| Company name | Reg. code |
|---|---|
| SFX OÜ | 14484941 |
| SFXDX OÜ | 14753312 |
| SFXPRO OÜ | 14557545 |
| VFX OÜ | 17180905 |
| SOX OÜ | 17184369 |
| SFC OÜ | 14569695 |
| SFK OÜ | 10217930 |
| SPX OÜ | 14034273 |
| YFX OÜ | 16941986 |
| BFX OÜ | 12220051 |
| 1STX OÜ kustutatud (former name Invest Cloud OÜ) | 14648414 |
| SVX OÜ | 16617240 |
| SFS OÜ | 12501476 |
| SLX OÜ | 17342526 |
| SRX OÜ | 11501359 |
| STAGE SIX OÜ | 17260981 |
| SFB CONSULTING OÜ | 17431394 |
| STX INVEST OÜ | 11108539 |
| SFM BALTIC OÜ kustutatud | 11956196 |
| SIX APPLES OÜ | 10471692 |
| STX HOLDING OÜ | 14028924 |
| SFC HOLDING OÜ | 12785354 |
| SFC CAPITAL OÜ kustutatud | 14037998 |
| SFO SERVICES OÜ | 14510785 |
| SFB BALLET OÜ | 14126213 |
| SFC ALLIANCE OÜ kustutatud | 12926866 |
| STX CONSULTING OÜ | 12650306 |
| SIX TELECOM OÜ | 11405125 |
| SFP CATERING OÜ | 14958037 |
| RFX STEEL OÜ kustutatud | 11546937 |
| VFX TRADING OÜ kustutatud | 12460592 |
| SNX BUILD OÜ | 16642574 |
| SPX COMPANY OÜ | 17174951 |
| AFX GRUPP OÜ kustutatud | 11017185 |
| VISION GFX OÜ kustutatud (former name Vektorio OÜ) | 12830876 |
| SFA GLOBAL OÜ | 14522073 |
| SIX LOGISTICS OÜ kustutatud (former name SIX Logistics UÜ) | 12886776 |
| STFX INVESTMENT OÜ kustutatud | 14212556 |
| SFO HOLDING OÜ kustutatud | 14224424 |
| AFX PROJEKT OÜ kustutatud | 12048236 |
| SFEX TECHNOLOGY OÜ kustutatud | 14803275 |
| JFX TEENUSED OÜ kustutatud (former name Global Trading Group OÜ) | 16121481 |
| BFX MUSIC OÜ kustutatud | 16976909 |
| SFK MC OÜ kustutatud | 14668397 |
| SIX SENSES OÜ | 14003976 |
| SFA LITHUANIA OÜ kustutatud | 14718729 |
| BFX EMBASSY OÜ | 17265568 |
| SFH MANAGEMENT OÜ kustutatud | 12119893 |
| SRX BUILDING OÜ kustutatud | 11642523 |
| ŠFR WOOD OÜ | 16253619 |