| Company name | Reg. code |
|---|---|
| BUILDIFY OÜ | 16955037 |
| BUILDISH OÜ kustutatud | 16078027 |
| BUILDERY OÜ (former name Trash OÜ) | 14721128 |
| BUILDINGFY OÜ kustutatud | 14679314 |
| BUILDING24 OÜ kustutatud | 12372876 |
| BUILDING OÜ kustutatud | 12138844 |
| BUILDWAY OÜ (former name Bauerberg OÜ) | 11116823 |
| BUILDIKO OÜ | 14602671 |
| BUILDIG OÜ kustutatud | 16078375 |
| 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 |
| WORLDWIDE BUILDING OÜ kustutatud | 11312702 |
| VARMA BUILDING OÜ kustutatud | 12256130 |
| AK BUILDING OÜ | 14641719 |
| ONE BUILDING OÜ | 11940930 |
| AZUR BUILDING OÜ | 14828369 |