| Company name | Reg. code |
|---|---|
| PROARX OÜ | 16987847 |
| VIKING PROART OÜ (former name Timax-Art Consulting OÜ) | 14261324 |
| PROART SERVICE OÜ | 12689981 |
| PROARCA OÜ kustutatud | 10950429 |
| PROANS OÜ kustutatud | 14634518 |
| PROAREA OÜ | 16240597 |
| PROFRA OÜ | 10109956 |
| PROGRO OÜ | 16275176 |
| PROMARK OÜ kustutatud | 11396415 |
| PROLOX OÜ | 14848120 |
| PROMAR OÜ kustutatud | 12075670 |
| PROBEX OÜ | 10474087 |
| PROMIX OÜ | 16614543 |
| PROCARE OÜ | 11232334 |
| PROKRI OÜ | 10697491 |
| PROLEX OÜ | 10605678 |
| PROCAR OÜ | 14622308 |
| PROMEX OÜ kustutatud | 12221999 |
| PROAAA OÜ | 16196643 |
| PROAGRI OÜ | 11150576 |
| PRODEX OÜ | 17125361 |
| PROBAR OÜ | 12103521 |
| PROMARA OÜ | 17016560 |
| PROPRI OÜ | 16409961 |
| PROMARK OÜ | 17433453 |
| PROJEX OÜ | 16309596 |
| PRODOX OÜ | 11011389 |
| PROJAR INVEST OÜ | 11452679 |
| PROMAX GROUP OÜ kustutatud | 11692053 |
| SVR PROMIX OÜ | 17127839 |
| PROFIX TECHNICS OÜ kustutatud | 12944829 |
| PROALG BUSINESS OÜ | 17378796 |
| PROFARM EESTI OÜ kustutatud | 10114302 |
| PRONIX FAMILY OÜ | 16880003 |
| PROMIX-MODEL OÜ | 10233099 |
| PROLUX GROUP OÜ kustutatud | 12489785 |
| PROACT HALDUS OÜ (former name JAHI Haldus OÜ) | 17164929 |
| PROJEX ESTONIA OÜ | 14947559 |
| VI PROGRE OÜ kustutatud | 12341491 |
| OGRE PROGRE OÜ kustutatud | 14424755 |
| PROFOX TRADE OÜ (former name Aktsiaselts Profox Trade) | 10569830 |
| SP PROGRE OÜ kustutatud | 12297525 |
| PROBEX BALTIC OÜ | 12052752 |
| KOPEL PROGRE OÜ kustutatud | 12325262 |
| PROFEX BALTIC OÜ | 14647231 |
| PROBRO GROUP OÜ | 17348049 |
| O.PROALP OÜ | 16854201 |
| PROCARS NORDIC OÜ | 12871881 |
| PROCARD BALTIC OÜ | 10093735 |
| MDL PROBOX OÜ (former name Ljungvall Trading OÜ) | 12980624 |