| Company name | Reg. code |
|---|---|
| RSK OÜ kustutatud | 14783945 |
| RSK AGRO OÜ kustutatud | 12368604 |
| RSK PLUSS OÜ kustutatud | 11446012 |
| RSK GROUP OÜ | 14397053 |
| RSK FOOKUS OÜ | 14142703 |
| RSK PROJECT OÜ (former name Rusky Project OÜ) | 11659021 |
| RSK KINNISVARA OÜ | 17134874 |
| RSK INVESTMENTS OÜ | 14846545 |
| RSKS OÜ | 14326892 |
| RSKA OÜ | 14146479 |
| KSK RAK OÜ | 16004773 |
| RSKIKAS OÜ | 17454298 |
| RSKS HOLDING OÜ | 11554150 |
| RSKS MEISTER OÜ | 17078733 |
| RSKT SERVICES OÜ | 14166721 |
| LSK OÜ | 17376519 |
| RHK OÜ | 12142113 |
| RCK OÜ (former name LightingEst OÜ) | 16891722 |
| JSK OÜ kustutatud | 16072774 |
| RISK3 OÜ | 12484902 |
| KSK OÜ kustutatud | 12085390 |
| ÄSK OÜ | 14222218 |
| RKS OÜ | 10773884 |
| RDK OÜ | 16325371 |
| RSC OÜ | 10452447 |
| RISK OÜ | 11556676 |
| RSE OÜ | 14864388 |
| KSK OÜ | 16841428 |
| RRK OÜ | 11035036 |
| RSA2 OÜ | 17177561 |
| RSG OÜ | 12414296 |
| REK OÜ | 16349667 |
| RSI INVEST OÜ | 12626874 |
| RKK STEEL OÜ kustutatud (former name MHO Eesti OÜ) | 11455057 |
| ASK ENTERPRISES OÜ (former name Anouk Knuffmann OÜ) | 16261576 |
| RISK MANAGEMENT OÜ | 10695871 |
| OSK_DIGITAL OÜ | 16498226 |
| RSA CONSULTING OÜ kustutatud | 16862471 |
| ASK&UNDERSTAND OÜ kustutatud | 14645999 |
| RSI OSALUSED OÜ | 17424974 |
| RSA TEENUSED OÜ | 12602661 |
| RISK EXPERTS OÜ | 16316774 |
| RNK CONSULT OÜ (former name MedLegal OÜ) | 16506500 |
| RPK TEED OÜ | 10637690 |
| RKS KONSULT OÜ | 17414740 |
| RKS DRIVE OÜ (former name RKS Sushi OÜ) | 12875896 |
| HSK MEDIA OÜ | 16630393 |
| RISK SECURE OÜ (former name Risk Secure Insurance Broker OÜ) | 16205419 |
| ASK CARL OÜ | 16700120 |
| BSK GAMES OÜ kustutatud (former name InterMassive OÜ) | 12994388 |