| Company name | Reg. code |
|---|---|
| CGS OÜ | 17404658 |
| CGSTRIVE OÜ | 14879579 |
| VGS OÜ kustutatud | 12214025 |
| VGS OÜ | 16633925 |
| CGH OÜ kustutatud | 12788988 |
| CSS7 OÜ kustutatud | 14225820 |
| CSG OÜ | 14209962 |
| AGS OÜ | 14328543 |
| CWS OÜ | 16400227 |
| MGS1 OÜ | 16158950 |
| 2 CGG OÜ | 14444976 |
| CHS OÜ | 12843034 |
| CSS OÜ kustutatud | 10683951 |
| PGS OÜ | 16373430 |
| CES OÜ kustutatud (former name Aktsiaselts CES) | 11066002 |
| CRS OÜ | 12015395 |
| CGM GRUPP OÜ | 10199876 |
| CGI PROJECT OÜ | 10894903 |
| CFS ADVISORS OÜ kustutatud | 12263451 |
| CES KAUBANDUSE OÜ kustutatud | 10243593 |
| CGT CAPITAL OÜ | 17025352 |
| ROMARIO CRS OÜ | 17304483 |
| CGI EESTI OÜ (former name AS CGI Eesti) | 10006966 |
| CMS HOLDING OÜ kustutatud | 14807901 |
| CAS HOLDING OÜ | 12722684 |
| CMS PRODUCTION OÜ kustutatud | 12627827 |
| CRS CONSULTING OÜ kustutatud | 12046958 |
| BGS10 HOLDING OÜ (former name ScaffUp OÜ) | 14528733 |
| AGS FORSE OÜ | 16538865 |
| CBS INVEST OÜ | 16320161 |
| ESB-PGS OÜ (former name Baltic Generator Service OÜ) | 16671972 |
| CIS EXPORT OÜ | 14452774 |
| AGS INNOVATION OÜ | 16925881 |
| CYCLOPE CBS OÜ kustutatud | 16617139 |
| CCS PLUSS OÜ | 11251875 |
| TRELEX AGS OÜ | 10085291 |
| OGS LABORATORY OÜ kustutatud | 12416835 |
| CDS INTERNATIONAL OÜ | 17019305 |
| CRS INVEST OÜ | 16384586 |
| CCS SYSTEMS OÜ | 10141552 |
| MGS ENERGIA OÜ | 16342814 |
| CDS EUROPE OÜ kustutatud | 12570300 |
| LGS TRADE OÜ | 12558532 |
| VB CMS OÜ kustutatud | 11894532 |
| CPS TECHNOLOGY OÜ kustutatud | 11035875 |
| TGS EESTI OÜ | 14421998 |
| CES FUNDATION OÜ | 16759661 |
| PGS DISAIN OÜ | 16610999 |
| CGB INVESTMENTS OÜ | 12323837 |
| CRS_FX OÜ | 16957237 |