| Ettevõtte nimi | Reg. kood |
|---|---|
| K-BUILDING OÜ | 14543336 |
| K.R BUILDING OÜ | 14354380 |
| S.K.A BUILDING OÜ kustutatud | 12865082 |
| R&K BUILDING GROUP OÜ | 12574640 |
| O&K BUILDING GROUP OÜ | 12840691 |
| K&K BUILDINGS OÜ | 10953868 |
| KKN BUILDING OÜ | 14681541 |
| KRO BUILDING OÜ | 14703863 |
| KRL BUILDING OÜ (endine nimi KRL Building UÜ) | 14076870 |
| KACS BUILDING OÜ | 12992372 |
| KEMI BUILDING OÜ kustutatud | 12475754 |
| KENT BUILDING OÜ | 14794736 |
| KARIN BUILDING OÜ kustutatud | 12478920 |
| KENNO BUILDING OÜ kustutatud | 12510143 |
| KEMARD BUILDING OÜ | 16776984 |
| KERTEX BUILDING OÜ | 11310956 |
| KRISRAN BUILDING OÜ kustutatud | 11744867 |
| KARTENBEKS BUILDING OÜ kustutatud | 14647314 |
| GARAMBE PARAWOL OÜ (endine nimi Korell Puit OÜ) | 11414176 |
| KEN MARTI TRANSPORT & BUILDING OÜ | 16861193 |
| VILD CARGO OÜ (endine nimi KARAL BUILDING OÜ) | 14132648 |
| SVENRAK OÜ (endine nimi Kaijanen Building OÜ) | 17027747 |
| RINKMANN GRUPP OÜ kustutatud (endine nimi KARAL BUILDING TRADE OÜ) | 14276007 |