| Company name | Reg. code |
|---|---|
| RSKS OÜ | 14326892 |
| RSKS HOLDING OÜ | 11554150 |
| RSKS MEISTER OÜ | 17078733 |
| RSKA OÜ | 14146479 |
| RSK OÜ kustutatud | 14783945 |
| RSKT SERVICES OÜ | 14166721 |
| RSK PLUSS OÜ kustutatud | 11446012 |
| RSK INVESTMENTS OÜ | 14846545 |
| RSK AGRO OÜ kustutatud | 12368604 |
| RSK GROUP OÜ | 14397053 |
| RSK PROJECT OÜ (former name Rusky Project OÜ) | 11659021 |
| RSK FOOKUS OÜ | 14142703 |
| RSK KINNISVARA OÜ | 17134874 |
| RSVS OÜ | 16321522 |
| RÖKS OÜ kustutatud | 12993868 |
| RKS OÜ | 10773884 |
| RIKS INVEST OÜ | 16481705 |
| REKS PARTNER OÜ (former name DNVRS PROJECT OÜ) | 16063830 |
| RFKS JURISTIBÜROO OÜ kustutatud | 11175116 |
| OLDI RAKS OÜ kustutatud | 10267684 |
| ROKS COMPANY OÜ | 12980133 |
| RAKS VEOD OÜ | 12393298 |
| RAKS EHITUSTEENUS OÜ | 16234763 |
| REKS-KONTORITEHNIKA OÜ | 10382534 |
| REKS HOLDING OÜ | 16581737 |
| RSMS WORLDWIDE OÜ kustutatud (former name Bravocorp OÜ) | 14160256 |
| RAKS4 GRUPP OÜ | 17357485 |
| RIKS TRANSLOG OÜ | 16041886 |
| RSMS VEOD OÜ | 17389723 |
| GRUDEBARK RIKS OÜ (former name StartBlt OÜ) | 14062223 |
| SKS TEHNIKA OÜ | 10873195 |
| RKS KRISTALL OÜ kustutatud | 10166109 |
| RKS TEENUSED OÜ | 14180603 |
| RKS INVEST OÜ | 10890259 |
| SKS VALDUS OÜ | 14968107 |
| RKS KONSULT OÜ | 17414740 |
| SKS VÕRU OÜ | 10536019 |
| RSS METS OÜ kustutatud (former name V CONSORTIO OÜ) | 12989329 |
| RKS DRIVE OÜ (former name RKS Sushi OÜ) | 12875896 |
| SKS NORDIC OÜ | 14251243 |
| SKS MEDICAL OÜ | 12373798 |
| SKS GRUPP OÜ kustutatud | 14267592 |
| SEPTEMBER & RSS OÜ | 10199304 |
| RKS RACING OÜ | 14756747 |
| SKS TEENUSED OÜ | 14085365 |
| RKS PROJECT OÜ | 14905130 |
| SKS KAUBANDUS OÜ | 12046898 |
| RSS HOLDINGS OÜ | 14387280 |
| RKS GRUPP OÜ | 11628055 |
| SKS MÖÖBEL OÜ | 17089027 |