| Ettevõtte nimi | Reg. kood |
|---|---|
| SYX OÜ kustutatud | 10098655 |
| SAKUL SYX OÜ | 17383347 |
| SOX OÜ | 17184369 |
| ZYX OÜ | 12603790 |
| SPX OÜ | 14034273 |
| SRX OÜ | 11501359 |
| SVX OÜ | 16617240 |
| SLX OÜ | 17342526 |
| SFX OÜ | 14484941 |
| 1STX OÜ kustutatud (endine nimi Invest Cloud OÜ) | 14648414 |
| 3 SYS OÜ kustutatud | 10893074 |
| SYN10 OÜ kustutatud | 16671156 |
| STAGE SIX OÜ | 17260981 |
| SIX APPLES OÜ | 10471692 |
| STX HOLDING OÜ | 14028924 |
| STX INVEST OÜ (endine nimi KONETEX OÜ) | 11108539 |
| MINETERY SYN OÜ | 16667114 |
| SYD HLDGS OÜ | 17502013 |
| SYS AGENTUUR OÜ | 14968410 |
| STX CONSULTING OÜ | 12650306 |
| SIX SENSES OÜ | 14003976 |
| SYD-WEST OÜ | 10336936 |
| KOVA SYS OÜ | 16443047 |
| EMBD-SYS OÜ | 17143896 |
| SPX COMPANY OÜ | 17174951 |
| HIIU SAX OÜ | 12387211 |
| SYO CARDS OÜ | 17524807 |
| SALV SYN OÜ | 16821093 |
| SYS-LOGISTIC OÜ (endine nimi OÜ Vision Assets) | 11900342 |
| SYS PARTNERS OÜ | 12552518 |
| RECRUITLAB SYN OÜ | 16535418 |
| FLAT SIX OÜ | 17026831 |
| SAX GROUP OÜ | 16260364 |
| SUX PANXZ OÜ (endine nimi OÜ Mõmin) | 14691657 |
| SIX IT OÜ (endine nimi Rüüsöödi Talu OÜ) | 12449981 |
| SRX EHITUS OÜ | 17472200 |
| SAX EHITUS OÜ | 17506123 |
| SMX TRADE OÜ | 11613214 |
| SIX TELECOM OÜ | 11405125 |
| E2SIX OÜ | 17178788 |
| SYK MEDIA OÜ | 16834612 |
| NYX METALLITÖÖD OÜ | 10224054 |
| SNX BUILD OÜ | 16642574 |
| SIX SEASONS OÜ | 16942833 |
| SYS CONSULT OÜ | 12949407 |
| SIX SLIVOVICE OÜ | 12320193 |
| SYM ADS OÜ kustutatud | 14055708 |
| SAX INVEST OÜ kustutatud | 12410849 |
| SAX INVEST OÜ kustutatud | 10557075 |
| SYS WOOD OÜ kustutatud (endine nimi Osaühing Sys Petrol) | 10650236 |