| Company name | Reg. code |
|---|---|
| GRANDBUILD OÜ (former name Grandbuild UÜ) | 14671152 |
| GRANDBUILD OÜ kustutatud | 12054432 |
| GRADEBUILD OÜ kustutatud (former name Gradebuild UÜ) | 12860085 |
| TRANSBUILD OÜ | 11316025 |
| SANDBUILD OÜ kustutatud | 11405094 |
| LANDBUILD INVEST OÜ | 16048523 |
| WISKI SHIPPING OÜ kustutatud (former name GarantBuild OÜ) | 14012550 |
| RAUDNORM OÜ kustutatud (former name GarantBuild OÜ) | 14380584 |