| Company name | Reg. code |
|---|---|
| CRBUILDING OÜ | 10350623 |
| MIBUILDING OÜ (former name Devusta OÜ) | 14546145 |
| ERABUILDING OÜ | 14942510 |
| RUBUILDING OÜ | 14332485 |
| DMBUILDING OÜ | 16810439 |
| RLBUILDING OÜ kustutatud | 12373870 |
| DBUILDING OÜ | 14220722 |
| TRANSLAINE CARBUILDING OÜ | 12887862 |
| BUILDING24 OÜ kustutatud | 12372876 |
| BUILDING OÜ kustutatud | 12138844 |
| REBUILDING CO OÜ | 12899230 |
| VR REBUILDING OÜ | 14644860 |
| RVBUILDING & RECRUITMENT OÜ (former name RVConsulting & Recruitment OÜ) | 16197068 |
| MBUILDING GRUPP OÜ | 12313431 |
| BUILDING MASTER OÜ kustutatud | 11345386 |
| BUILDING CONSULTANT OÜ kustutatud | 12669441 |
| REXTER BUILDING OÜ kustutatud (former name Rexter Building UÜ) | 14318616 |
| LUTZ BUILDING OÜ kustutatud | 12628755 |
| ACCEL BUILDING OÜ kustutatud | 12177643 |
| BUILDING CONSULT OÜ kustutatud | 14295648 |
| MIHELIS BUILDING OÜ kustutatud (former name OÜ Diligens) | 12048532 |
| BUILDING FUTURE OÜ | 12031508 |
| NANO BUILDING OÜ | 12489064 |
| PIPES BUILDING OÜ kustutatud | 12046496 |
| BEFORE BUILDING OÜ | 16849619 |
| FIRSTMORE BUILDING OÜ | 12331943 |
| ELFON BUILDING OÜ (former name Elfon Building UÜ) | 14057587 |
| JLR BUILDING OÜ | 14842688 |
| BUILDING-EUROPE OÜ kustutatud (former name Building-Europe UÜ) | 12930655 |
| SUMMERLAND BUILDING OÜ kustutatud | 11545820 |
| ART & BUILDING OÜ | 12808121 |
| BETON BUILDING OÜ | 12857602 |
| ESTFIN BUILDING OÜ kustutatud | 12484345 |
| RAMSIMAR BUILDING OÜ kustutatud | 12500208 |
| BUILDING POWER OÜ kustutatud | 12507922 |
| HALLS BUILDING OÜ kustutatud | 12566801 |
| SCANDIA BUILDING OÜ kustutatud | 12514603 |
| ESPS BUILDING OÜ kustutatud | 12809296 |
| MARTINS BUILDING OÜ | 12744585 |
| IT BUILDING OÜ kustutatud | 14009986 |
| EKÄ BUILDING OÜ kustutatud | 12373539 |
| FLOORMAN BUILDING OÜ kustutatud | 11303962 |
| ORIGINAL BUILDING OÜ | 11976106 |
| AP BUILDING OÜ | 11976796 |
| FIRST BUILDING OÜ kustutatud | 12332049 |
| BUILDING PARTNERS OÜ kustutatud | 12318569 |
| BUILDING TEAM OÜ kustutatud | 12394168 |
| SKROW BUILDING OÜ kustutatud | 10881603 |
| EASTWEST BUILDING OÜ | 11064693 |
| TMA BUILDING OÜ | 12852211 |