| Company name | Reg. code |
|---|---|
| RHA OÜ | 17115718 |
| RHA ILUTEENUSED OÜ | 14771267 |
| RHA DATA SERVICE OÜ | 14396734 |
| RHAM OÜ | 12662864 |
| RHAMDA OÜ kustutatud | 16569305 |
| RHAETIA OÜ | 17352714 |
| RHAUSING OÜ | 17451639 |
| RHAND TECH OÜ kustutatud | 16108679 |
| RHABARBARUM OÜ | 14793435 |
| RHABA INVEST OÜ | 14423537 |
| RHAROUS BAZIKANE OÜ (former name Nambro OÜ) | 12952450 |
| EP KONSULTATSIOONID OÜ (former name Rhana OÜ) | 14219956 |
| RBA OÜ | 16518472 |
| RHC OÜ (former name Rosimannus Holding Company OÜ) | 12879598 |
| EHA OÜ | 16222180 |
| REHA OÜ kustutatud | 12094851 |
| REA OÜ kustutatud | 12309044 |
| HRA OÜ | 12232750 |
| RHK OÜ | 12142113 |
| RAHA OÜ | 14428090 |
| RHS OÜ | 14859743 |
| RLA OÜ | 14844807 |
| RMA OÜ (former name Saare Hambakliinik OÜ) | 16628108 |
| RHB OÜ | 14650533 |
| RHM OÜ | 16794858 |
| RHL OÜ | 10131298 |
| RHF1 OÜ | 16993764 |
| EHA 16 OÜ | 17259682 |
| ERHA OÜ | 16718455 |
| RHN OÜ | 16994623 |
| RJA MEDIA OÜ | 16904100 |
| VABA RAHA OÜ | 16630200 |
| ERHA INTERNATIONAL OÜ kustutatud | 12115369 |
| AK RAHA OÜ | 16016049 |
| AKINAI RAHA OÜ | 16858891 |
| RMA CONSULTANCIES OÜ | 17163083 |
| HRA INTERACTIVE OÜ | 16762344 |
| ALVET RPA OÜ (former name Business Abi OÜ) | 14007862 |
| REA-SÜRME OÜ kustutatud | 10405643 |
| ZETA RHO OÜ kustutatud | 14452912 |
| RAHA PARTNER OÜ | 14351298 |
| JHA ASSETS OÜ | 14944124 |
| VALGE RAHA OÜ | 16836870 |
| RIA STANTEKS OÜ | 11242522 |
| JHA HOLDING OÜ | 14951957 |
| RAHA KULUB OÜ kustutatud | 16060990 |
| EHA FARMSTAY OÜ | 17247816 |
| RAHA KODU OÜ kustutatud | 12687189 |
| RMA KAPITAL OÜ | 17169909 |
| RÄNGA RAHA OÜ | 16366418 |