| Company name | Reg. code |
|---|---|
| SFC OÜ | 14569695 |
| SFC HOLDING OÜ | 12785354 |
| SFC CAPITAL OÜ kustutatud | 14037998 |
| SFC ALLIANCE OÜ kustutatud | 12926866 |
| SFCC COMPANY OÜ | 17362374 |
| SFCØDE OÜ | 17338364 |
| SRC OÜ | 16882640 |
| SEC OÜ | 12700205 |
| SFK OÜ | 10217930 |
| BFC OÜ | 14026061 |
| AFC OÜ | 16823057 |
| SSC OÜ | 14301107 |
| 1SEC OÜ (former name ListUP OÜ) | 14757994 |
| SRC78 OÜ | 17250474 |
| SHC OÜ (former name SHC UÜ) | 16190020 |
| FSC OÜ kustutatud | 12168360 |
| SFRC OÜ | 12506466 |
| JFC OÜ | 16466433 |
| SKC OÜ kustutatud | 16058533 |
| SFS OÜ | 12501476 |
| SMC OÜ | 11694388 |
| SFX OÜ | 14484941 |
| 5SEC OÜ kustutatud | 12994589 |
| SOC OÜ kustutatud | 14864773 |
| SRC GROUP OÜ (former name Growing Capital OÜ) | 14233630 |
| SOC-PROMOTION OÜ kustutatud | 14786866 |
| SFB CONSULTING OÜ | 17431394 |
| VISIONIST SDC OÜ (former name Robin Trade & Investments OÜ) | 14666576 |
| SGC INNOVATIONS OÜ | 16883869 |
| SFM BALTIC OÜ kustutatud | 11956196 |
| SSC HOLDING OÜ kustutatud | 14778789 |
| SCF CARE OÜ | 11430258 |
| SLC-CONSEIL OÜ | 16390539 |
| 29SEC AGENCY OÜ | 17292366 |
| LEKA SMC OÜ | 12910180 |
| SHC INVEST OÜ | 16280591 |
| SMC GRUPP OÜ | 12374102 |
| MARVEN SEC OÜ kustutatud | 12196505 |
| SFO SERVICES OÜ | 14510785 |
| SCC MOTORS OÜ kustutatud | 16962586 |
| AI4SEC OÜ | 16087345 |
| SFB BALLET OÜ | 14126213 |
| SCC BALTICS OÜ kustutatud | 12153298 |
| SMC AUTOMATION OÜ (former name SMC PNEUMATICS ESTONIA OÜ) | 10745304 |
| SFP CATERING OÜ | 14958037 |
| AICAM SEC OÜ (former name Alveka Grupp OÜ) | 11401435 |
| FFC LOGISTICS OÜ | 11820446 |
| EFC CONSTRUCTION OÜ | 12029730 |
| SC SEC OÜ kustutatud | 14014715 |
| SEC NETWORK OÜ kustutatud | 12702782 |