| Ettevõtte nimi | Reg. kood |
|---|---|
| P.P BUILDING OÜ | 14013957 |
| P31 OFFICE BUILDING OÜ | 14754642 |
| R.P BUILDING OÜ (endine nimi Proter Ehitus UÜ) | 14670844 |
| PH BUILDING OÜ (endine nimi Grupp OÜ) | 12940435 |
| PKS BUILDING OÜ | 16356147 |
| PRX BUILDING OÜ | 12481714 |
| PIKO BUILDING OÜ | 11219670 |
| PREI BUILDING OÜ kustutatud | 16013329 |
| PRIME BUILDING OÜ kustutatud | 14414426 |
| BUILDING POWER OÜ kustutatud | 12507922 |
| PIPES BUILDING OÜ kustutatud | 12046496 |
| PINTEX BUILDING OÜ | 10671480 |
| PRIKSO BUILDING OÜ (endine nimi WELLIAN BUILDING) | 12252681 |
| PT BUILDING GROUP OÜ kustutatud | 12475292 |
| LAN & PRO BUILDING OÜ kustutatud | 12195463 |
| PRIVATE PROJECT BUILDING OÜ | 10515142 |
| BUILDING PARTNERS OÜ kustutatud | 12318569 |
| EST BUILDING PARTNER OÜ kustutatud | 12072045 |
| PRO ROOFERS BUILDING OÜ | 16245287 |
| PRIMAHOUSE BUILDING OÜ kustutatud | 11162295 |
| GARAMBE PARAWOL OÜ (endine nimi Korell Puit OÜ) | 11414176 |
| MARKOS TEAM OÜ (endine nimi Markie Building OÜ) | 16180317 |
| GARAAZ 32 OÜ (endine nimi Premier Building OÜ) | 12738283 |
| NORKVINK OÜ (endine nimi Power Building Engineering OÜ) | 14165495 |
| GREEN STEEL OÜ (endine nimi OÜ PVV BUILDING) | 12451699 |
| VH PROBUILDER OÜ kustutatud (endine nimi Professional Building OÜ) | 12820062 |
| BUILDINGS & HOLDINGS PROJECT OÜ kustutatud | 11218280 |