| Ettevõtte nimi | Reg. kood |
|---|---|
| PROTECT ESTONIA OÜ | 14929455 |
| STEEL PROTECT COLOR ESTONIA OÜ | 16029164 |
| PROJECT MANAGEMENT ESTONIA OÜ | 14105398 |
| EKTORNET PROJECT ESTONIA I OÜ | 11980266 |
| ROSS ENGINEERING DESIGN PROJECTS ESTONIA OÜ | 16370561 |
| PROTECTPIPE ESTONIA OÜ | 14244935 |
| SPM OÜ kustutatud | 14362988 |