| Company name | Reg. code |
|---|---|
| SKC OÜ kustutatud | 16058533 |
| AKC OÜ | 14490462 |
| SKK OÜ kustutatud | 16059633 |
| LKC OÜ | 12807765 |
| SKM OÜ | 12178157 |
| PKC OÜ | 14664117 |
| SFC OÜ | 14569695 |
| SKV OÜ | 14225636 |
| SHC OÜ (former name SHC UÜ) | 16190020 |
| OKC OÜ | 12020255 |
| SKY 7 OÜ | 17148072 |
| 1SEC OÜ (former name ListUP OÜ) | 14757994 |
| SKA OÜ | 12587186 |
| SEC OÜ | 12700205 |
| SKE OÜ | 14117728 |
| SKR OÜ | 12918080 |
| SKT OÜ | 12466583 |
| SKB OÜ | 12365706 |
| MKC OÜ | 12466850 |
| SKY OÜ | 12347648 |
| SMC OÜ | 11694388 |
| 5SEC OÜ kustutatud | 12994589 |
| SOC OÜ kustutatud | 14864773 |
| SKP-SERVICE OÜ kustutatud | 11045879 |
| SOC-PROMOTION OÜ kustutatud | 14786866 |
| SKN PROJEKT OÜ | 12498933 |
| SGC INNOVATIONS OÜ | 16883869 |
| SFC HOLDING OÜ | 12785354 |
| LEKA SMC OÜ | 12910180 |
| KKC TEGEMISED OÜ | 11163840 |
| SKM SAKO OÜ | 11335502 |
| SKA KAPITAL OÜ kustutatud | 12013456 |
| SFC CAPITAL OÜ kustutatud | 14037998 |
| AI4SEC OÜ | 16087345 |
| SKV HALDUS OÜ (former name Vintage Club OÜ) | 12916684 |
| SKE TORUTÖÖD OÜ | 14095961 |
| SKS VALDUS OÜ | 14968107 |
| SKY BUILDERS OÜ | 12184755 |
| SKY BUSINESS OÜ | 16970479 |
| SKS GRUPP OÜ kustutatud | 14267592 |
| SKY-TRADING OÜ | 16226663 |
| SKN EHITUS OÜ | 17222437 |
| SKT DESIGN OÜ | 14507955 |
| SKS TEHNIKA OÜ | 10873195 |
| SLC-CONSEIL OÜ | 16390539 |
| KSC LEGAL OÜ kustutatud | 12198125 |
| SKM INVEST OÜ kustutatud | 12657320 |
| SKY AUTORENT OÜ | 12817350 |
| SHC INVEST OÜ | 16280591 |
| SKY BALTIC OÜ kustutatud | 11098019 |