| Company name | Reg. code |
|---|---|
| UPA OÜ | 12298619 |
| UPA MAJA OÜ | 16735850 |
| UPA EHITUS OÜ kustutatud | 10995358 |
| UPA BUILDING OÜ | 11449499 |
| UPA TEENUSED OÜ | 16924456 |
| UPADS OÜ | 16818748 |
| UPALA OÜ | 14394103 |
| UPAPP OÜ | 16363495 |
| UPAIR OÜ | 16275420 |
| UPAUTO OÜ | 17193724 |
| UPANDUP OÜ | 16567370 |
| UPATECH OÜ | 11725166 |
| UPANDRUN OÜ kustutatud | 16624642 |
| UPADHYAY OÜ | 16602340 |
| MOBINNER OÜ (former name Upah Holding OÜ) | 14372691 |
| UPAFTONIA OÜ | 16689340 |
| UPANDDOWN OÜ | 12543361 |
| UPANGA MSASANI OÜ kustutatud (former name Vogom OÜ) | 12903055 |
| UPAKKTERMINAL EV OÜ | 10885985 |
| WORKRENTSALE OÜ kustutatud (former name Puhkus Ajab Upakile OÜ) | 12821239 |
| FERRUM KAUBAMAJA OÜ (former name Upamehed OÜ) | 14740918 |
| UMA UMA OÜ | 16396000 |
| UMA OÜ | 10040615 |
| IPA OÜ | 17036605 |
| UPM OÜ (former name UPM AS) | 10951848 |
| ÜDA OÜ | 16545090 |
| TPA OÜ | 11376837 |
| CPA OÜ | 16760902 |
| UHA OÜ | 10085919 |
| 5UBA OÜ kustutatud | 14014075 |
| UBA OÜ | 16025887 |
| SUPA OÜ | 16626954 |
| SPA DE LA SPA GROUP OÜ kustutatud | 14316285 |
| HL2DUPA OÜ (former name OLTAVS LTD OÜ) | 14302609 |
| LPA CONSULT OÜ kustutatud | 16023285 |
| AXIS UPI OÜ kustutatud | 12223314 |
| UMA HOLDING OÜ | 16607017 |
| KPA GRUPP OÜ kustutatud (former name OÜ Kärdla Perearstid) | 10366392 |
| ÖSEL SPA OÜ kustutatud | 11241988 |
| UKA MVP OÜ | 14783684 |
| SPA SANITAARTEHNIKA OÜ | 10921899 |
| DIGITAALNE UBA OÜ | 17011232 |
| ELAMUS SPA OÜ | 16548779 |
| UMA INVEST OÜ | 16670108 |
| UPP KRASTA OÜ kustutatud | 14590330 |
| FPA HOLDING OÜ | 17454320 |
| UMA KOHVI OÜ kustutatud | 12373663 |
| UMA RESTORAN OÜ | 16886744 |
| LA SPA OÜ kustutatud | 11059605 |
| SPA PEARL OÜ kustutatud | 12720892 |