endine nimi Working UÜ) | 12160571 |
| WORKOUT OÜ | 12487680 |
| WORKILA OÜ (endine nimi Edvilina OÜ) | 14396007 |
| WORKIS OÜ | 14566923 |
| WORKUP OÜ | 14345441 |
| WORKIT OÜ | 11058959 |
| HARDLY WORKING OÜ | 16222530 |
| SCANDY WORKING OÜ (endine nimi Skandi Working OÜ) | 14229321 |
| WORKING EU OÜ | 17234956 |
| WORKING PARTNER OÜ (endine nimi Working Partner UÜ) | 12013597 |
| WORKING MAN OÜ | 11238638 |
| WORKING ART OÜ kustutatud | 12680684 |
| WORKING TITLE OÜ kustutatud | 12985082 |
| TIMANTTI WORKING OÜ kustutatud | 12899276 |
| WORKING CAPITAL OÜ kustutatud | 11516994 |
| WORKING SYSTEMS OÜ | 14066913 |
| WORKING FAMILY OÜ | 17269083 |
| PRE-WORKOUT OÜ | 16852739 |
| EST WORKING OÜ | 14818052 |
| JUMPBRASIL WORKOUT OÜ | 16707871 |
| LA-WORKOUT OÜ | 16514787 |
| WORKING CANINE GROUP OÜ | 17417313 |
| WORKING INVESTMENT OÜ UÜ kustutatud (endine nimi Working Investment UÜ) | 11627452 |
| WORKING SYSTEMS OÜ UÜ kustutatud (endine nimi Working Systems UÜ) | 11975526 |
| PROFESSIONAL WORKING GROUP OÜ kustutatud | 16612395 |
| WORKING GROUP OÜ UÜ kustutatud (endine nimi Working Group UÜ) | 11733266 |
| WOODIUM OÜ | 17306039 |
| NORDIUM OÜ | 10930786 |
| GORVIUM OÜ | 17491485 |
| FORTIUM OÜ | 16465971 |
| LARKIUM OÜ | 17381880 |
| STORKIUM OÜ | 14842116 |
| ORVIUM OÜ | 14439892 |
| ORBIUM OÜ | 17153469 |
| AB PARTNERS CORPORATION OÜ UÜ kustutatud (endine nimi Working Money OÜ) | 11745246 |
| SAARESTE EESTI OÜ (endine nimi Working Center OÜ) | 12024282 |
| BESTWAYS CAPITAL OÜ kustutatud (endine nimi Working Capital OÜ) | 11514110 |
| EURO MACHINERY OÜ kustutatud (endine nimi Working Masters OÜ) | 11516988 |
| KOFMAN OÜ (endine nimi Home Workout OÜ) | 14140130 |
| NORDIUM EST OÜ | 10796827 |
| FORTIUM FINANCE OÜ | 12280358 |
| FORTIUM ESTATE OÜ kustutatud | 11342867 |
| NORDIUM MASTERS OÜ kustutatud (endine nimi Nordium Masters UÜ) | 12552271 |