| Company name | Reg. code |
|---|---|
| SPI50 HOLDING OÜ kustutatud (former name SR Trust OÜ) | 12174975 |
| SPIEGEL HOLDING OÜ kustutatud | 16418285 |
| SLI HOLDING OÜ | 17355990 |
| MPI HOLDING OÜ | 17068479 |
| HPI HOLDING PROJECT INVESTMENTS OÜ kustutatud | 12149345 |
| STABILROAD HOLDING OÜ (former name SPB Holding OÜ) | 12171468 |
| ENUGU ASATA OÜ (former name SPH Housing OÜ) | 10850716 |