| Ettevõtte nimi | Reg. kood |
|---|---|
| SYSTEM SERVICE OÜ kustutatud | 12849901 |
| CAR SERVICE SYSTEM OÜ | 14618726 |
| PIPE SYSTEM SERVICE OÜ | 16649659 |
| SPECIAL SYSTEM SERVICE OÜ kustutatud | 16539296 |
| FIRE SYSTEM SERVICES OÜ kustutatud | 12899129 |
| DYNAMIC SYSTEM SERVICES OÜ | 16831418 |
| SECURITY SYSTEM SERVICES OÜ | 12991361 |
| GEOGRAPHIC INFORMATION SYSTEM BUSINESS EXPANSION SERVICES OÜ kustutatud | 14992330 |
| INTEGRATED SYSTEMS SERVICES (I2S) GROUP OÜ | 14922447 |
| VELARIX MARKETING OÜ | 17156692 |
| ITKEY SYSTEMS OÜ | 12718085 |
| JTSERVICEMAX OÜ | 14007715 |
| KODUKAITSE OÜ | 16846880 |
| LEGRAND ESTONIA OÜ | 11051696 |
| COMPOTEXA OÜ kustutatud | 14444108 |
| FOLORAEST OÜ | 11623201 |