| Company name | Reg. code |
|---|---|
| RDX OÜ | 12015745 |
| RDX GRUPP OÜ | 12399071 |
| RAX RX OÜ | 16272663 |
| RNX OÜ | 14448046 |
| RIX OÜ | 16806691 |
| RIX OÜ kustutatud | 10411632 |
| 3RWX OÜ | 16045884 |
| RBX OÜ | 16190114 |
| NDX OÜ kustutatud (former name Olddadbtc OÜ) | 16069910 |
| RDK OÜ | 16325371 |
| REX OÜ | 14503064 |
| RDV OÜ | 16953436 |
| ROX OÜ | 11162094 |
| RDL3 OÜ | 17286153 |
| RUX OÜ | 14484823 |
| RDU OÜ | 16626782 |
| 3REX OÜ kustutatud | 16363549 |
| XDX SERVICES OÜ | 17262909 |
| RDV MENTEE OÜ kustutatud | 16911146 |
| RDT LIISING OÜ | 10712492 |
| DDX INVESTMENT OÜ (former name DDX Investment UÜ) | 14288654 |
| RDS INVESTEERINGUD OÜ | 12868809 |
| REX-NETWORKS OÜ kustutatud | 11727828 |
| RTX LINES OÜ | 11415371 |
| RDE CORPORATION OÜ | 12895210 |
| DDX LOGISTICS OÜ | 17403825 |
| REX NORDIC OÜ | 14326277 |
| NOSTER REX OÜ | 11555824 |
| RKX INVEST OÜ (former name OÜ FoodPay) | 17142230 |
| DDX WORKS OÜ kustutatud (former name Bonus Capital OÜ) | 14332027 |
| DDX HOLDING OÜ kustutatud | 14813801 |
| PLANT RDM OÜ | 14949877 |
| RAX MEDIA OÜ | 14310023 |
| RIX CAR OÜ kustutatud | 11911615 |
| RFX STEEL OÜ kustutatud | 11546937 |
| RAX INVEST OÜ | 12751616 |
| RDA TRADE OÜ kustutatud | 12613771 |
| RSX KAUBANDUS OÜ kustutatud | 14006227 |
| REX CAPITAL OÜ (former name OÜ Rex Fine Art) | 14471157 |
| RDK HALDUS OÜ | 16605292 |
| RPX AUTO OÜ | 16587774 |
| RDK INVESTEERINGUD OÜ kustutatud | 12444251 |
| RPX LABS OÜ | 14998315 |
| RDT MAJA OÜ | 10490614 |
| RLX MEDIA OÜ | 14775495 |
| RDN TECHNOLOGIES OÜ (former name Radionetworks OÜ) | 12771412 |
| RDM PRIVISION OÜ kustutatud | 11507564 |
| RDK GRUPP OÜ | 16163483 |
| ROX INVESTMENTS OÜ | 16777204 |
| RIX TREILERVEOD OÜ kustutatud | 12854411 |