| Company name | Reg. code |
|---|---|
| RSQ OÜ | 11997479 |
| RSQUARE TECHNOLOGIES OÜ | 17435819 |
| RSM OÜ | 11888827 |
| 335RSR OÜ | 17452841 |
| RSW OÜ | 12145755 |
| RQS OÜ kustutatud | 12394139 |
| RSO OÜ | 14019865 |
| RSC OÜ | 10452447 |
| RSK OÜ kustutatud | 14783945 |
| RST OÜ | 14750928 |
| RSE OÜ | 14864388 |
| RSA2 OÜ | 17177561 |
| RSU OÜ (former name COGED OÜ) | 16844585 |
| RESQ OÜ | 14105725 |
| RST10 OÜ | 14021879 |
| RSG OÜ | 12414296 |
| RIQ HOLDINGS OÜ | 16449765 |
| RSI INVEST OÜ | 12626874 |
| RESQ CLUB OÜ | 16507103 |
| RSA CONSULTING OÜ kustutatud | 16862471 |
| RSI OSALUSED OÜ | 17424974 |
| RSA TEENUSED OÜ | 12602661 |
| RST INVEST OÜ | 16266438 |
| RSV HOLDING OÜ | 14135583 |
| RSV GRUPP OÜ | 17405095 |
| RSK PLUSS OÜ kustutatud | 11446012 |
| RST VALGA OÜ | 10288605 |
| RSM INVESTMENTS OÜ (former name Animal Lovers OÜ) | 16127607 |
| RMQ PROJECT OÜ | 14283668 |
| RSH SERVICE OÜ | 16042650 |
| SEPTEMBER & RSS OÜ | 10199304 |
| RSV RESEARCH OÜ | 14002505 |
| NSQ INVEST OÜ kustutatud | 12177560 |
| RSG HOLDING OÜ | 14084650 |
| ASQ NET OÜ (former name Osaühing Asq Net OÜ) | 10619338 |
| RSX KAUBANDUS OÜ kustutatud | 14006227 |
| RSH INVEST OÜ kustutatud | 12395073 |
| RSS METS OÜ kustutatud (former name V CONSORTIO OÜ) | 12989329 |
| RST CONSULT OÜ | 17151393 |
| RST GRUPP OÜ kustutatud | 12114080 |
| RSD OSS OÜ (former name Enzode OÜ) | 16037867 |
| RSP GRUPP OÜ kustutatud | 12173125 |
| RSS HOLDINGS OÜ | 14387280 |
| RSG EST OÜ (former name SlimForm OÜ) | 14383358 |
| INMAR RST OÜ kustutatud | 10304758 |
| RSP GRUPP OÜ | 16674901 |
| RSA GRUPP OÜ kustutatud | 12571073 |
| RSK INVESTMENTS OÜ | 14846545 |
| RST STEEL OÜ kustutatud | 12409450 |
| RTQ CLEANING OÜ kustutatud | 11728294 |