| Ettevõtte nimi | Reg. kood |
|---|---|
| E-WORK OÜ | 14146598 |
| E&K WORKS OÜ | 17311046 |
| E WORKER OÜ | 14200777 |
| EM WORKS OÜ | 16766951 |
| EGO WORKS OÜ kustutatud | 14154882 |
| EURO WORK OÜ | 11016903 |
| WORK EXPO OÜ | 17212841 |
| WORKER EST OÜ | 12649674 |
| WORKING EU OÜ | 17234956 |
| EST WORKING OÜ | 14818052 |
| WORK ESTART OÜ | 16383687 |
| EL WORKSHOP OÜ | 17204480 |
| ESTOM WORKS OÜ kustutatud | 12656800 |
| EVG WORKERS OÜ | 14800497 |
| ERBEK WORKS OÜ | 17277361 |
| EU WORKPLACE OÜ | 17089688 |
| ELLESS WORKS OÜ | 17320499 |
| ESTENA WORKS OÜ | 14893929 |
| FBG WORKS (EST) OÜ | 16181050 |
| EUTANK WORKS OÜ | 16737659 |
| WORKER EXPERT OÜ | 14741390 |
| EMERALD WORKS OÜ | 17195918 |
| EXTREME WORKS OÜ | 11001184 |
| EST-FIN WORKS OÜ kustutatud | 12551917 |
| WORKCENTER EU OÜ | 16052631 |
| ELECTRIC WORKS OÜ (endine nimi JamoTec OÜ) | 14440702 |
| ESTFIN WORKERS OÜ | 11383760 |
| WORK NOW EHITUS OÜ (endine nimi ItEst OÜ) | 12954242 |
| WORKCO ESTONIA OÜ kustutatud | 16277502 |
| EUGENIUS WORKS OÜ | 17328762 |
| ER AUTO WORKSHOP OÜ (endine nimi RaEd Grupp OÜ) | 14653987 |
| WORKBITE EVENTS OÜ | 16797012 |
| EKAR WORKFORCES OÜ | 14332527 |
| WORKATO ESTONIA OÜ | 16513084 |
| EUROPEAN WORKERS OÜ kustutatud | 12028920 |
| WORKLAND ESTONIA OÜ | 14017731 |
| EUROPE WORKPOWER OÜ kustutatud (endine nimi OÜ Aaltovoima Aputiim) | 14530090 |
| TRTHOOLDUS OÜ (endine nimi European Workforce OÜ) | 14872896 |
| ESTLAND WORKGROUP OÜ kustutatud (endine nimi Estland Grupp OÜ) | 14380803 |
| ESTONIAN WOOD WORK OÜ kustutatud | 10819356 |
| COMPOTEXA OÜ kustutatud (endine nimi Work Wise OÜ) | 14444108 |
| NEW WORK ENTERPRISE OÜ | 17117700 |
| WORKSERVICE EHITUS OÜ | 12178985 |
| COMBI WORKS ESTONIA OÜ | 12817918 |
| EASYRIDER´S WORKSHOP OÜ | 14905638 |
| WORKSITESERVICE EST OÜ | 17023212 |
| WTP SCANDINAVIAN OÜ (endine nimi ASTORFI ENTREPRENAD OÜ) | 14175134 |
| MAARJA INVEST OÜ kustutatud (endine nimi Estic Works OÜ) | 12886368 |
| LFS39 HOLDING OÜ (endine nimi ET Works OÜ) | 16161998 |
| ELIIT PUKSIIR OÜ (endine nimi Global Work OÜ) | 14708814 |